HOME > RACES > RACE CALENDAR > SEARCH RESULTS
Search Results: 1663 Races
REVISE SEARCH| DATE | RACE | LENGTH | LOCATION |
|---|---|---|---|
| 01/01/13 | Brazen New Year's Eve Half marathon/10k/5k2/14/13 | 5K 10K 13.1M | Castro Valley, CA |
| 01/01/13 | Move It & Lose It | 5K | Breckenridge, CO |
| 01/01/13 | Run for Books | 5K 10K | Simi Valley, CA |
| 01/01/13 | New Year's Run for Books | 5K 10K | Simi Valley, CA |
| 01/02/13 | Fleet Feet Sports Snow Cheap Winter Trail Series #2 | 3M | Rochester, NY |
| 01/04/13 | Ragnar Relay Florida Keys | 200M | Miami, FL |
| 01/05/13 | Yankee Springs Winter Challenge | 10K 25K 50K | Middleville, MI |
| 01/05/13 | Frozen Sasquatch | 25K 50K | Charleston, WV |
| 01/05/13 | Harbison 50K | 50K | Columbia, SC |
| 01/05/13 | Watchung Winter Ultra | 10K 13.1M 26.2M 50K | Mountainside, NJ |
| 01/05/13 | Frozen Toe 10K | 10K | Roanoke, VA |
| 01/05/13 | Freezing Cold Hash Run | 3M 5M | Edison, NJ |
| 01/05/13 | Frozen Assets 5K Snowshoe Race | 5K | Canadice, NY |
| 01/05/13 | Crystal Springs Trail Run #1 | 5M 11M 22M 26.2M 50K | Woodside, CA |
| 01/05/13 | King of the Hill Trail Running Series - Mt. Woodson | 3M 7M | Poway, CA |
| 01/05/13 | King of the Hill Trail Running Series (4 Different Peaks) | San Diego, CA | |
| 01/06/13 | XTERRA White Tanks | 8K 20K | Waddell, AZ |
| 01/06/13 | River, Roots & Ruts Trail Run | 5K 13.1M | Alva, FL |
| 01/06/13 | Bogong to Hotham | 64K | Mt Beauty, Australia |
| 01/06/13 | Mt Shasta Snowshoe Race | 5K 10K | Mt Shasta, CA |
| 01/06/13 | XTERRA Boney Mountain Xduro | 6K 21K | Newbury Park, CA |
| 01/06/13 | Beaver Creek Snowshoe Adventure Series #1 | 5K 10K K | Beaver Creek, CO |
| 01/12/13 | XTERRA Alabama Monte Sano Trail Run | 5K 15K | Huntsville, AL |
| 01/12/13 | Morrow Mountain Trail Races | 12K 17K | Albemarle, NC |
| 01/12/13 | NJ Winter Trail Series #3 | 5K 10K 13.1M | Morristown, NJ |
| 01/12/13 | Frost or Frog | 5K 6M 10M | Chico, CA |
| 01/12/13 | Into The Wild Black Star Canyon | 8K | Orange, CA |
| 01/12/13 | Swift Skedaddle Snowshoe Adventure | 5K 10K | Silverthorne, CO |
| 01/12/13 | Savannah Rails to Trails Ultra | 5K 25K 50K | Savannah, GA |
| 01/12/13 | Santa Fe Snowshoe Classic | 3.6M | Santa Fe, NM |
| 01/12/13 | Willis River Trail Run | 35K 50K | Cumberland Courthouse, VA |
| 01/12/13 | Lakeside Trail Race | 8M 15M | Greensboro, NC |
| 01/12/13 | Bandera USA 100K Trail Championship | 25K 50K 100K | Bandera, TX |
| 01/12/13 | Tsali Frosty Foot Fest | 8K 30K 50K | Bryson City, NC |
| 01/12/13 | Bridle Trails Winter Running Festival | 5M 10M 50K 50R | Kirkland, WA |
| 01/12/13 | Resolution Run | 5K | Highland Village, TX |
| 01/12/13 | Country to Capital 45 | 45M | London, United Kingdom |
| 01/13/13 | Vista View 360 | 6H | Davie, FL |
| 01/13/13 | Two Bays Trail Run | 28K 56K | Dromana, Australia |
| 01/13/13 | Hares & Hounds | 30K | Brisbane QLD, Australia |
| 01/13/13 | Frozen Gnome 50K/10K | 10K 50K | Crystal Lake, IL |
| 01/13/13 | Snowdog Events - Winterfest Snowshoe Run | 5K 10K | Lake Chelan, WA |
| 01/16/13 | Fleet Feet Sports Snow Cheap Winter Trail Series #3 | 3M | Rochester, NY |
| 01/19/13 | 24 Hours of HOSTELity | 12H 24H | Dahlonega, GA |
| 01/19/13 | Duel | 13.1M 26.2M 50K | Wichita Falls, TX |
| 01/19/13 | Wilson's Creek Frozen 50K | 10M 20M 50K | Melba, ID |
| 01/19/13 | Charlotte Running Company Trail Race | 4M 9M 13M | Charlotte, NC |
| 01/19/13 | Medved Winter Challenge | 4H | Mendon, NY |
| 01/19/13 | Bigfoot Snowshoe Race | 5K 10K | Traverse City, MI |
| 01/19/13 | Capitol Peak Mega Fat Ass | 17M 34M | Olympia, WA |
| 01/19/13 | Perkinstown Snowshoe Race | 3M 6M | Medford, WI |
| 01/19/13 | Rock Cut Survivor Trail 10K | 10K | Rockford, IL |
| 01/19/13 | Pacifica Foothills | 10K 13.1M 30K 50K | Pacifica, CA |
| 01/19/13 | HURT 100 | 100M | Honolulu, HI |
| 01/19/13 | Long Haul 100 | 100K 100M | Tampa Bay, FL |
| 01/19/13 | Coldwater Rumble | 4M 19K 31K 50K | Goodyear, AZ |
| 01/19/13 | Croesus Crossing | 25K | Greymouth West Coast, New Zealand |
| 01/19/13 | Bruises and Bandages | 5K | Georgetown, TX |
| 01/19/13 | San Diego 50 and Trail Half | 26.2M 50M | San Diego, CA |
| 01/19/13 | Sourdough Snowshoe Race | 11.5K 30K | Ward, CO |
| 01/19/13 | Pangea Resolution AR | 3H 8H | Clermont, FL |
| 01/20/13 | Boulder Lake Snowshoe Race | 4K 8K | Duluth, MN |
| 01/20/13 | Dirty Herd Winter Classic | Grand Rapids, MI | |
| 01/20/13 | Mendon Ponds Winterfest Snowshoe Races | 5K 10K | Rochester, NY |
| 01/20/13 | Wildlands Snowshoe Race | 4.9M | East Orlands, ME |
| 01/20/13 | Ugly Mudder 7 Mile Trail Run | 7M | Reading, PA |
| 01/20/13 | Swampstomper | 25K 50K | Memphis, TN |
| 01/20/13 | Wanderer's Trail Race | 4M | Knoxville, TN |
| 01/26/13 | Mountain in the Middle 12K & 17K | 12K 17K | Columbia, SC |
| 01/26/13 | ERC European Rogaining Championships | 75K | La Llacuna- Barcelona, Spain |
| 01/26/13 | Caladesi Island 10 Mile Discovery Run | 10M | Clearwater, FL |
| 01/26/13 | Phillips Flurry Snowshoe 5k & 10K | 5K 10K | Phillips, WI |
| 01/26/13 | Winter Trail Marathon Full/Half/Quarter | 6.55M 13.1M 26.2M | Indianapolis, IN |
| 01/26/13 | Kahtoola Bigfoot Snowshoe Festival | 5K 10K 25K 26.2M 50K | Midway, UT |
| 01/26/13 | Beast of Burden Winter 100 | 100M 50H | Lockport, NY |
| 01/26/13 | Forge Trail Series - Dirty Soles | 5K 10K 13.1M | Mandeville, LA |
| 01/26/13 | Orcas Island 25K | 25K | Eastsound, WA |
| 01/26/13 | Mountain Mist Trail Run | 50K | Huntsville, AL |
| 01/26/13 | Coyote Hills | 5K 10K 13.1M | Fremont, CA |
| 01/26/13 | Frozen Snot | 12M | Lock Haven, PA |
| 01/26/13 | Sooner State Games Trail Run | 4M 8M 12M | Oklahoma City, OK |
| 01/26/13 | Black Toe Run | 12H 24H | Watertown, TN |
| 01/26/13 | Noquemanon Ski Marathon | 10K 15K | Marquette, MI |
| 01/26/13 | Fox Valley Winter Trail Series #1 | 5K | Geneva, IL |
| 01/27/13 | Frost Giant | 5K 10K | Estes Park, CO |
| 01/27/13 | Dirt Devils Wildhorse Trail Half | 13.1M | Chula Vista, CA |
| 01/27/13 | Psychodelic 5K - Winter Version | 5K | Kansas City, KS |
| 01/27/13 | Florida Challenge | 5K 13.1M | Lithia, FL |
| 01/27/13 | Steep Ravine Trail Run | 7M 13.1M 25K 26.2M 50K | Stinson Beach, CA |
| 01/27/13 | Calico | 30K 50K | Calico Ghost Town, CA |
| 01/27/13 | Belleville Pond Trail Race | 10K | North Kingstown, RI |
| 01/28/13 | Arrowhead 135 | 135M | International Falls, MN |
| 01/30/13 | Fleet Feet Sports Snow Cheap Winter Trail Series #4 | 3M | Rochester, NY |
| 02/02/13 | Sedona Marathon | 5K 13.1M 26M | Sedona, AZ |
| 02/02/13 | Mount Glorious Trail Run | 30K | Brisbane QLD, Australia |
| 02/02/13 | Dirty Spokes - Heritage Park | 4M 8M | Watkinsville, GA |
| 02/02/13 | Cast A Shadow Six Hour Snowshoe Race And Relay | 6H | Chili, NY |
| 02/02/13 | Pilgrim Challenge | 70M | Surrey, United Kingdom |
| 02/02/13 | Snowy Range Snowshoe Races | 5K 10K 25K | Laramie, WY |
| 02/02/13 | Iola Twighlight Snowshoe Race | 5K 10K | Iola, WI |
| 02/02/13 | Racing Gnome Snow Run | 5K 10K | Soda Springs, CA |
| 02/02/13 | ICY-8 Hour Trail Run | 8H | Spotsylvania, VA |
| 02/02/13 | Rocky Raccoon 100 | 50M 100M | Huntsville, TX |
| 02/02/13 | Uwharrie Mountain Run | 8M 20M 40M | Ophir, NC |
| 02/02/13 | Orcas Island 50K | 50K | Eastsound, WA |
| 02/02/13 | San Tan Scramble | 9K 25K 50K | Queen Creek, AZ |
| 02/02/13 | Ray Miller 50/50 | 50K 50M | Point Mugu, CA |
| 02/02/13 | King of the Hill Trail Running Series - Iron Mountain | 3M 6M 11M | Poway, CA |
| 02/02/13 | Fort Ord | 10K 25K 50K | Salinas, CA |
| 02/02/13 | Twin Cities Snowshoe Shuffle | 5K 10K | Minneapolis, MN |
| 02/02/13 | Redstone 5K Snowshoe Race | 5K | Redstone, CO |
| 02/02/13 | Vigor Winter 5k-10k Run or Obstacle Course | 5K 10K | Midway, UT |
| 02/02/13 | Pancake Stampede | 5K | Covington, GA |
| 02/02/13 | Park Run | 5K | Livonia, MI |
| 02/03/13 | XTERRA McDowell Mountain | 7K 15M | Fountain Hills, AZ |
| 02/03/13 | Red Top Rumble | 11.5M | Cartersville, GA |
| 02/03/13 | NJ Winter Trail Series #4 | 5M 10M 15M | Morristown, NJ |
| 02/03/13 | Saratoga Winterfest 5K Snowshoe Run/Walk | 5M | Saratoga Springs, NY |
| 02/03/13 | Mt Shasta Snowshoe Race 2 | 5K 10K | Mt Shasta, CA |
| 02/03/13 | Kahtoola Michigan Mountain Run | 4K 8K | Clarkston, MI |
| 02/03/13 | Lost 118 Mile Endurance Run | 118M | Okeechobee, FL |
| 02/03/13 | XTERRA Mission Gorge Trail Run | 5K 15K | San Diego, CA |
| 02/03/13 | Beaver Creek Snowshoe Adventure Series #2 | 5K 10K K | Beaver Creek, CO |
| 02/03/13 | Natural Bridge Caverns Trail Runs | 5K 10K 13.1M | San Antonio, TX |
| 02/04/13 | Ocean Floor Race | 160M | Cairo, Egypt |
| 02/08/13 | Rouge Orleans Ultramarathon & Team Relay | 126.2M | Baton Rouge, LA |
| 02/09/13 | Love.Run.Marathon | 10K 13.1M 26.2M | Huntsville, TX |
| 02/09/13 | OC Chili Winter Trail Run Series #1 | 5M | Trabuco Canyon, CA |
| 02/09/13 | Camp Saratoga Snowshoe Race | 8K | Wilton, NY |
| 02/09/13 | American Canyon Ultramarathon & Trail Race | 15K 25K 50K | Auburn, CA |
| 02/09/13 | Teva Winter Mountain Games | 5K 10K | Vail, CO |
| 02/09/13 | Big Easy Snowshoe Race | 5K 10K | Frisco, CO |
| 02/09/13 | Delirium Ultra Marathon | 6H 12H 24H | Bluffton, SC |
| 02/09/13 | Psycho Wyco Run Toto Run | 10M 20M 50K | Kansas City, KS |
| 02/09/13 | Paris Mountain Expedition | 5M 10M | Greenville, SC |
| 02/09/13 | Pemberton Trail 50k | 50K 50R | Fountain Hills, AZ |
| 02/09/13 | Creepy Crawlies & Critters | 5K | Buda, TX |
| 02/09/13 | Colyer 'Sno Big Deal | 5.8M | Boalsburg, PA |
| 02/09/13 | Performance Jetty-2-Jetty Ultramarathon and Team Relay | 35M | Atlantic Beach, FL |
| 02/09/13 | X-treme Endurance 10K Run | 10K | Camp Devil Dog, Camp Lejeune, NC |
| 02/09/13 | Snowdog Events - Sun Country Snowshoe Run | 5K 10K | Cle Elum, WA |
| 02/09/13 | Louisville's Lovin' The Hills | 15M 50K | Fairdale, KY |
| 02/09/13 | American Lung Association Snowshoe Shuffle | 5K | Bolton Valley, VT |
| 02/10/13 | Northern Vermont Snowshoe Challenge | 3.5K 8K | Jeffersonville, VT |
| 02/10/13 | Golden Gate #1 | 5M 13.1M 18M 26.2M | Sausalito, CA |
| 02/10/13 | Vail Mountain Winter Uphill | 2.5M | Vail Mountain, CO |
| 02/13/13 | Fleet Feet Sports Snow Cheap Winter Trail Series #5 | 4M | Rochester, NY |
| 02/14/13 | Pangea Sunshine Sea 2 Sea Adventure Race | 72H | Palm Coast, FL |
| 02/14/13 | Ice Ultra | 230K | Lulea, Sweden |
| 02/15/13 | Rovaniemi 150 | 150K | Rovaniemi, Lapland, Finland |
| 02/16/13 | Fuego Y Agua | 25K 50K 100K | Isla de Ometepe, Nicaragua |
| 02/16/13 | Pilot Mountain Payback | 14.5M 26.2M | Pinnacle, NC |
| 02/16/13 | Dirt Devils Gettin Hitched | 5K | San Diego, CA |
| 02/16/13 | Tahquamenon Falls Snowshoe Race | 5K 15K | Paradise, MI |
| 02/16/13 | Hagg Lake Trail Runs | 25K 50K | Gaston, OR |
| 02/16/13 | Everglades Ultras | 25K 50K 50M | Everglades City, FL |
| 02/16/13 | Eagle Endurance Almost 9-Miler Trail Run | 8.9M | Mcclellanville, SC |
| 02/16/13 | Cross Timbers Trail Run | 5M 13.1M 26.2M 50M | Whitesboro, TX |
| 02/16/13 | Moab's Red HOt 55K | 33K 55K | Moab, UT |
| 02/16/13 | Black Warrior Trail Runs | 5M 25K 50K | Moulton, AL |
| 02/16/13 | ZombieRunner San Francisco Run | 10K 13.1M | San Francisco, CA |
| 02/16/13 | Bay Breeze | 5K 10K 13.1M | San Leandro, CA |
| 02/16/13 | 5K Foam Fest Orlando | 5K | St Cloud, FL |
| 02/16/13 | Soboba 5k Trail Race | 5K 10K | San Jacinto, CA |
| 02/16/13 | Rock Cut Winter Survivor | 15K | Rockford, IL |
| 02/16/13 | Rugged Maniac - North Florida | 5K | Waldo, FL |
| 02/17/13 | Bandit Ultra Trail Run | 6K 15K 30K 50K | Simi Valley, CA |
| 02/17/13 | Destin 50 Beach Ultra | 50K 50M 24H | Destin, FL |
| 02/17/13 | Maroondah Dam Trail Runs | 50K 30K | Healesville VIC, Australia |
| 02/17/13 | Flatwoods Ramble | 5K 10K | Tampa, FL |
| 02/17/13 | Fort Ebey Kettles | 10K 13.1M 20M 26.2M | Coupeville, WA |
| 02/17/13 | Fragrance Lake 10k/20k | 10K 20K | Bellingham, WA |
| 02/22/13 | Ragnar Relay Del Som | 200M | Wickenburgh, AZ |
| 02/23/13 | South Mountains Half Marathon Trail Race | 13.1M | Connelly Springs, NC |
| 02/23/13 | Febapple Frozen Fifty | 10M 20M 50K 50M | South Orange, NJ |
| 02/23/13 | XTERRA Georgia Thrill in the Hills | 21K 42K | Winder, GA |
| 02/23/13 | Mad Anthony Mud Run | 4M | Waynesboro, VA |
| 02/23/13 | Blood, Sweat and Beers Day and Moon Light Runs | 10K 13.1M | Boulder City, NV |
| 02/23/13 | Snowshoe The Bear | 5K 10K | Big Bear Lake, CA |
| 02/23/13 | Tule Spring Peacock Run | 6H 12H | Las Vegas, NV |
| 02/23/13 | Chabot Trail Run | 10K 13.1M 30K 50K | Castro Valley, CA |
| 02/23/13 | Mount Mitchell Challenge & Black Mountain Marathon | 26.2M 40M | Black Mountain, NC |
| 02/23/13 | Mount Cheaha 50K | 50K | Delta, AL |
| 02/23/13 | Elephant Mountain | 12K 35K 50K | Cave Creek, AZ |
| 02/23/13 | Extreme North Dakota Iceman Triathlon | Grand Forks, ND | |
| 02/23/13 | Race for RARE | 5K 10K | Gastonia, NC |
| 02/23/13 | Recession Trail Half Marathon | 13.5M | Chesapeake, VA |
| 02/23/13 | Fox Valley Winter Trail Series #2 | 8K | St Charles, IL |
| 02/23/13 | Frozen Frenzy 4 Miler | 4M | Westville, IN |
| 02/24/13 | Chilly Cheeks 7.2M Trail Run | 7.2M | Reading, PA |
| 02/24/13 | Montara Mountain | 10K 13.1M 26.2M 50K | Pacifica, CA |
| 02/24/13 | Lord Hill Winter Run | 5M 10M 20M 50K | Snohomish, WA |
| 02/24/13 | The North Face Dirty Feet Snowshoe Fun Run | 5K 10K | Vernon, BC |
| 02/27/13 | Fleet Feet Sports Snow Cheap Winter Trail Series #6 | 3M | Rochester, NY |
| 03/01/13 | Forge Trail Series - Head Hunter | 5K 10K 13.1M | Baton Rouge, LA |
| 03/02/13 | Mississippi 50 Trail Run | 20K 50K 50M | Laurel, MS |
| 03/02/13 | Patuxent River Trail 10K | 10K | Upper Marlboro, MD |
| 03/02/13 | FFT Post Oak Lodge Challenge | 10K 25K 50K | Tulsa, OK |
| 03/02/13 | Explore Your Limits | 5K 10K | Roanoke, VA |
| 03/02/13 | Hawkeye 50k & 25k | 25K 50K | Solon, IA |
| 03/02/13 | Seneca Creek Trail Marathon and 50k | 26.2M 50K | Giathersburg, MD |
| 03/02/13 | Woodside King's Mountain Half Marathon & 5 Mile | 5M 13.1M | Woodside, CA |
| 03/02/13 | Hellyer Trail Runs | 5K 10K 13.1M | San Jose, CA |
| 03/02/13 | Mrs. Robinson's Romp | 5K 10K | Kansas City, KS |
| 03/02/13 | Nueces USA 50 Mile Trail Championship | 10K 25K 50K 50M | Rock Springs, TX |
| 03/02/13 | Double Top 100 Mile | 4H 100K 100M | Chatsworth, GA |
| 03/02/13 | King of the Hill Trail Running Series - El Cap Mountain | 3M 6M 12M | San Diego, CA |
| 03/02/13 | Pangea BOAR 3Hr Sport and 6Hr Elite AR | 6H | Christmas, FL |
| 03/02/13 | Mountain Marathon & Hillbilly Half | 13.1M 26.2M | Olympia, WA |
| 03/02/13 | Bound the Mound | 5K 10K 13.1M | Evansville, IN |
| 03/02/13 | Rock-Y 5k Trail Run | 5K | Hunt, TX |
| 03/03/13 | Atacama Crossing | 250K | Calama, Chile |
| 03/03/13 | A-OK Trail Race | 25K 50K | Atoka, OK |
| 03/03/13 | Post Oak Lodge Challenge | 6.5M 13.1M 26.2M | Tulsa, OK |
| 03/03/13 | Spring Backyard Burn Trail Running Race #1 | 5M 10M | Clifton, VA |
| 03/03/13 | Beaver Creek Snowshoe Adventure Series #3 | 5K 10K K | Beaver Creek, CO |
| 03/03/13 | Asheville Marathon | 26.2M | Asheville, NC |
| 03/03/13 | Redmond Watershed Preserve Trail Run - March | 5M 10M 13.1M 26.2M | Redmond, WA |
| 03/09/13 | Crazy Desert Trail Race | 131.1M 26.2M 50K | San Angelo, TX |
| 03/09/13 | Dances With Dirt Green Swamp | 10K 13.1M 26.2M 50K 50M R | Dade City, FL |
| 03/09/13 | Land Between The Lakes | 10K 23K 26.2M 60K 50M | Grand Rivers, KY |
| 03/09/13 | Fort Yargo State Park Duathlon | Fort Yargo, GA | |
| 03/09/13 | Romancing The Island | 12K 25K | Tiburon, CA |
| 03/09/13 | Dirty Hurty | 13.1M | Ivins, UT |
| 03/09/13 | Motatapu Off Road Marathon | 15K 42.4K 49K | Wanaka, Central Otago, New Zealand |
| 03/09/13 | Motatapu Miners Trail | 15K | Queenstown, New Zealand |
| 03/09/13 | Green Legs and Hamstrings | 5K 10K 13.1M | Danville, VA |
| 03/09/13 | Moab Spring UFO Trail Run | 5K | Moab, UT |
| 03/09/13 | Moab Dino Duathlon | Moab, UT | |
| 03/09/13 | Roanoke Canal Half Marathon & 8k | 13.1M 8K | Roanoke Rapids, NC |
| 03/09/13 | Bel Monte Endurance Run | 25K 50K 50M | Wintergreen Resort, VA |
| 03/09/13 | Assault on Pine Mountain | 5K 9M | Cartersville, GA |
| 03/09/13 | Way Too Cool 50K Endurance Run | 50K | Cool, CA |
| 03/09/13 | La Jolla Canyon | 5M 11M 30K 26.2M 50K | Malibu, CA |
| 03/09/13 | Run Through Time | 2M 13.1M 26.2M | Salida, CO |
| 03/09/13 | Laurel Run Switchbacker | 10K | Boalsburg, PA |
| 03/09/13 | Lake Sammamish | 13.1M | Redmond, WA |
| 03/09/13 | Qdoba DINO Trail Run - Eagle Creek | 5K 15K | Indianapolis, IN |
| 03/09/13 | Rugged Maniac - South Carolina | 5K | Mt Pleasant, SC |
| 03/09/13 | XTERRA Brandywine Creek | 5K 12K | Wilmington, DE |
| 03/09/13 | Eco-Lonestar Adventure Race | 20M | Dallas, TX |
| 03/09/13 | Forrest Gump Hump 5k | 3.1M | Griffith, IN |
| 03/09/13 | AdventureMax | 13.1M | Insbruck, MI |
| 03/09/13 | Catalina island Conservancy Marathon | 5K 10K 26.2M | Avalon, CA |
| 03/10/13 | Spring Backyard Burn Trail Running Race #2 | 5M 10M | Fairfax Station, VA |
| 03/10/13 | Eco-Lonestar | 5K 15K | Cedar Hills State Park, TX |
| 03/10/13 | Coaster Run | 5K 10K | Buena Park, CA |
| 03/13/13 | El Chupacabra de DFW 5K/10K Night Trail Run | 5K 10K | Grapevine, TX |
| 03/15/13 | Three Days Of Syllamo | 20K 50K 50M | Mountain View, AR |
| 03/15/13 | US National Snowshoe Championships | Bend, OR | |
| 03/16/13 | TNT - Toughest N' Texas | 5M 10M 20M 50K | Waco, TX |
| 03/16/13 | Bar H Boogie Ride & Tie | 10M 20M | Lake Matthews, CA |
| 03/16/13 | OC Chili Winter Trail Run Series #2 | 5M | Trabuco Canyon, CA |
| 03/16/13 | Dirty Spokes - Gainesvile State Park | 2.5M 5.5M | Gainesville, GA |
| 03/16/13 | Chuckanut | 50K | Bellingham, WA |
| 03/16/13 | Tarawera Ultramarathon | 60K 85K 100K | Rotorua, New Zealand |
| 03/16/13 | Roller Coaster Run | 21.5K 43K | Mt. Dandenong, Australia |
| 03/16/13 | Instant Classic Marathon and Trail Half | 26.2M 13.1M | Chesterfield, VA |
| 03/16/13 | Tour De Village - 5K Run Across Carrollwood | 5K | Tampa, FL |
| 03/16/13 | Rodeo Valley | 8K 13.1M 30K 50K | Sausalito, CA |
| 03/16/13 | Georgia Death Race | 60M | Blairesville, GA |
| 03/16/13 | Badger Cove Half Marathon and Trail Races | 5K 10K 13.1K | Livermore, CA |
| 03/16/13 | St Patty's Day Engineer Challenge | 4M | Courthouse Bay, Camp Lejeune, NC |
| 03/16/13 | Extreme North Dakota Sandhills Ultra Run Experience (END-SURE) | 50K | Fargo, ND |
| 03/16/13 | Lantau 50 | 100K | Hong Kong, Hong Kong |
| 03/16/13 | Desafio Del Valle Central | 100K | San Jose, Costa Rica |
| 03/16/13 | Run for Bridges (Wilderness Park) | 6M 13M 26.2M | Lincoln, NE |
| 03/16/13 | Rodeo Valley | 8K 13.1M 30K 50K | Golden Gate National Recreation Area, CA |
| 03/17/13 | Fall Creek Falls 50K & 12 Mile Trail Runs | 13.1M 50K | Pikeville, TN |
| 03/17/13 | Top of the Mountain to Ya | 4M 11K | Danbury, NC |
| 03/17/13 | Celtic Climb at Rocky Peak | 10K | Simi Valley, CA |
| 03/17/13 | Orangeman Running Series - Caspers Wilderness Park Trail Run | 5K 10K | San Juan Capistrano, CA |
| 03/18/13 | Forge Trail Series - Hell's Hills | 5K 10K 13.1M | Ruston, LA |
| 03/22/13 | Antelope Island Buffalo Run | 25K 50K 50M 100M | Syracuse, UT |
| 03/22/13 | USN Jurassic Coast Challenge | 78.6M | Weymouth, United Kingdom |
| 03/23/13 | Moab 100 | 50K 100M | Moab, UT |
| 03/23/13 | Finally Spring 5K | 5K | Manchester, CT |
| 03/23/13 | NJ Ultra Festival | 26.2M 50K 50M 100K 100M | Augusta, NJ |
| 03/23/13 | Grasslands Run | 13.1M 26.2M 50M | Decatur, TX |
| 03/23/13 | Haulin in the Holler | 5K 25K 50K | Eleanor, WV |
| 03/23/13 | Montvale 5 & 10 Mile Trail Races | 5M 10M | Montvale, VA |
| 03/23/13 | Terrapin Mountain 50K & Half Marathon | 13.1M 50K | Bedford, VA |
| 03/23/13 | Trillium Trek | 5K 10K 21K | Gainesville, GA |
| 03/23/13 | Into the Wild OC Trail Run | 10K 21K | Orange, CA |
| 03/23/13 | 24 Hours Of Utah...The Run | 6H 12H 24H 24R | Moab, UT |
| 03/23/13 | Phipps Bend River Run | 11M | Surgoinsville, TN |
| 03/23/13 | Napa Valley Trail Marathon, Half Marathon & 10K | 10K 13.1M 26.2M | Calistoga, CA |
| 03/23/13 | Lake Martin 50 | 50M | Alexander City, AL |
| 03/23/13 | Prairie Spirit Trail 100 & 50 Mile Ultra | 50M 100M | Ottawa, KS |
| 03/23/13 | Mount Tammany 10! | 40M | Delaware Water Gap, NJ |
| 03/23/13 | Sunrise Canyon Ride & Tie | 11M 22M | Kennewick, WA |
| 03/23/13 | Pioneer Saloon Ghost Run Spring | 50K | Good Springs, NV |
| 03/23/13 | No Frills All Thrills | 5M | Brighton, MI |
| 03/23/13 | Rock/Creek River Gorge | 6.5M 10.2M | Chattanooga, TN |
| 03/23/13 | Xterra Hickory Knob | 5K 12K 23K 42K 50K | Mccormick, SC |
| 03/23/13 | Race To The Top | 7.8M 10M | Pickens, SC |
| 03/23/13 | Fort Mountain Challenge | 5M 15K | Chatsworth, GA |
| 03/23/13 | Mesquite Canyon Trail Runs | 8K 13.1M 30K 50K | Waddell, AZ |
| 03/23/13 | Du the Asheville Du | Asheville, NC | |
| 03/23/13 | PALM100 | 100R 100K 50K | Key Largo, FL |
| 03/23/13 | Pangea Treasure Coast AR | 3H 6H | Hobe Sound, FL |
| 03/23/13 | 5K Foam Fest Baton Rouge | 5K | Denham Springs, LA |
| 03/23/13 | Rat Race | 10K 20K | Waretown, NJ |
| 03/23/13 | Gudenaa Trail Challenge | 7075K | Randers, Denmark |
| 03/23/13 | Fox Valley Winter Trail Series #3 | 10K | Geneva, IL |
| 03/23/13 | Old Goats 50 | 50M | Lake Elsinore, CA |
| 03/23/13 | Siver Bow Montessori Spring Fling Fun Run | 1M 5K | Butte, MT |
| 03/23/13 | Recession Half Marathon 2 | 13.5M | Chesapeake, VA |
| 03/24/13 | XTERRA Black Canyon | 9K 13.1M | Black Canyon City, AZ |
| 03/24/13 | Jaimeson Jones Memorial Run | 5K | Kenmore, WA |
| 03/24/13 | Virginia Creeper Marathon | 26.2M | Abingdon, VA |
| 03/24/13 | TARC Spring Thaw | Andover, MA | |
| 03/24/13 | XTERRA Trout Creek Trail Runs | 5K 15K | Tampa, FL |
| 03/24/13 | Canyon Meadow #1 | 5M 13.1M 30K 26.2M 50K | Oakland, CA |
| 03/24/13 | Knickerbocker Canyon | 10K 13.1M 30K | Cool, CA |
| 03/24/13 | Woodside Ramble - Spring Edition | 10K 13.1M 36K 50K | Woodside, CA |
| 03/25/13 | Namib Desert Challenge | 220K | Sossusvlei Desert, Namibia |
| 03/28/13 | REI Muddy Buddy San Jose | 4.5 M | San Jose, CA |
| 03/29/13 | Pickled Feet Runs | 6H 12H 24H 100M | Eagle, ID |
| 03/29/13 | Badger Mountain Challenge | 15K 50K 100M | Richland, WA |
| 03/30/13 | IstraTrek | 12K 25K 55K | Barban, Croatia |
| 03/30/13 | Mt Penn Mudfest 15K Trail Run | 15K | Reading, PA |
| 03/30/13 | Cave Creek Trail Run | 2K 5K 10K | Cave Creek, AZ |
| 03/30/13 | Gorge Waterfalls | 50K | Cascade Locks, OR |
| 03/30/13 | Dash Point | 10K 13.1M 26.2M | Federal Way, WA |
| 03/30/13 | Coyote Cohorts Backbone Trail Ultra | 68M | Malibu, CA |
| 03/30/13 | DINO Trail Run Series - Mounds | 5K 15K | Anderson, IN |
| 03/30/13 | 4 MPH Challenge | H | Redding, CA |
| 03/30/13 | Mile Run Trail Challenge Half Marathon | 13.1M | Mile Run, PA |
| 03/30/13 | Sticks and Bones Trail Race | 5K 10K | Charlotte, NC |
| 03/31/13 | XTERRA Black Mountain Trail Run | 6K 16K | Rancho Penasquito, CA |
| 04/05/13 | Umstead 100 Mile Endurance Run | 50M 100M | Raleigh, NC |
| 04/06/13 | Rockin K Trail Runs | 26.3M 50.6M | Kanopolis State Park, KS |
| 04/06/13 | Dirty Spokes - Olde Rope Mill | 3.1M 6.5M | Woodstock, GA |
| 04/06/13 | Winona Lake Trail Marathon | 6.55M 13.1M 26.2M 50K | Winona Lake, IN |
| 04/06/13 | Lost Brook Trail Race | 5M 10M | Tenafly, NJ |
| 04/06/13 | Tyler Arboretum 10K Trail Run | 10K | Media, PA |
| 04/06/13 | Oriflamme | 50K | Julian, CA |
| 04/06/13 | Golden Gate Headlands Marathon | 7M 13.1M 26.2M | Sausalito, CA |
| 04/06/13 | Cotswolds Way Challenge | 58M | Gloucester, United Kingdom |
| 04/06/13 | Mud & Chocolate Trail Runs #1 | 4.5M 13.1M | Redmond, WA |
| 04/06/13 | Xterra Renegade Off-Road Triathlon | San Dimas, CA | |
| 04/06/13 | Hells Hills | 10K 25K 50K 50M | Smithville, TX |
| 04/06/13 | Brew To Brew 43 Mile Solo & Relay | 44.4M | Kansas City, KS |
| 04/06/13 | Croom Fools Run | 16M 50K 50M | Brooksville, FL |
| 04/06/13 | American River 50 | 50M | Sacramento, CA |
| 04/06/13 | XTERRA Power to the Tower Trail Run | 21K 50K | Kingsport, TN |
| 04/06/13 | XTERRA Cheyenne Mountain Trail Race | 5K 12K 20K | Colorado Springs, CO |
| 04/06/13 | XTERRA Hungry Mother Trail Run | 6M 7.5M | Marion, VA |
| 04/06/13 | XTERRA CMSP | 5K 12K 24K | Colorado Springs, CO |
| 04/06/13 | King of the Hill Trail Running Series - Rabbit Peak | 6M 15M 22M | Borrego Springs, CA |
| 04/06/13 | Zoom Point Pinole 1 | 5K 10K 13.1M | Palo Alto, CA |
| 04/06/13 | Muddy Trails Bash | 5K 10K | The Woodlands, TX |
| 04/06/13 | Renegade Three Mile Trail Run Challenge | 3M | San Dimas, CA |
| 04/06/13 | Renegade Off-Road Triathlon | San Dimas, CA | |
| 04/06/13 | Ni-Bthaska-Ke 12K | 4M 12K | Louisville, NE |
| 04/06/13 | Beech Moutain Goat | 4.7M | Beech Mountain, NC |
| 04/06/13 | XTERRA Seneca Creek | 5K 10K | Gaithersburg, DE |
| 04/06/13 | Habitat Bergen 5k Race to Build | 5K | Harrington Park, NJ |
| 04/06/13 | Crown King Scramble | 50K | Crown King, AZ |
| 04/06/13 | Heritage Adventure Trail Race | 5K 10K | Highlands Ranch, CO |
| 04/06/13 | Dirty Kiln Trail Race | 5M 13.1M | Hollidaysburg, PA |
| 04/06/13 | Biggest Loser RunWalk Off-Road Challenge | Henderson, NV | |
| 04/06/13 | Spartan Kids Race | .5M 1M | Henderson |
| 04/06/13 | 5k Foam Fest San Antonio | 5K | San Antonio, TX |
| 04/07/13 | Trail Less Traveled Trail Runs | 5K 6.55M 15M | Oroville, CA |
| 04/07/13 | Spring Backyard Burn Trail Running Race #3 | 5M 10M | Triangle, VA |
| 04/07/13 | Springfield Urban-Warrior Challenge | 12.4K | Springfield, MO |
| 04/07/13 | Mountains-to-Sea Trail Challenge | 12M 50K | Raleigh, NC |
| 04/07/13 | Bimbler's Bash | 10K | Guilford, CT |
| 04/07/13 | Grizzly Peak | 10K 13.1M 30K 26.2M 50K | Berkeley, CA |
| 04/07/13 | Tussey To Whipple | 11M | Boalsburg, PA |
| 04/07/13 | The Buck Ridge Burn | 5K 13.1M | Gardners, PA |
| 04/07/13 | Towpath Half Marathon | 5M 13.1M | Cuyahoga Hts, OH |
| 04/12/13 | 100 Miles Od Istria | 100K 100M | Umag, Croatia |
| 04/12/13 | Galapagos Running and Sierra Negra Volcano Marathon | 26.2M | Guayaquil, Ecuador |
| 04/12/13 | Zumbro Endurance Run | 17M 50M 100M | Theilman, MN |
| 04/13/13 | OC Chili Winter Trail Run Series #3 | 5M | Orange County, CA |
| 04/13/13 | Babcock Gristmill Grinder | 13.1M | Clifftop, WV |
| 04/13/13 | Dirty Spokes - Heritage Park Off Road Duathlon | Watkinsville, GA | |
| 04/13/13 | Amasa | 6.5M 9.5M 14.5M | Moab, UT |
| 04/13/13 | Cedro Peak Ultra | 45K 45M | Albuquerque, NM |
| 04/13/13 | Mill Mountain Mayhem Trail Race | 10K | Roanoke, VA |
| 04/13/13 | Turtle Trot | 5K | Largo, FL |
| 04/13/13 | Bull Run Run | 50M | Clifton, VA |
| 04/13/13 | Lumberjack Endurance Runs | 50M 100K 100M | Port Gamble, WA |
| 04/13/13 | Muir Woods Marathon | 7M 13.1K 26.2M | Stinson Beach, CA |
| 04/13/13 | Alger Alp 5mi/25k/50k | 5M 25K 50K | Bellingham, WA |
| 04/13/13 | Lake Sonoma 50 | 50M | Healdsburg, CA |
| 04/13/13 | Battle of Allatoona Creek | 5K 9M | Acworth, GA |
| 04/13/13 | Woodside Ramble | 10K 13.1M 35K 50K | Redwood City, CA |
| 04/13/13 | War at Windrock | 50K | Oliver Springs, TN |
| 04/13/13 | Squak Mountain | 12K 13.1M 26.2K 50K | Issaquah, WA |
| 04/13/13 | TARC Don't Run Boston 50 Miler | 50K 50M | Milton, MA |
| 04/13/13 | Rock Creek Ramble Navigation Weekend | 30K 50K 100K | Lamont, WA |
| 04/13/13 | Wild Sebastian 100 | 25M 50M 75M 100M | Fellsmere, FL |
| 04/13/13 | Goodwill Mud Run #1 | 3.5M | Greenville, SC |
| 04/13/13 | Pangea Dixie Conquest Adventure Race | 10H | Green Cove Springs, FL |
| 04/13/13 | 11th Edition of the Goodwill Mud Run presented by St Francis Sports Medicine | 3.5M | Greenville, SC |
| 04/13/13 | OAT Run | 12K 13.1M | Port Angeles, WA |
| 04/13/13 | Griffith Park Trail Marathon | 26.2M | Los Angeles, CA |
| 04/13/13 | Out-Fit Challenge | 7K | Miami, FL |
| 04/13/13 | Kessler's 5-Mile Trail Race | 5 Miles | Lewisberry, PA |
| 04/13/13 | Run For Dreams | 5K | Georgetown, TX |
| 04/14/13 | XTERRA Lake Las Vegas Trail Run | 5K 10K 21K | Henderson, NV |
| 04/14/13 | Peterson Ridge Rumble | 20M 40M | Sisters, OR |
| 04/14/13 | Iola Trail Run | 5K 15K | Iola, WI |
| 04/14/13 | BVA 5k Trail Run | 5K | West Chester, PA |
| 04/14/13 | Chino Hills Trail Run Series | 13.1M 20M | Brea, CA |
| 04/17/13 | Fleet Feet Sports Dirt Cheap Trail Race Series #1 | 6M | Rochester, NY |
| 04/19/13 | Desert RATS Trailrunning Festival | 5M 13.1M 25M 50M | Fruita, CO |
| 04/19/13 | Ragnar Relay So Cal | 200M | Los Angeles, CA |
| 04/19/13 | Zion Ultras | 50M 100M | Springdale, UT |
| 04/19/13 | Midnight Run | 5K | Leawood, KS |
| 04/20/13 | Indiana Trail 100 | 50M 100M | Albion, IN |
| 04/20/13 | Leatherwood Mountains 10 Miler and Ultra | 10M 50K 50M | Fergusun, NC |
| 04/20/13 | Ouachita Trail 50 | 50K 50M | Little Rock, AR |
| 04/20/13 | Dirty Spokes - Runnin The Rocks | 5K 10K | Conyers, GA |
| 04/20/13 | Laurel Run Ascent | 11M | Church Hill, TN |
| 04/20/13 | Muddy Sneaker 20K Trail Run | 20K | Italy, NY |
| 04/20/13 | Hyner View Trail Challenge | 25K 50K | Hyner, PA |
| 04/20/13 | Diablo Trails Challenge | 5K 10K 13.1M 50K | Walnut Creek, CA |
| 04/20/13 | Free State Trail Runs | 13.1M 26.2M 40M 100K | Lawrence, KS |
| 04/20/13 | Iznik Ultramarathon | 75K 130K | Iznik, Turkey |
| 04/20/13 | Escape From Prison Hill Half Marathon (& 2-Person Relay) | 13.1M | Carson City, NV |
| 04/20/13 | Votwo Oner | 78.6M | Weymouth, Dorset, United Kingdom |
| 04/20/13 | Xterra Blue Bonnet Trail Run | 5K 15K | Burnett, TX |
| 04/20/13 | Medoc Spring Races | 7M | Hollister, NC |
| 04/20/13 | Morris Broadband Half Marathon at DuPont Forest | 13.1M | Brevard, NC |
| 04/20/13 | Ayala Cove | 5M 10M 15M | Tiburon, CA |
| 04/20/13 | Monteregio Trail | 15K 20K 45K | Ghemme, Italy |
| 04/20/13 | Mokelumne River Trail Runs | 8M 26.2M 50K 50M | Lake Camanche, CA |
| 04/20/13 | Tehama Wildflowers | 10K 50K 50R | Red Bluff, CA |
| 04/20/13 | Bluebonnet Trail Run | 5K 15K | Burnet, TX |
| 04/20/13 | Chatfield Ultra Racing Events (C.U.R.E) | 20K 50K 50M 100K | Littleton, CO |
| 04/20/13 | Rugged Maniac - North Carolina | 5K | Asheboro, NC |
| 04/20/13 | Blackwater Trail Series - Half Marathon & 5K | 13.1M | Milton, FL |
| 04/20/13 | Pittsburg Wild Half | 5K 10K 13.1M | Pittsburgh, UT |
| 04/20/13 | Ruth Anderson 50K/50M/100K | 50K 50M 100K | San Francisco, CA |
| 04/20/13 | Blankets Creek Dirty Duathlon and Dwelling Dash | 5M D | Woodstock, GA |
| 04/20/13 | Mokelumne River 50M/50K/Marathon/8Mm | 8M 26.2M 50K 50M | Camanche Lake, CA |
| 04/20/13 | 5K Foam Fest - Dallas | 5K | Dallas, TX |
| 04/20/13 | Sierra Vista Trail Runs | 5M 13.1M 26.2M | Las Cruces, NM |
| 04/20/13 | Red Mountain 50K | 13.1M 30K 50K | Ivins, UT |
| 04/20/13 | REI Muddy Buddy Richmond | 4.5 M | Chesterfield, VA |
| 04/21/13 | Dirty Herd Spring Classic Fun Run | 2.5M 5M | Grand Rapids, MI |
| 04/21/13 | Earth Day 50K & Relay | 50K | Crystal Lake, IL |
| 04/21/13 | Leatherman's Loop | 10K | Cross River, NY |
| 04/21/13 | Spring Backyard Burn Trail Running Race #4 | 5M 10M | Lorton, VA |
| 04/21/13 | Spokane River Run | 5K 10K 25K 50K | Spokane, WA |
| 04/21/13 | Yakima Skyline Rim | 25K 50K | Ellensburg, WA |
| 04/21/13 | Elba Trail | 54K | Marciana Marina, Elba, Italy |
| 04/21/13 | Rockin' on the River 5K Run/Walk | 5K | Littleton, CO |
| 04/21/13 | Adrenaline Marathon on the Eisenbahn Trail | 6.55M 13.1M 26.2M | West Bend, WI |
| 04/21/13 | Big Mountain Trail Run | 5K 10K 13.1M | Colorado Springs, CO |
| 04/21/13 | Savage Adventure Race | 10M 20M | Wilmington, DE |
| 04/21/13 | Treehugger 5k | 5K | Owings Mills, MD |
| 04/25/13 | Ethiopian Lakes Trail | 70K | Hawassa, Ehtiopia |
| 04/26/13 | Salt Flats 100 | 100M | Wendover, UT |
| 04/26/13 | Ragnar Relay Utah | 120M | Zion national Park, UT |
| 04/27/13 | Lung Bustin' Justin 5k Trail Run | 5K | Sparta, WI |
| 04/27/13 | Xterra Fairy Stone Trail Race | 4.7M 8M | Stuart, VA |
| 04/27/13 | O24-Outrun 24 Hour Trail Run | 24H | Kirtland, OH |
| 04/27/13 | Apple Hill Blossom Trail Run | 5K 10K 10M | Camino, CA |
| 04/27/13 | Triple Crown Trail Races | 5K 10K 13.1M 26.2M | Newark, DE |
| 04/27/13 | Dirty Vert | 5K | Boulder City, NV |
| 04/27/13 | Trail Marathon Weekend Day 1 | 13.1M | Pinckney, MI |
| 04/27/13 | Capitol Peak Ultramarathons | 55K 50M | Olympia, WA |
| 04/27/13 | FlatRock 101K | 101K | Independence, KS |
| 04/27/13 | Sand Crab Nighttime Beach Run #1 | 5K 10K | South Padre Island, TX |
| 04/27/13 | Gaucho Gallop | 5K 10K | Goleta, CA |
| 04/27/13 | Preseli Beast | 10.5M 23.5M | Pembrokeshire, United Kingdom |
| 04/27/13 | TARC Spring Classic | 10K 13.1M 26.2M 50K | Weston50, MA |
| 04/27/13 | Leona Divide | 30K 50K 50M | Lake Hughes, CA |
| 04/27/13 | Skinnydipper Sun Run | 5K | Decatur, TX |
| 04/27/13 | Zane Grey Highline Trail 50 Mile | 50M | Pine, AZ |
| 04/27/13 | Durty Spur | 10K 30K | Hamilton, TX |
| 04/27/13 | Sandakphu Himalayan Race | 70M | Darjeeling, India |
| 04/27/13 | Xterra Soaring Eagle Park Trail Run | 5M 13.1M | Sammamish, WA |
| 04/27/13 | Extreme North Dakota Spring Primer | 6H | Arvilla, ND |
| 04/27/13 | Weiser River Trail 50K Relay & Solo Run | 50K | Council, ID |
| 04/27/13 | Mud, Sweat and Tears 5 Mile Run | 5M | Stone Bay, Camp Lejeune, NC |
| 04/27/13 | Montagu Mountain Mania | 4K 10K 17K 20K | Montagu, South Africa |
| 04/27/13 | No Frills Ride & Tie | 8M 15M 30M | Star Tannery, VA |
| 04/27/13 | Spartan Race - Indiana | 5K | Indianapolis, IN |
| 04/27/13 | Folsom Lake Trail Series | 10K 13.1M 26.2M 50K | Folsom, CA |
| 04/27/13 | Park to Park Half Marathon | 13.1M | Waynesboro, VA |
| 04/27/13 | Hurt the Dirt | 10K 13.1M 26.2M | Rockford, MI |
| 04/27/13 | Mustang Trail Race | 277K | Jomsom, Nepal |
| 04/27/13 | Seans Run From Austin | 5K 10K | Portland, OR |
| 04/27/13 | San Clemente Trail Run | 5K 10K | San Clemente, CA |
| 04/27/13 | Folsom Lake Trail Run | 10K 13.1M 26.2M 50K | Folsom, CA |
| 04/27/13 | Distress the Dress - Memphis | 5K | Memphis, TN |
| 04/27/13 | Possum Kingdom Trail Run | 20K 55K 52M | Graford, TX |
| 04/27/13 | Smith Rock Ascent | 15M | Terrebonne, OR |
| 04/27/13 | Hillbilly Porkchop Roundup | 5K 10K | Van Buren, AR |
| 04/27/13 | The Sasquatch Scramble | 5K 10K 13.1M | Oakland, CA |
| 04/28/13 | Dirt Devils Foxy Trail Half Marathon | 13.1M | Escondido, CA |
| 04/28/13 | Trail Marathon Weekend Day 2 | 5M 26.2M 50K | Pinckney, MI |
| 04/28/13 | Blue Hills Trail Races | 3M 10M | Milton, MA |
| 04/28/13 | Practice Dipsea | 6.8M | Mill Valley, CA |
| 04/28/13 | Mt Si Relay & Ultra Runs | 50K 50M 59R | Snoqualmie, WA |
| 04/28/13 | The Claw | 5M 15K | Lithia, FL |
| 04/28/13 | Forget The PR, Mohican 25K and 50K | 25K 50K | Loudonville, OH |
| 04/28/13 | Ironmaster's Challenge | 15K 20M 50K | Carlisle, PA |
| 04/28/13 | Maple Syrup Fun Run | Fairbault, MN | |
| 05/02/13 | McNaughton Park Trail Run | 30M 100M 150M 200M 500M | Pittsfield, VT |
| 05/03/13 | Ragnar Relay Cape Cod | 178M 200M | Plymouth, MA |
| 05/04/13 | Greenland Trail Races | 8M 25K 50K | Larkspur, CO |
| 05/04/13 | Salmon Run | 5K 10K | Bend, OR |
| 05/04/13 | 5K Foam Fest Nashville | 5K | Whites Creek, TN |
| 05/04/13 | Farm Park Challenge | 3H 6H | Derwood, MD |
| 05/04/13 | Trail Nut | 10K 13.1M | Bedford, VA |
| 05/04/13 | Collegiate Peaks | 25M 50M | Buena Vista, CO |
| 05/04/13 | Prescott YMCA Whiskey Row Marathon | 2M 10K 13.1M 26.2M | Prescott, AZ |
| 05/04/13 | 7@7 | 1K 5K 7M | Mankato, MN |
| 05/04/13 | Pony Express | 60M | Brockenhurst, United Kingdom |
| 05/04/13 | Run For Kids | 50K 12H | Birmingham, AL |
| 05/04/13 | The North Face | 5K 10K 13.1M 26.2M 50K 50M | Bear Mountain, NY |
| 05/04/13 | 24-Hour Adventure Trail Run | 24H | Triangle, VA |
| 05/04/13 | MASH and Mini MASH Adventure Race | 6H 12H | Madison, WI |
| 05/04/13 | Pandora's Box of Rox | 10K 13.1K 26.2M 50M | Burnet, TX |
| 05/04/13 | XTERRA Big Pocono Trail Run | 5K | Tannersville, PA |
| 05/04/13 | Wambaw Swamp Stomp | 50M | Cordesville, SC |
| 05/04/13 | Western Pacific Marathon | 5K 10K 13.1M 26.2M | Fremont, CA |
| 05/04/13 | Wild Wild West Marathon And Ultra | 26.2M 50K | Lone Pine, CA |
| 05/04/13 | Grand Ridge Trail Run #1 | 5M 13.1M 26.2M 50K | Issaquah, WA |
| 05/04/13 | Purple Cloth | 5K | Cary, NC |
| 05/04/13 | Rugged Maniac - Virginia | 5K | Petersburg, VA |
| 05/05/13 | Medved Madness | 15M | Mendon, NY |
| 05/05/13 | Little Mountain 10k/25k | 10K 25K | Mount Vernon, WA |
| 05/05/13 | Hither Hills Off-Road Half Marathon | 13.1M | Montauk, NY |
| 05/05/13 | The North Face Dirty Feet Kal Park 50 | 8K 25K 50K | Vernon, BC |
| 05/05/13 | Terrapin And The Hare 5k Adventure Race | 5K | Savage, MD |
| 05/05/13 | Greenwood Furnace Trail Challenge | 13.1M | Huntingdon, PA |
| 05/05/13 | Cinco De Mayo Half Marathon & Reaching For The Cure 10K, 5K, & Kids Run/Walk | 5K 10K | Irvine, CA |
| 05/05/13 | Springs Backyard Burn Trail Running Series Race #5 | 5M 10M | Fairfax Station, VA |
| 05/05/13 | Mesa Run | 5K 10M | Golden, CO |
| 05/05/13 | 5 de Mayo 5k | 5K | Fountain Valley, CA |
| 05/05/13 | Louisville Trail Half Marathon 10K | 10K 13.1M | Louisville, CO |
| 05/05/13 | Palm Bluff Trail Race & Ultra : Margaritas & Manure | 12K 13.1M 50K | Palm Bluff Conservation Area, FL |
| 05/07/13 | French Ultra Festival | 26.2M 100K 100M 6H 1224H 4872H | Le Luc-en-Provence(83), France |
| 05/11/13 | Royal Raid | 15K 35K 80K | Cascavelle-Bel Ombre, Mauritius |
| 05/11/13 | Don't Fence Me In Trail Runs | 5K 12K 30K | Helena, MT |
| 05/11/13 | Dirty Spokes - Mt Tabor | 4M 8M | Dallas, GA |
| 05/11/13 | Into The Wildlands Limestone Eco Challenge | 12K 20K | Orange, CA |
| 05/11/13 | Quicksilver | 25K 50K 50M | San Jose, CA |
| 05/11/13 | Capon Valley 50K Run | 50K | Yellow Spring, WV |
| 05/11/13 | PCT 50 Miler | 50M | Campo, CA |
| 05/11/13 | Stateline Woods 9K Trail | 5K 9K | Kennett Square, PA |
| 05/11/13 | Sunflower Marathon and Relay Event | 26.2M | Winthrop, WA |
| 05/11/13 | Yough Xtreme | 5H 10H | Ohiopyle, PA |
| 05/11/13 | Dances With Dirt Gnaw Bone | 10K 13.1M 26.2M 50K 50R 50M | Gnaw Bone, IN |
| 05/11/13 | UltrAspire TerepSzazas | 52K 76K 105K | Budapest, Hungary |
| 05/11/13 | Ice Age Trail | 13.1M 50K 50M | La Grange, WI |
| 05/11/13 | Dark & Dirty NightTime Trail Run | 6.66M | Reading, PA |
| 05/11/13 | Rock-On! Lake Perry | 50K 13.1M 5K | Meriden, KS |
| 05/11/13 | Thoen Stone Seven | 7M | Spearfish, SD |
| 05/11/13 | Wapack and Back | 21M 42M 50M | Ashburnham, MA |
| 05/11/13 | Time Out For Fun | 5K 10K | Dacula, GA |
| 05/11/13 | High Line Canal Trail Run | 5K 10K | Centennial, CO |
| 05/11/13 | Cinderella Trail Run | 10K 13.1M 26.2M 50K | Oakland, CA |
| 05/11/13 | Quad Rock 50 | 25M 50M | Fort Collins, CO |
| 05/11/13 | Whoo's in El Moro | 25K 50K | Newport Beach, CA |
| 05/11/13 | Mud Mountain Melee 8k | 8K | Enumclaw, WA |
| 05/11/13 | Rucky Chucky Roundabout 50K & 50K Relay | 50K | Foresthill, CA |
| 05/11/13 | Wild Boar Run Trail Races | 10K 13.1M | Mill Valley, CA |
| 05/11/13 | Cherokee Five Miler | 5M | Louisville, KY |
| 05/11/13 | Biltmore Ride & Tie | 8M 15M 30M | Ashville, NC |
| 05/11/13 | Beidleheimer Sidewinder | 10K | State College, PA |
| 05/11/13 | Wascally Wabbit | 50K 50M | Tantallon, NS |
| 05/11/13 | Rugged Maniac - Denver | 5K | Lakewood, CO |
| 05/11/13 | Big Cottonwood Canyon 13.1, 10k & 5k by Vigor Utah | 5K 10K 13.1M | Cottonwood Heights City, UT |
| 05/11/13 | Liberty Lake Trail Run | 8M | Liberty Lake, WA |
| 05/11/13 | Race for City Jackson | 3.3M 14.8M 32M | Jackson, GA |
| 05/11/13 | REI Muddy Buddy Austin | 4.5 M | Austin, TX |
| 05/11/13 | TRANSVULCANIA isla de La Palma | 83K | Canary Island, Spain |
| 05/11/13 | Paws for Life May Day Trail 5k | 5K | Chesapeake City, MD |
| 05/11/13 | Gold Rush 100K | 100K | Coloma, CA |
| 05/11/13 | Ultra Miles for Moffitt | 12H | Tampa, FL |
| 05/12/13 | Trail de l'Amethyste | 25M | Sauxillanges, France |
| 05/12/13 | Crazy Legs 10K | 10K | Loveland, CO |
| 05/12/13 | Kassios Dias | 21K | Kassiopi Corfu, Greece |
| 05/15/13 | Fleet Feet Sports Dirt Cheap Trail Race Series #2 | 6M | Rochester, NY |
| 05/15/13 | IRC Mother's Day 5k | 5K | Auburn, WA |
| 05/17/13 | Dominion Riverrock Filthy 5k Mud Run | 5K | Richmond, VA |
| 05/18/13 | Lost Worlds Series: Causeway Crossing | 50K R 100K R | Ireland, Ireland |
| 05/18/13 | Dominion Riverrock James River Scramble | 10K | Richmond, VA |
| 05/18/13 | Dirty Spokes - Lake Allatoona Off Road Duathlon | Acworth, GA | |
| 05/18/13 | Dirty Dog 15K Trail Run | 15K | Charleston, WV |
| 05/18/13 | Watershed Preserve 12 Hour Race | 12H | Redmond, WA |
| 05/18/13 | Superior "Spring" Trail Races | 25K 50K | Lutsen, MN |
| 05/18/13 | Bishop High Sierra Ultra-Marathons | 20M 50K 50M 100K | Bishop, CA |
| 05/18/13 | Odyssey Wild Wonderful 24 Hour AR | 24H | Oak Hill, WV |
| 05/18/13 | Mt Adams Ride & Tie | 12M 25M | Trout Lake, WA |
| 05/18/13 | Camper Scamper 5k | 5K | London, OH |
| 05/18/13 | La Sportiva Vail Boneyard Boogie | 10K | Eagle, CO |
| 05/18/13 | XTERRA Malibu Creek Xduro | 6K 22K | Calabasas, CA |
| 05/18/13 | Massanutten Mountain Trails 100 Mile Run | 100M | Fort Valley, VA |
| 05/18/13 | Scenic City Trail Marathon and Half Marathon | 13.1M 26.2M | Chattanooga, TN |
| 05/18/13 | XTERRA Seven Tubs Trail Run | 5K | Wilkes-Barre, PA |
| 05/18/13 | XTERRA Muleshoe Trail Run | 6K 16K | Spicewood, TX |
| 05/18/13 | Paiute Meadows | 2M 8K | Susanville, CA |
| 05/18/13 | Wildcat | 5K 10K 13.1M | El Sobrante, CA |
| 05/18/13 | Born To Run Ultra Marathons | 10M 50K 100K 100M | Los Olivos, CA |
| 05/18/13 | KEYS100 | 50M 100M R | Key Largo, FL |
| 05/18/13 | Mike the Headless Chicken 5K | 5K 10K | Fruita, CO |
| 05/18/13 | Playin' Possum 50K Trail Run | 50K | Delaware, OH |
| 05/18/13 | Pangea Atomic AR | 5H 30H | Blue Ridge, GA |
| 05/18/13 | Rebel Race: Pennsylvania 5k & 15k Mud Run | 5K 15K | Furlong, PA |
| 05/18/13 | Forge Trail Series - Hell's Hills | 5K 10K 13.1M | Ruston, LA |
| 05/19/13 | Trav's Trail Run | 3M | Newburyport, MA |
| 05/19/13 | XTERRA Oak Mountain Mud Runs | 5K 10K 21K 42K | Pelham, AL |
| 05/19/13 | Ohlone Wilderness 50K Trail Run | 50K | Fremont, CA |
| 05/19/13 | Soapstone Mountain Trail Races | 6K 24K | Stafford Springs, CT |
| 05/19/13 | Sun Mountain | 25K 50K 50M | Winthrop, WA |
| 05/19/13 | Horseshoe Lake | 5M 13.1M 26.2M 50K | Palo Alto, CA |
| 05/23/13 | Pigtails Challenge | 100M 150M 200M | Renton, WA |
| 05/24/13 | Jungle Ultra | 230K | Cuzco, Peru |
| 05/25/13 | Mount Wilson Trail Race | 8.6M | Sierra Madre, CA |
| 05/25/13 | Cottonwood Chaos Day/Night | 10K 13.1M | Las Vegas, NV |
| 05/25/13 | Q50 Costa Rica | 15K 40K 80K | Sarapiqu, Costa Rica |
| 05/25/13 | Sehgahunda Trail Marathon | 26.3M | Rochester, NY |
| 05/25/13 | Garfield Grumble | 5M | Palisade, CO |
| 05/25/13 | Fat Tire Trail Challenge | 10K | Rapid City, SD |
| 05/25/13 | Sutallee Trail Run | 4.5M 10M | Canton, GA |
| 05/25/13 | Soaring Eagle | 5M 10M 26.2M 50K | Sammamish, WA |
| 05/25/13 | Ride the Wind Trail Races | 20M 50M 100M | Las Vegas, NV |
| 05/25/13 | Madeira Island Ultra Trail | 20K 42K 85K 115K | Funchal, Portugal |
| 05/25/13 | Pineland Farms Trail Running Festival | 5K 10K | New Gloucester, ME |
| 05/25/13 | China Camp Trail Run | 5K 10K 13.1M 26.2M | San Rafael, CA |
| 05/25/13 | Memorial Day Marathon Trail Race | 15K | Lenox, MA |
| 05/25/13 | Xterra Lams Pond | 5K 10K | Bear, DE |
| 05/25/13 | Nanny Goat 12/24/100 | 12H 24H | Riverside, CA |
| 05/25/13 | Muddy Mama - Denver | 5K | Denver, CO |
| 05/25/13 | Jemez Mountain Trail Runs | 13.1M 50K 50M | Los Alamos, NM |
| 05/25/13 | Trail 2 Trail Series | 5K 10K 13.1M | Redding, CT |
| 05/26/13 | Dirty German Endurance Fest | 25K 50K 50M | Philadelphia, PA |
| 05/26/13 | Happy Girls Run | 5K 10K | Bend, OR |
| 05/26/13 | Vedauwoo Trail Race | 5K | Laramie, WY |
| 05/26/13 | Medicine Bow Half Marathon | 13.1M | Laramie, WY |
| 05/26/13 | Wyoming Marathon | 26.2M | Laramie, WY |
| 05/26/13 | Rocky Mountain 50K | 50K | Laramie, WY |
| 05/26/13 | Wickham Park Marathon And 50, 100 And 200 Mile Fun Runs | 26.2M 50M 100M 200M | Melbourne, FL |
| 05/26/13 | Dirt Devils Cougar Trail Half Marathon | 13.1M | San Diego, CA |
| 05/26/13 | Charlie Horse Half Marathon | 13.1M | Plowville, PA |
| 05/27/13 | City of Laguna Hills Memoria Day Run | 5K 10K 13.1M | Laguna Hills, CA |
| 05/28/13 | Walk Wag and Run 5K | 5K | Rutland, VT |
| 05/29/13 | Tenzing Hillary Everest Marathon | 26.2M | Kathmandu, Nepal |
| 05/29/13 | EX2 Weeknight Trail Running Series (Race #1) | 5M | Annandale, VA |
| 05/31/13 | Globallimits Bhutan - The Last Secret | 200K | Thimphu, Bhutan |
| 05/31/13 | Bryce 100 Mile | 100K 100M | Bryce Canyon, UT |
| 06/01/13 | Blue Mound Trail Run | 9K 25K | Blue Mounds, WI |
| 06/01/13 | Golden Gate Dirty Thirty | 12M 50K | Black Hawk, CO |
| 06/01/13 | XTERRA Georgia Deep South | 5K 15K | Jackson, GA |
| 06/01/13 | Kettle Moraine 100 Endurance Runs | 38M 100K 100M | Lagrange, WI |
| 06/01/13 | Race To The Top of Bradford | 3.5M | Bradford, VT |
| 06/01/13 | Inca Trail Marathon To Machu Picchu #1 | 26.2M | Cusco, Peru |
| 06/01/13 | Pilot Hill 25K Classic | 25K | Laramie, WY |
| 06/01/13 | Laguna-Cuyamaca 50k | 50K | Mt. Laguna, CA |
| 06/01/13 | Isle of Wight Challenge | 69M | Isle of Wight, United Kingdom |
| 06/01/13 | Rothrock Trail Challenge | 30K | State College, PA |
| 06/01/13 | Bernheim Trail Marathon | 13.1M 26.2M | Louisville, KY |
| 06/01/13 | Lynch Canyon Trail Run | 5K 10K 13.1M | Vallejo, CA |
| 06/01/13 | Buffalo Stampede Trail Run | 5M 14M 19M | Freeport, PA |
| 06/01/13 | Squaw Peak 50 Mile Trail Run | 50M | Provo, UT |
| 06/01/13 | The North Face | 5K 10K 13.1M 26.2M 50K 50M | Sterling, VA |
| 06/01/13 | Mendon Mauler | 4M 8M 12M | Mendon, NY |
| 06/01/13 | Tortoise & Hare Trail Run | 10K | Ithaca, NY |
| 06/01/13 | Turquoise Lake Half Marathon | 20K | Leadville, CO |
| 06/01/13 | Yankee Springs Trail Run | 10K 13.1M 26.2M 52.4M | Middleville, MI |
| 06/01/13 | Pocono XTERRA Hickory Trail Run | 11K | White Haven, PA |
| 06/01/13 | Xterra Jordanelle Trail Run | 5K 10K 21K | Park City, UT |
| 06/01/13 | Pocatello 50 | 50K 50M | Pocatello, ID |
| 06/01/13 | Nitro Trail | 5K 10K 13.1M | Pinole, CA |
| 06/01/13 | Government Peak | 2.75M | Hatcher Pass, AK |
| 06/01/13 | Classic Inca Trail To Machu Picchu #1 | 30K | Cusco, Peru |
| 06/01/13 | Chester Woods Trail Run | 5K 10M 50K | Rochester, MN |
| 06/01/13 | Old Dominion 100 Mile Cross Country Run | 100M | Fort Valley, VA |
| 06/01/13 | Foothills Trail Rainier to Ruston Rail-Trail Ultra | 13.1M 27.7M 50K 50M | South Prairie, WA |
| 06/01/13 | Mojave Death Race | 250M | Primm, NV |
| 06/01/13 | Mayapple 50K and 100K | 10M 20M 50K 100K | Millburn, NJ |
| 06/01/13 | Red Devil Challenge | 10K 25K | Cashmere, WA |
| 06/01/13 | Run For Aurora 50k and 50 Mile | 50K 50M | Roxborough, CO |
| 06/01/13 | Whispering Pines Trail Run | 10M 25K 50K | Tyler, TX |
| 06/01/13 | Mountain to Valley Trail Runs | 4M 10M | Glenwood Springs, CO |
| 06/01/13 | 5k Foam Fest Chicago | 5K | Ottawa, IL |
| 06/01/13 | Moonlight Five | 5M | Springfield, OR |
| 06/01/13 | Rock & Run | 5K | Spencer, IN |
| 06/01/13 | Peak Races Ultra Marathon | 50M | Pittsfield, VT |
| 06/01/13 | Black Mountain Monster | 5K 6H 12H 24H Relay | Black Mountain, NC |
| 06/01/13 | RSD River Ramble | 5K | Rochester, NY |
| 06/01/13 | Miles for Smiles | 5K | Redding, CT |
| 06/02/13 | Gobi March | 250K | Xinjiang Province, China |
| 06/02/13 | Conquer the Cove | 25K 26.2M | Roanoke, VA |
| 06/02/13 | Dirt Devils Coyote Trail Run | 5K | San Diego, CA |
| 06/02/13 | Deadwood Mickelson Trail Marathon | 13.1M 26.2M | Deadwood, SD |
| 06/02/13 | Run For The HIlls | 14M 8K 30K | Corvallis, OR |
| 06/02/13 | North Olympic Discovery Marathon | 5K 10K 13.1M 26.2M | Port Angeles, WA |
| 06/02/13 | Psiloritis Race | 35K | Rethymnon, Greece |
| 06/02/13 | Mt. Macedon Trail Runs | 50K 30K 10K | Macedon VIC, Australia |
| 06/02/13 | Fish Hatchery | 5K | Leadville, CO |
| 06/02/13 | Canyon Meadow #2 | 5M 13.1M 30K 26.2M 50K | Oakland, CA |
| 06/02/13 | Treaster Kettle Test-Your-Mettle | 10.6M | Boalsburg, PA |
| 06/02/13 | The North Face Dirty Feet Trail Series #2 | 5K 10K 13.1M | Kelowna, BC |
| 06/02/13 | Northants Ultra 35 | 35M | Northampton, United Kingdom |
| 06/02/13 | Pine and Cedar Hill Climb | 4.5M | Bellingham, WA |
| 06/02/13 | Cradle Of Liberty Adventure Race | 10M 20M | Philadelphia, PA |
| 06/02/13 | Dirty Girls Run Wild | 6.5M 13.1M | Lakewood, WA |
| 06/02/13 | Hardscrabble Mountain Trail Run | 5K 10K | Westcliffe, CO |
| 06/02/13 | Hook and Ladder Run | 5K 10K | Livermore, CA |
| 06/03/13 | Mount Annapurna Marathon | 26.2M | Pokhara, Kathmandu, Nepal |
| 06/05/13 | EX2 Weeknight Trail Running Series (Race #2) | 5M | Annandale, VA |
| 06/06/13 | Dino Trail Run | 4M | Rapid City, SD |
| 06/07/13 | Ragnar Relay Chicago | 200M | Madison, WI |
| 06/07/13 | Ragnar Trail Appalachians | 120M Relay | Big Bear Lake Camplands, WV |
| 06/08/13 | Lake Youngs Ultra | 28.8M | Renton, WA |
| 06/08/13 | Run for Their Lives - PA | 5K | Lebanon, PA |
| 06/08/13 | Adams Gulch | 4.2M | Ketchum, ID |
| 06/08/13 | Indian/Celina Challenge | 8M 13.1M 26.2M | Leopold, IN |
| 06/08/13 | AMEA Trail Run | 12K | Wilmington, DE |
| 06/08/13 | Flirt with Dirt | 5K 10K | Novi, MI |
| 06/08/13 | XTERRA Richmond Xduro | 10K 21K | Richmond, VA |
| 06/08/13 | Vashon Island Ultramarathon and Trail Run | 10M 50K | Vashon, WA |
| 06/08/13 | Sardine Super Classic Trail Run | 10K 25K 42K | Port Edward, Natal, South Africa |
| 06/08/13 | Laurel Highlands Ultra | 50K 70.5M | Ohiopyle, PA |
| 06/08/13 | Evergreen Mountain | 15K | Evergreen, CO |
| 06/08/13 | San Diego 100 Mile Endurance Run | 100M | Mt. Laguna, CA |
| 06/08/13 | Xterra Moab | 5K | Moab, Ut |
| 06/08/13 | Lake Mingo Trail Run | 7.1M | Danville, IL |
| 06/08/13 | Berry Creek Falls Trail Run | 10K 15K 25K | Boulder Creek, CA |
| 06/08/13 | Scott Cougar Mountain Trail Run Series #2 | 8M 13M | Newcastle, WA |
| 06/08/13 | Run and Ride Ride & Tie | 8M 15M 30M | Missoula, MT |
| 06/08/13 | Cayuga Trails 50 | 50M | Ithaca, NY |
| 06/08/13 | Truckee Trail Running Festival | 5K 10K 13.1M | Truckee, CA |
| 06/08/13 | North Country Trail Relay | 63M | Brethren, MI |
| 06/08/13 | Rugged Maniac - Minneapolis | 5K | Taylor Falls, MN |
| 06/08/13 | Pair Up For Health | 5K | Peoria, IL |
| 06/08/13 | Adrenaline Night Runs | 13K 26K 65K | Fountain Hills, AZ |
| 06/08/13 | Pengelly Double & Single Dip | 10K 13.1M | Missoula, MT |
| 06/08/13 | REI Muddy Buddy Atlanta | 4.5 M | Atlanta, GA |
| 06/08/13 | Dolomit Extreme Trail | 53K | Forno di Zoldo BL, Italy |
| 06/08/13 | Prompton Punisher | 10M 20M 30M | Prompton, PA |
| 06/08/13 | Iron Run | 13.1M | Gardners, PA |
| 06/08/13 | Storm the Dam Trail Run | 5K 10K 13.1M 26.2M | El Dorado, KS |
| 06/08/13 | DomnarskiFarm.com 5k Trail Run | 5K | Palmer, MA |
| 06/08/13 | Howl at the Moon - Night Trial Run | 5K 5.4M | Evansville, IN |
| 06/09/13 | Run the Rockies | 5K 10K | Frisco, CO |
| 06/09/13 | Fountainhead Off-Road Half Marathon and 10K | 10K 13.1M | Fairfax Station, VA |
| 06/09/13 | Dipsea Race | 7.4M | Mill Valley, CA |
| 06/09/13 | Valley Crest Half Marathon | 13.1M | Tarzana, CA |
| 06/09/13 | Teva 10K and Mud Run At Teva Mountain Games | 10K 5K | Vail, CO |
| 06/09/13 | Holcomb Valley | 7M 15M 33M | Big Bear Lake, CA |
| 06/09/13 | Herron Half and 10K | 6M 13.1M | Kalispell, MT |
| 06/09/13 | Big Basin Redwoods | 26.2M 50K | Boulder Creek, CA |
| 06/09/13 | XTERRA Browns Camp | 7.5M | Portland, OR |
| 06/11/13 | Summer Sunset 5K at Pine Hill Park | 5K | Rutland, VT |
| 06/12/13 | Summit Trail Running Series - #1 | 5K 10K | Breckenridge, CO |
| 06/12/13 | Fleet Feet Sports Dirt Cheap Trail Race Series #3 | 4M | Rochester, NY |
| 06/12/13 | EX2 Weeknight Trail Running Series (Race #3) | 5M | Annandale, VA |
| 06/13/13 | FIBArk Tenderfoot Mountain Hill Climb | 1M | Salida, CO |
| 06/14/13 | Chattanooga Mountains Stage Race | 60M | Chattanooga, TN |
| 06/14/13 | Bighorn Trail 100 | 100M | Dayton, WY |
| 06/14/13 | TARC 100 | 50M 100M | Weston, MA |
| 06/15/13 | Park City Trail Series 5K | 5K | Park City, UT |
| 06/15/13 | Turkey Track Trail | 13.1M 26.2M | Pagosa Springs, CO |
| 06/15/13 | SoCal Wine Country Women's Half Marathon | 13.1M | Temecula, CA |
| 06/15/13 | Mohican Trail 100 Mile | 26.2M 50M 100M | Loudonville, OH |
| 06/15/13 | Wahsatch Steeplechase | 17M | Salt Lake City, UT |
| 06/15/13 | OSS/CIA 50M Night Run | 50M | Triangle, VA |
| 06/15/13 | Mt Evans Ascent | 14.5M | Idaho Springs, CO |
| 06/15/13 | Summer Intro Trail Run | 2.8M | Kansas City, KS |
| 06/15/13 | Bighorn Mountain Wild And Scenic Trail Run | 30K 50K 50M | Dayton, WY |
| 06/15/13 | Rope Mill Half Marathon | 5K 13.1M | Woodstock, GA |
| 06/15/13 | XTERRA Earth Conservancy Trail Run | 21K | Mocanaqua, PA |
| 06/15/13 | She Rocks the Trail | 25K 50K | Auburn, CA |
| 06/15/13 | Highlands Sky Trail Run | 40M | Davis, WV |
| 06/15/13 | Trail Quake | 5K 10K 13.1M | Saratoga, CA |
| 06/15/13 | 5k Foam Fest - Pittsburgh | 5K | Pittsburgh, PA |
| 06/15/13 | Evergreen Trail Runs Echo Valley | 10K 13.1M 50K 50M | Chelan, WA |
| 06/15/13 | House Five Miler | 3K 5M | LaGrange, KY |
| 06/15/13 | Llano Estacado Challenge Ride & Tie | 9M 20M | Plum Creek, TX |
| 06/15/13 | Sutalle Trace Trail Challenge | 4.5M 10M | Canton, GA |
| 06/15/13 | Muddy Mama - Boise | 5K | Boise, ID |
| 06/15/13 | Swan Creek Run | 10M 50K | Allegan, MI |
| 06/15/13 | Irvine Trail Half Marathon | 5K 13.1M | Orange, CA |
| 06/15/13 | Butte Burner Charity Runs | Bend, OR | |
| 06/15/13 | Irvine Trail Half Marathon | 13.1M | Orange, CA |
| 06/16/13 | FIBArk Trail Run | 10K | Salida, CO |
| 06/16/13 | Tanglewood Tanglefoot Trail Runs | 10K 20K | Elmira, NY |
| 06/16/13 | Father's Day Run 4 Trails | 5K | Fort Wayne, IN |
| 06/16/13 | Gator Bait Trail Run | 5K 15K | Huntsville, TX |
| 06/16/13 | Beacon Rock | 25K 50K | Bonneville, WA |
| 06/16/13 | Desert R.A.T.S (Race Across The Sand) | 148M | Moab, UT |
| 06/16/13 | Woodminster Cross Country Race | 9M | Oakland, CA |
| 06/16/13 | Robert Spurr Mountain Run | 3M | Bird Ridge, AK |
| 06/16/13 | New Paltz Challenge Half Marathon | 13.1M | New Paltz, NY |
| 06/16/13 | Towpath Ten Ten | 10K 10M | Valley View, OH |
| 06/16/13 | Hell Creek on Heels 5k and 15k | 5K 15K | Wilson, KS |
| 06/18/13 | Tuesday Trails & Tacos | 3M 5M | Trabuco Canyon, CA |
| 06/19/13 | IRC Father's Day 5k | 5K | Auburn, WA |
| 06/20/13 | Renegade Summer Trail Run Series #1 at Peters Canyon | 5M | Tustin, CA |
| 06/20/13 | Ragnar Relay Wasatch Back | 200 Mile Relay | Park City, UT |
| 06/21/13 | Friend2friend Summer Solstice | 5M | Newton, NJ |
| 06/21/13 | Rock The Night Away | 13.1M 10K 5K | Meriden, KS |
| 06/21/13 | Keystone Half Marathon | 5K 10K 13.1M | Keystone, CO |
| 06/22/13 | Dirty Spokes - Haw Creek | 3M 6M | Cumming, GA |
| 06/22/13 | Silver City Endurance Runs | 30K 50K 100K | Silver City, ID |
| 06/22/13 | Manitou's Revenge | 50M R | Windham, NY |
| 06/22/13 | Adrenaline Marathon/Half Marathon on the Eisenbahn Trail | 13.1M 26.2M | Eden, WI |
| 06/22/13 | Wulfman's CDT | 14K | Butte, MT |
| 06/22/13 | San Juan Solstice 50 Mile | 50M | Lake City, CO |
| 06/22/13 | Howelsen 8 Miler | 4M 8M | Steamboat Springs, CO |
| 06/22/13 | Eastern Divide Ultra | 50K | Pembroke, VA |
| 06/22/13 | BAD MARSH NIGHT 50K | 50K | BEAUFORT, SC |
| 06/22/13 | Cape Mt 10 Mile Trail Run | 10M | Florence, OR |
| 06/22/13 | La Sportiva Beaver Creek Summer Solstice | 5K 10K | Beaver Creek, CO |
| 06/22/13 | Leadville Trail Series Running Camps | 15M 26.2M 50M 100M | Leadville, CO |
| 06/22/13 | Capt'n Karl's: Pedernales Falls | 10K 30K 60K | Marble Falls, TX |
| 06/22/13 | Old Gabe | 25K 50K | Bozeman, MT |
| 06/22/13 | Slacker Half Marathon/Relay/4 Mile Races | 4M 13.1M | Georgetown, CO |
| 06/22/13 | Angel Fire Endurance Runs | 50K 50M 100M | Angel Fire, NM |
| 06/22/13 | Xterra Cameron park Trail Run | 6K 21K | Waco, TX |
| 06/22/13 | 5k Foam Fest - Tri State | 3.1M | Englishtown, GA |
| 06/22/13 | San Lorenzo River Trail Run | 10K 13.1M 26.2M 50K | Santa Cruz, CA |
| 06/22/13 | Strawberry Fields Ride & Tie | 25M | Park City, UT |
| 06/22/13 | Marin Ultra Challenge | 50K 50M | Golden Gat eNational Rec Area, CA |
| 06/22/13 | Rebel Race Maryland/DC 5k & 15k Obstacle Run | 3M 9M | Monkton, MD |
| 06/22/13 | XTERRA Big Elk Marathon | 13.1M 26.2M | Elkton, MD |
| 06/22/13 | Big Mountain Adventure Race | 12H | Green Mountain Falls, CO |
| 06/22/13 | Marin Ultra Challenge | 50K 50M | Sausalito, CA |
| 06/22/13 | Crazy Eights - China Gulch | 8K | Stockton, CA |
| 06/22/13 | The Dizzy GOAT | 3H 6H 12H | Schramm Park State Recreation Area, NE |
| 06/22/13 | REI Muddy Buddy Nashville | 4.5 M | Nashville, TN |
| 06/22/13 | Velebit Ultra Trail - Croatia | 15K 30K 45K 100K | National park Paklenica, Croatia |
| 06/22/13 | Awendaw Passage Trail Run | 14K | Charleston, SC |
| 06/22/13 | Gulf Winds Summer Trail Series - Cadillac Trail | 5.5M | Tallahassee, FL |
| 06/22/13 | Moonshine Trail Races | 5K 15K 25K | Redding, CA |
| 06/23/13 | Run For The Ages 10k Trail Chase | 10K | Reading, PA |
| 06/23/13 | Wild West Ride & Tie | 12M 25M | Nevada City, CA |
| 06/23/13 | Waterfall Trail Run | 5K 10K | Lagro, IN |
| 06/23/13 | Burton Creek Trail Run | 5K 10K 13.1M 26.2M | Tahoe City, CA |
| 06/23/13 | Eager Seeger Half Marathon | 13.1M | Boalsburg, PA |
| 06/23/13 | Rattlesnake Ridge | 8M 13M 50K | North Bend, WA |
| 06/23/13 | Hellacious Trail Challenge | 9.2M | Colorado Springs, CO |
| 06/23/13 | Pikes Peak Ultra Trail Run | 10M 60K | Colorado Springs, CO |
| 06/23/13 | Garbry Big Woods Reserve Run | 5K 10K | Pique, OH |
| 06/25/13 | Walk Wag and Run 5K | 5K | Rutland, VT |
| 06/28/13 | The North Face | 118K | Cortina D'Ampezzo, Italy |
| 06/28/13 | Colorado Running Festival | 5K 10K 13.1M 26.2M | Copper Mountain, CO |
| 06/29/13 | Ucare Tri-Loppet | Minneapolis, MN | |
| 06/29/13 | Black Hills 100 | 50M 100K 100M | Sturgis, SD |
| 06/29/13 | Cortina Trail | 46K | Cortina d'Ampezzo (BL), Italy |
| 06/29/13 | Double Dipsea Race | 13.7M | Stinson Beach, CA |
| 06/29/13 | Ultra Alpinemarathon (Veitscher Grenzstaffellauf) | 54K | Veitsch, Austria |
| 06/29/13 | Logan Peak Trail Run | 28M | Logan, UT |
| 06/29/13 | Leadville Trail Marathon & Heavy Half Marathon | 15.5M 26.2M | Leadville, CO |
| 06/29/13 | Western States 100-Mile Endurance Run | 100M | Squaw Valley, CA |
| 06/29/13 | Elk Meadow | 5K 10K | Evergreen, CO |
| 06/29/13 | XTERRA Gouldsboro Trail Run | 13K | Gouldsboro, PA |
| 06/29/13 | Dollar Mountain | 10K | Sun Valley, ID |
| 06/29/13 | Fleet Feet Bonney Lake Matterhorn Madness | 5K | Bonney Lake, WA |
| 06/29/13 | North Fork 50 | 50K 50M | Pine, CO |
| 06/29/13 | Wagon Box Social | 5K 10K 13K | Meeteetse, WY |
| 06/29/13 | Taylor Mountain Trail Run | 5M 13.1M 26.2M 50K | Issaquah, WA |
| 06/29/13 | Old Dominion Ride & Tie | 6M 12M 20M | Orkney Springs, VA |
| 06/29/13 | Snow Tent Ride and Tie | 5M 10M 20M | Nevada City, CA |
| 06/29/13 | Rugged Maniac - New York | 5K | Brooklyn, NY |
| 06/29/13 | Beech Mountain 10k | 10K | Beech Mountain, NC |
| 06/29/13 | Gold Rush 9 Mile Mountain Race and 5k | 5K 9M | Victor, CO |
| 06/29/13 | Winter Park Half Marathon | 13.1M | Winter Park, CO |
| 06/29/13 | Silverton 6/12/24 Hour Run | 6H 12H 24H | Silverton, CO |
| 06/29/13 | Cheyenne Creek Trail Festival | 5K | Hillsboro, WI |
| 06/29/13 | Grand Rapids Urban Adventure Race: Summer Edition | 8M Run 24M Bike 2.5M Canoe | Rockfort, MI |
| 06/29/13 | Jim Bridger Trail Run | 10M | Bozeman, MT |
| 06/30/13 | Run To Squaw | 12K | Tahoe City, CA |
| 06/30/13 | 4th Annual Cape Cod K-9 5k Trail Race | 5K | Falmouth, MA |
| 07/03/13 | Summer Concert 5K @ Keith's II at 15 West Street | 5K | Rutland, VT |
| 07/04/13 | Mount Marathon Race | 1.75K | Seward, AK |
| 07/04/13 | Telluride Rundola | 1M | Telluride, CO |
| 07/04/13 | Run to the Beach | 5K 10K | Kings Beach, CA |
| 07/04/13 | The Central Medical Group Patriot Challenge | 5K 10K | Danville, CA |
| 07/06/13 | Finger Lakes Fifties | 25K 50K 50M | Hector, NY |
| 07/06/13 | Trail Verbier St Bernard | 29K 61K 110K | Verbier, Switzerland |
| 07/06/13 | Rhodes Trail Race | 52K | Rhodes, South Africa |
| 07/06/13 | 24-Hour Run Costa Rica | 24H | San Jose, Costa Rica |
| 07/06/13 | Harding Hustle | 15K 30K 50K | Foothill Ranch, CA |
| 07/06/13 | Afton Trail Run | 25K 50K | Afton State Park, MN |
| 07/06/13 | La Sportiva Vail Hill Climb | 7.5M | Vail, CO |
| 07/06/13 | XTERRA Freedom Fest Trail Run | 5K 10K | Ka'a'awa, Oahu, HI |
| 07/06/13 | 24 Hours Ultra Costa Rica | 6H 12H 24H | San Jose, Santa Ana, Costa Rica |
| 07/06/13 | Thunderbolt Creek 50k and 25k | 25K 50K | Helena, MT |
| 07/06/13 | Dirty Dozen and Half Dozen Endurance Race | 5K 10K 13.1M 26.2M 50K 50M 100K | Pinole, CA |
| 07/06/13 | Park City Mini Trail Series 10K | 10K | Park City, UT |
| 07/06/13 | Distress the Dress - Portland | 5K | Portland, ME |
| 07/06/13 | 4th of July Pass 25k / 5 Mile | 5M 25K | Coeur d'Alene, ID |
| 07/06/13 | Jack Settles Deerfly Stomp | 5K | Stevensville, MI |
| 07/06/13 | XTERRA Forest Park | 10.5M | Portland, OR |
| 07/06/13 | Raidlight Devero Trail | 20K 31K | Alpe Devero - Baceno, Italy |
| 07/06/13 | The Dirty FarmHand Mud Run | 5K | Rush City, MN |
| 07/07/13 | Summer Roundup Trail Run | 12K | Colorado Springs, CO |
| 07/07/13 | Dirt Devils Sidewinder | 10K | San Diego, CA |
| 07/07/13 | Xtreme Dodo Trail | 55K | Flic En Flac, Mauritius |
| 07/07/13 | Double Trouble 15K and 30K Trail Runs | 15K 30K | Birdsboro, PA |
| 07/07/13 | Psychodelic 5K Trail Run - Summer Version | 5K | Kansas City, KS |
| 07/07/13 | XTERRA Harbison Half Marathon Trail Run | 5K 21K | Columbia, SC |
| 07/07/13 | Jennie Hamilton Memorial 5 Miler | Chesterton, IN | |
| 07/08/13 | Al Andalus Ultimate Trail | 230K | Loja, Granada Province, Spain |
| 07/08/13 | Big Red Run | 42K 100K 250K | Birdsville, Australia |
| 07/09/13 | Summer Sunset 5K at Pine Hill Park | 5K | Rutland, VT |
| 07/11/13 | Renegade Summer Trail Run Series - #2 at Peters Canyon | 5M | Tustin, CA |
| 07/12/13 | Equinox Traverse Adventure Race | 46H | Ohiopyle, PA |
| 07/12/13 | Hardrock Hundred | 100M | Silverton, CO |
| 07/13/13 | XTERRA North Carolina Whitewater Center | 3.5M 8.25M | Charlotte, NC |
| 07/13/13 | Brian Waterbury Memorial Rock To Pier Run | 6M 13.1M | Morro Bay, CA |
| 07/13/13 | Cuyamaca 3 Peaks | 50K | Cuyamaca, CA |
| 07/13/13 | Stonewall Peak Half Marathon | 13.1M | Cuyamaca, CA |
| 07/13/13 | Dances With Dirt Devil's Lake | 10K 13.1M 26.2M 50K 50M | Baraboo, WI |
| 07/13/13 | Wild Iris Mountain Run | 5K 10K 21K | Lander, WY |
| 07/13/13 | Psycho Psummer Run Toto Run | 10M 20M 50K | Kansas City, KS |
| 07/13/13 | Happy Jack Relay Races | 24H 12H | Laramie, WY |
| 07/13/13 | Bandit Springs Ride & Tie | 10M 30M 50M | Prineville, OR |
| 07/13/13 | Waugoshance Trail Marathon | 5K 13.1M 26.2M | Cross Village, MI |
| 07/13/13 | Devils Backbone | 25R 50M | Bozeman, MT |
| 07/13/13 | XTERRA Magnolia Hill Trail Run | 6K 16K | Navasota, TX |
| 07/13/13 | Hot Top | 6.2M | Kings Mountain, NC |
| 07/13/13 | Run the Keweenaw | 6K 12K 25K | Copper Harbor, MI |
| 07/13/13 | Mt Disappointment 50K Endurance Race | 50K 50M | Angeles National Forest, CA |
| 07/13/13 | Scott Cougar Mountain Trail Run Series #3 | 10M 20M | Newcastle, WA |
| 07/13/13 | Fort Stanton Ride & Tie | 25M 35M | Capitan, NM |
| 07/13/13 | Otter Creek Eight Miler | 8M | Louisville, KY |
| 07/13/13 | Summer Extravaganza | 5K 10K | Waynesboro, VA |
| 07/13/13 | Troop Trot 39K | 10K 39K | Villa Rica, GA |
| 07/13/13 | Flirt With The Dirt Trail Race | 5K | Findlay, OH |
| 07/13/13 | Rugged Maniac-New Jersey | 5K | Englishtown, NJ |
| 07/13/13 | Mt Hood 50 | 50M | Clackamas Lake, OR |
| 07/13/13 | Eugene Curnow Trail Marathon | 26.2M | Carlton, MN |
| 07/13/13 | Reservoir Dogs Trail Race | 10K 13.1M 35K | Orinda, CA |
| 07/13/13 | Gulf Winds Summer Trail Series - Swamp Forest Trail | 4.5M | Tallahassee, FL |
| 07/13/13 | Run with the Beavers Trail Race | 5M 10M | Chepachet, RI |
| 07/13/13 | Grey Rock Trail Runs | 12K 25K 50K | Yakima, WA |
| 07/14/13 | Spillway Classic Trail Run | 3M | Norco, LA |
| 07/14/13 | XTERRA Beaver Creek Trail Run | 10K 21K | Avon, CO |
| 07/14/13 | XTERRA EX2 Off-Road Triathlon and Duathlon | Flintstone, MD | |
| 07/14/13 | Leadville Silver Rush 50 Trail Run | 50M | Leadville, CO |
| 07/14/13 | Barr Trail Mountain Run | 12.5M | Manitou Springs, CO |
| 07/14/13 | Trail de Pietrosella | 12K 21K | Pietrosella, France |
| 07/14/13 | The North Face Dirty Feet Trail Series #3 | 5K 10K 13.1M | Vernon, BC |
| 07/14/13 | Golden Gate Trail Run | 5M 13.1M 30K 26.2M 50K | Sausalito, CA |
| 07/14/13 | Trakai Triathlon | 1.5lK swim 40K bike 10K run | Trakai, Lithuania |
| 07/16/13 | Wolf Run | 7M | Kingsport, TN |
| 07/16/13 | Fleet Feet Sports Dirt Cheap Trail Race Series #4 | 6M | Rochester, NY |
| 07/17/13 | IRC Mid-Summer 5k | 5K | Auburn, WA |
| 07/19/13 | Ragnar Relay Northwest Passage | 200 Mile Relay | Seattle, WA |
| 07/20/13 | Running With The Devil | 3H 6H 12H | Vernon, NJ |
| 07/20/13 | Vermont 100 Endurance Race | 100K 100M | West Windsor, VT |
| 07/20/13 | Dirty Spokes Sawnee Mountain | 3.5M | Cumming, GA |
| 07/20/13 | Backcountry Run | 8.3M 16.1M | Ketchum, ID |
| 07/20/13 | Chasin For Chalfin | 15K | Coatesville, PA |
| 07/20/13 | Sproul 10K | 10K | Hyner, PA |
| 07/20/13 | Spring Creek Memorial 9 Miler | 5K 9M | Steamboat Springs, CO |
| 07/20/13 | Dirty Burg 50K | 10K 50K R | Belmont, MI |
| 07/20/13 | Kendall Mountain Run | 12M | Silverton, CO |
| 07/20/13 | Capt'n Karl's: Mule Shoe Bend | 10K 30K 60K | Marble Falls, TX |
| 07/20/13 | Tahoe Rim Trail Endurance Runs | 50K 50M 100M | Carson City, NV |
| 07/20/13 | SHATS Trail Series Race #1 | 7.2M | Helena, MT |
| 07/20/13 | Classic 10K Race | 10K | Colorado Springs, CO |
| 07/20/13 | Eiger Ultra Trail | 101K | Grindelwald, Switzerland |
| 07/20/13 | Lagoon Valley Trail Run 1.0 | 5K 10K | Vacaville, CA |
| 07/20/13 | Rugged Maniac-Northern California | 5K | Rancho Murieta, CA |
| 07/20/13 | OSPF Trail Half Marathon | 13.1M | Rochester, NY |
| 07/20/13 | Risnjak Trail | 30K | Crni Lug, Croatia |
| 07/20/13 | Schweitzer Mountain Trail Run | 3.5M 10M | Sandpoint, ID |
| 07/20/13 | 0 SPF Trail 1/2 Marathon | 13.1M | Victor, NY |
| 07/20/13 | Distress the Dress - Corvallis | 5K | Corvallis, OR |
| 07/20/13 | Full Moon 50K | 25K 50K | Perryville, AR |
| 07/20/13 | Rebel Race: New York | 3M 9M | New Windsor, NY |
| 07/20/13 | REI Muddy Buddy Chicago | 4.5 M | Chicago, IL |
| 07/20/13 | West Michigan MudVenture 5k | 5K | Grandville, MI |
| 07/20/13 | Black Diamond Store Hidden Peak Hustle | 5K 10K | Salt Lake City, UT |
| 07/20/13 | The Biggest Loser RunWalk Marseilles 5K Off-Road Challenge | 1M 5K | Marseilles, IL |
| 07/20/13 | Start2Finish Open Water Challenge- Cane Creek | 8K | Waxhaw, NC |
| 07/20/13 | Grin and Bear It | 15K | Crested Butte, CO |
| 07/20/13 | Baltic 100 | 5K 7M | Vilnius, Lithuania |
| 07/20/13 | Summer Runnin' Night Running | 5K 10K | Roseland, VA |
| 07/21/13 | Dirty Herd Summer Classic | 6M | Grand Rapids, MI |
| 07/21/13 | USA Mountain Running Championships | 8K 12K | North Conway, NH |
| 07/21/13 | Rosaryville Trail Runs | 10K 10M 25M 50K | Upper Marlboro, MD |
| 07/21/13 | San Bruno Mountain | 5K 12K | Brisbane, CA |
| 07/21/13 | La Sportiva Vail Half Marathon | 13.1M | Vail, CO |
| 07/21/13 | Forest Frolic | 7K 15K | Virgil, NY |
| 07/21/13 | XTERRA Lord Hill Trail Run | 10K 13.1M | Snohomish, WA |
| 07/21/13 | La Sportiva Table Rock 25K | 25K | Stinson Beach, CA |
| 07/21/13 | La Sportiva Table Rock | 10K 27K | Stinson Beach, CA |
| 07/21/13 | Lost Lake Woods Club Trail Run | 3K 5K | Lincoln, MI |
| 07/23/13 | Tuesday Trails & Tacos | 3M 5M | Trabuco Canyon, CA |
| 07/26/13 | Chiemgauer 100 | 100K 100M | Ruhpolding, Germany |
| 07/26/13 | El Chupacabra de San Antonio 5K/10K | 5K 10K | San Antonio, TX |
| 07/26/13 | Ragnar Trail Tahoe | 120M Relay | Lake Tahoe, CA |
| 07/27/13 | Birkie Trail Paintball Biathlon | 5K 13.1M 26.2M 26.2R | Hayward, WI |
| 07/27/13 | XTERRA North Carolina Beech Mountain | 5K 15K | Beech Mountain, NC |
| 07/27/13 | Dare Devil Dash | 5K | Brown City, MI |
| 07/27/13 | Wakely Dam Ultra | 55K | Piseco Lake, NY |
| 07/27/13 | Blue Crab Bolt 10K Trail Running Series - #1 | 10K | Germantown, MD |
| 07/27/13 | Grand Island Trail Marathon | 13.1M 26.2M | Munising, MI |
| 07/27/13 | White River 50 Mile Endurance Run | 50M | Cougar Mountain, WA |
| 07/27/13 | Mount Falcon | 15K | Evergreen, CO |
| 07/27/13 | Grand Mesa | 100M | Cedaredge, CO |
| 07/27/13 | Speedgoat 50K | 50K | Snowbird, UT |
| 07/27/13 | Siskiyou Out Back Trail Run | 15K 50K | Ashland, OR |
| 07/27/13 | Minnesota Voyageur Trail Ultra | 50M | Carlton, MN |
| 07/27/13 | Crow Peak Ascent | 10K | Spearfish, SD |
| 07/27/13 | Allegheny Front Trail Run | 12M 30M | State College, PA |
| 07/27/13 | Kanawha Trace Trail Run | 50K 10K | Ona, WV |
| 07/27/13 | Snow King HIll Climb | 2.3M | Jackson, WY |
| 07/27/13 | LaSportiva Eldora Trail 10K | 10K | Nederland, CO |
| 07/27/13 | Foothills Rails to Trails Buckley to Orting Half Marathon | 13.1M | South Prairie, WA |
| 07/27/13 | Skunk Hollow Sneaker Chase | 8M 16M | Casper, WY |
| 07/27/13 | Endless Summer 6 Hour Run | 6H | Annapolis, ME |
| 07/27/13 | Bad Bass Half Marathon | 5K 10K 13.1M | Castro Valley, CA |
| 07/27/13 | Living Journeys Half Marathon | 13M | Mt. Crested Butte, CO |
| 07/27/13 | Wildwood Trail Run | 10K 13.1M 26.2M | Portland, OR |
| 07/27/13 | Vertigo Night Runs | 10K 31K 63K | Waddell, AZ |
| 07/27/13 | Muddy Mama - Lake Elsinore | 5K | Lake Elsinore, CA |
| 07/27/13 | The Big 4-0 | 40M | Eau Claire, WI |
| 07/27/13 | Krista Griesacker Memorial Adventure Race | 50M | Hamburg, PA |
| 07/27/13 | Cedar Ridge Trail Run | 18K 36K | Dallas, TX |
| 07/27/13 | Dog Mountain 10K | 10K | Stevenson, WA |
| 07/27/13 | Gulf Winds Summer Trail Series - Magnolia Trail | 3.5M | Tallahassee, FL |
| 07/27/13 | Christmas in July | 6H 12H 24H | Libertyville, IL |
| 07/27/13 | Tomahawk Triathlon | 1K Swim 30K Bike 8K Run | Waxhaw, NC |
| 07/28/13 | Escarpment Trail Run | 30K | Windham, NY |
| 07/28/13 | Chuckanut Mountain 12k/30k | 12K 30K | Bellingham, WA |
| 07/28/13 | You Yangs Trail Runs | .05K 50K 30K 15K 10K | Geelong VIC, Australia |
| 07/28/13 | XTERRA Snow Valley | 10K 21K | Running Springs, CA |
| 07/28/13 | Crazy Eights - Turkey Hill | 8K 13.1M | Stockton, CA |
| 07/28/13 | Hell Creek on Heels 5k and 25k | 5K 25K | Wilson, KS |
| 07/28/13 | Kid’s Cure for Cancer 5K | 5K | Denver, CO |
| 07/28/13 | Stillwater Prairie Reserve | 5K 10K | Covington, Oh |
| 07/30/13 | Walk Wag and Run 5K | 5K | Rutland, VT |
| 07/31/13 | Summit Trail Running Series - #4 | 5K 10K | Breckenridge, CO |
| 08/01/13 | Renegade Summer Trail Run Series - #3 at Peters Canyon | 5M | Tustin, CA |
| 08/01/13 | Elbrus Ultra Trail | 105K | Azau, Russia |
| 08/02/13 | Psych Night Trail Run | 10K 5K | Kansas City, KS |
| 08/02/13 | Mountain Ultra | 220K | Crested Butte, CO |
| 08/03/13 | Chasqui Challenge 100 Mile Multi-Stage Adventure Run | 100M | Cusco, Peru |
| 08/03/13 | Mt Werner Classic | 50K | Steamboat Springs, CO |
| 08/03/13 | Dirty Spokes - Red Top Roaster | 9.9M 3.1M | Cartersville, GA |
| 08/03/13 | Eagle Creek Trail Marathon | 6.55M 13.1M 26.2M | Indianapolis, IN |
| 08/03/13 | Inca Trail Marathon To Machu Picchu #2 | 26.2M | Cusco, Peru |
| 08/03/13 | The Legend | 5M 10M 13.1M | Laingsburg, MI |
| 08/03/13 | Blue Crab Bolt 10K Trail Running Series - #2 | 10K | Germantown, MD |
| 08/03/13 | Nobleman Triathlon | Albion, IN | |
| 08/03/13 | Classic Inca Trail To Machu Picchu #2 | 30K | Cusco, Peru |
| 08/03/13 | Jupiter Peak Steeplechase | 16M | Park City, UT |
| 08/03/13 | Angeles Crest 100 Mile Endurance Run | 100M | Wrightwood, CA |
| 08/03/13 | Wild Idaho 50 Mile/KM Endurance Runs | 50K 50M | Crouch, ID |
| 08/03/13 | Summer Breeze | 5K 10K 13.1M | San Leandro, CA |
| 08/03/13 | Matanuska Peak Challenge | 14M | Palmer, AK |
| 08/03/13 | Round Valley | 5.4M | Greenville, CA |
| 08/03/13 | Grand Ridge Trail Run #2 | 5M 13.1M 26.2M 50K | Issaquah, WA |
| 08/03/13 | Inca Trail To Machu Picchu Running Adventure | 30K | Cusco, Peru |
| 08/03/13 | Top Ten Mile | 10M | Colorado Springs, CO |
| 08/03/13 | Angel Island | 12K 25K | Tiburon, CA |
| 08/03/13 | MD HEAT Race | 25K | Baltimore, MD |
| 08/03/13 | Taos Ski Valley 10K Up And Over Trail Run | 10K | Taos Ski Valley, NM |
| 08/03/13 | HURL Elkhorn Endurance Runs | 13.1M 50K 50M | Montana City, MT |
| 08/03/13 | Elbrus Trail | 30K | Verhnii Baksan, Russia |
| 08/03/13 | Elbrus Mountain Marathon | 42K | Verkhnii Baksan, Russia |
| 08/03/13 | Rugged Maniac - Chicago/Milwaukee | 5K | Wilmot, WI |
| 08/03/13 | 5k Foam Fest - Seattle | 5K | Issaquah, WA |
| 08/03/13 | Planet Adventure Eagle Creek Trail Marathon | 6.55M 13.1M 26.2M | Indianapolis, IN |
| 08/03/13 | Santa Cruz Trail Run | 10K 13.1M 35K 50K | Santa Cruz, CA |
| 08/03/13 | Montana Island Challenge | 5K 9K 15K | Lewistown, MT |
| 08/03/13 | Beast of Big Creek Trail Race | 10K 20K | Hoodsport, WA |
| 08/03/13 | Hot To Trot | 8 hours | Lithia Springs, GA |
| 08/03/13 | Moosalamoo Trail Runs | 14M 36M | Goshen, VT |
| 08/03/13 | San Francisco Endurance Runs | 50M 100M | Ssusalito, CA |
| 08/03/13 | Gulf Winds Summer Trail Series - Redbug Trail | 4.5M | Tallahassee, FL |
| 08/04/13 | RacingThePlanet: Iceland | 250K | Reykjavik, Iceland |
| 08/04/13 | XTERRA Appalachia Adventure Race | 20M | Yellow Creek State Park, PA |
| 08/04/13 | Port Edward Odyssey Adventure Race | Port Edward, Natal, South Africa | |
| 08/04/13 | La Sportiva Vail Berry Picker Trail Runs | 3.2M | Vail, CO |
| 08/04/13 | La Luz Trail Run | 9M | Albuquerque, NM |
| 08/04/13 | Burning River 100 Mile Endurance Run | 100M | Willoughby Hills, OH |
| 08/04/13 | Grings Mill Run | 5K 10K | Reading, PA |
| 08/04/13 | Power of Four Trail 50k | 50K | Aspen, CO |
| 08/04/13 | Devilbend fun run | 5K 10K 21.1K | Devilbend Reservoir, Australia |
| 08/07/13 | Mongolia Sunrise To Sunset | 42K 100K | Lake Hovsgol, Mongolia |
| 08/07/13 | A Midsummer Nights Trail Run | 5M | Cincinnati, OH |
| 08/07/13 | Summer Concert 5K @ Keith's II at 15 West Street | 5K | Rutland, VT |
| 08/08/13 | Forge The Gorgeous | 7M | Moravia, NY |
| 08/09/13 | Swiss Irontrail | 46K 80K 136K 201K | Pontresina, Switzerland |
| 08/10/13 | Wildman Duathlon | Shelburne, NH | |
| 08/10/13 | El Vaquero Loco | 25K 50K | Afton, WY |
| 08/10/13 | Victoria Secret Dirty Half | 13.1M | Rapid City, SD |
| 08/10/13 | Mount Ashland Hill Climb | 13.3M | Ashland, OR |
| 08/10/13 | Hunky Dory Half Marathon | 13.1M | Breckenridge, CO |
| 08/10/13 | Big Brothers Big Sisters of Flagstaff | 5K 13.1M | Flagstaff, AZ |
| 08/10/13 | Santiam Cascade Ride & Tie | 20M 30M | Sisters, OR |
| 08/10/13 | Tahqua Trail Run | 10K 25K | Paradise, MI |
| 08/10/13 | Capt'n Karl's: Colorado Bend | 10K 30K 60K | Lampasas, TX |
| 08/10/13 | Still Hollow Trail Runs | 10K 13.1M | Chattanooga, TN |
| 08/10/13 | Kennebec Mountain Challenge | 14M | Durango, CO |
| 08/10/13 | Howl at the Moon | 8H | Danville, IL |
| 08/10/13 | Bridger Ridge Run | 20M | Bozeman, MT |
| 08/10/13 | Kat'cina Mosa 100K Mountain Callenge Run | 100K | Springville, UT |
| 08/10/13 | Crystal Springs Trail Run #2 | 5M 11M 22M 26.2M 50K | Woodside, CA |
| 08/10/13 | Park City Mini Trail Series 15K | 15K | Park City, UT |
| 08/10/13 | Scott Cougar Mountain Trail Run Series #4 | 13M 20M 50K | Newcastle, WA |
| 08/10/13 | Kenya Highlands Race | 75K | Nanyuki, Kenya |
| 08/10/13 | Hypnosis Night Runs | 15K 31K 62K | Avondale, AZ |
| 08/10/13 | Genoa Peak Completely Madathon and Only Half Madathon | 13.1M 26.2M | Genoa, NV |
| 08/10/13 | 5k Foam Fest - Portland | 5K | Portland, OR |
| 08/10/13 | REI Muddy Buddy Boulder | 4.5 M | Boulder, CA |
| 08/10/13 | Beaver Creek Half Marathon | 10K 13.1M | Avon, CO |
| 08/10/13 | Annihilator 50K | 50K | Connelly Springs, NC |
| 08/10/13 | Wildcat Ridge Romp | 10M, 50K, 50M, 100K | Rockaway, NJ |
| 08/10/13 | CCC Trail Runs | 10M 25K | Umatilla, OR |
| 08/10/13 | Veggie Trail Run #1 | 1M 5K | Rush City, MN |
| 08/10/13 | Zombie Dash-Kalamazoo | 5K | Kalamazoo, MI |
| 08/11/13 | Dirt Devils Stairway to Heaven | 15K | San Diego, CA |
| 08/11/13 | Half-Wit Half Marathon | 13.1M | Reading, PA |
| 08/11/13 | Mud & Chocolate Trail Runs #2 | 4.5M 13.1M | Sammamish, WA |
| 08/11/13 | Leadville Trail 10K | 10K | Leadville, CO |
| 08/11/13 | Angels Staircase | 25K 50K 50M | Carlton, WA |
| 08/11/13 | Hell Creek on Heels 5k and 50k | 5K 50K | Wilson State Park, KS |
| 08/11/13 | XTERRA Hagg Lake | 10K | Portland, OR |
| 08/11/13 | XTERRA Trail Run Oregon Series Championship | 13.1M | Portland, OR |
| 08/11/13 | Haulin Aspen | 13.1M | Bend, OR |
| 08/11/13 | Veggie Trail Run #2 | 13.1M | Rush City, MN |
| 08/13/13 | TransRockies 3-Day or 6-Day Run | 58M 120M | Buena Vista, CO |
| 08/13/13 | Summer Sunset 5K at Pine Hill Park | 5K | Rutland, VT |
| 08/14/13 | Summit Trail Running Series - #5 | 5K 10K | Breckenridge, CO |
| 08/15/13 | Into The Wild Rockin Summer Run #1 | 8K | Orange, CA |
| 08/15/13 | Trail de Porticcio | 12K 21K | Porticcio, France |
| 08/15/13 | Official 26.2 Mile Inca Trail Marathon | 26.2M | Cusco, Peru |
| 08/16/13 | TransScania | 246K 60H | Lund, Sweden |
| 08/16/13 | Ragnar Relay Great River | 200 Mile Relay | Minneapolis, MN |
| 08/17/13 | Fab 5K | 5K | Salem, VA |
| 08/17/13 | Shop To The Top Run | 5M 6M | Ketchum, ID |
| 08/17/13 | Pikes Peak Ascent | 13.32M | Manitou Springs, CO |
| 08/17/13 | Lionheart | 25H | Ohiopyle, PA |
| 08/17/13 | Waldo 100K | 100K | Oakridge, OR |
| 08/17/13 | Blue Crab Bolt 10K Trail Running Series - #3 | 10K | Clarksburg, MD |
| 08/17/13 | River Valley Run 10K Trail Run | 10K | Manchester, MD |
| 08/17/13 | TARC Summer Classic | 50K 1250M | Medfield, MA |
| 08/17/13 | Leadville Trail 100 Run | 100M | Leadville, CO |
| 08/17/13 | XTERRA Table Rock 15K | 6K 15K | Pickens, SC |
| 08/17/13 | Bear Creek | 5K 10K 13.1M | Martinez, CA |
| 08/17/13 | Alyeska Mountain Run | 2K | Girdwood, AK |
| 08/17/13 | Mountainman | 21.1K 42.2K 80K | Engelberg, Switzerland |
| 08/17/13 | Ponderosa Hustle | 5K 10K | Flagstaff, AZ |
| 08/17/13 | Bernheim Seven Miler | 7M | Louisville, KY |
| 08/17/13 | Run For Hunger Trail Challenge | 2M 8K 13.1M | Freeport, PA |
| 08/17/13 | Rugged Maniac-Atlanta | 5K | Conyers, GA |
| 08/17/13 | Muddy Mama - Roseville | 5K | Roseville, CA |
| 08/17/13 | Hamster Endurance Runs | 12H 24H | Bellingham, WA |
| 08/17/13 | Rebel Race: Massachusetts | 3M 9M | Rehoboth, MA |
| 08/17/13 | Forge Trail Series - Furtive | 5K 10K 13.1M | Lafayette, LA |
| 08/17/13 | Zoom Castle Rock Run | 5K 10K 13.1M | Walnut Creek, CA |
| 08/17/13 | MVP Health Care Bitter Pill Adventure Race | 12H | Williston, VT |
| 08/17/13 | The River Run | 10M | West Lafayette, IN |
| 08/17/13 | Don't be a Turkey FUNdraiser Rogaine | Pagosa Springs, CO, 3H 6H | |
| 08/17/13 | Springmaid Summer Splash | 5K 10K | Spruce Pine, NC |
| 08/17/13 | The Dirty FarmHand Mud Run #2 | 5K | Rush City, MN |
| 08/18/13 | Pikes Peak Marathon | 26.21M | Manitou Springs, CO |
| 08/18/13 | Run On The Sly | 12K 13.1M 20M 50K | Pollock Pines, CA |
| 08/18/13 | Cinderella Trail Run #2 | 10K 13.1M 30K 26.2M 50K | Oakland, CA |
| 08/18/13 | Catharine Valley Half | 13.1M | Watkins Glen, NY |
| 08/18/13 | Hampshire 100 Ultra Trail Runj | 100K | Greenfield, NH |
| 08/18/13 | Hell Creek on Heels 5k and 10k | 5K 10K | Wilson, KS |
| 08/18/13 | REI Muddy Buddy Seatle | 4.5 M | Seattle, WA |
| 08/18/13 | The Dirty FarmHand Mud Run #3 | 5K | Rush City, MN |
| 08/18/13 | Charleston Falls Preserve Run | 5K | Tipp City, OH |
| 08/20/13 | Tuesday Trails & Tacos | 3M 5M | Trabuco Canyon, CA |
| 08/21/13 | Fleet Feet Sports Dirt Cheap Trail Race Series #5 | 6M | Rochester, NY |
| 08/22/13 | Into The Wild Rockin Summer Run #2 | 8K | Orange, CA |
| 08/23/13 | SHATS Trail Series Race #3 | 3.2M | Helena, MT |
| 08/23/13 | Ghosts of Yellowstone 100M | 100M | Pony, MT |
| 08/24/13 | Mount Cuckoo 15K & 30K | 15K 30K | Adamstown, PA |
| 08/24/13 | Powell Stackhouse Park Run | 5K 10K | |
| 08/24/13 | Cutthroat Classic | 11.1M | Winthrop, WA |
| 08/24/13 | Mountain Chili Cha Cha | 5K 10K 13.1M | Pagosa Springs, CO |
| 08/24/13 | Continental Divide Trail Run | 15M | Steamboat Springs, CO |
| 08/24/13 | World Ride & Tie Championship | 20M 35M | Fort Bragg, CA |
| 08/24/13 | Dwight Dash | 5K 10K | Spokane, WA |
| 08/24/13 | She Rocks the Trails - Boston | 25K 50K | Milton, MA |
| 08/24/13 | Bulldog Ultra Trail Runs | 25K 50K | Calabasas, CA |
| 08/24/13 | Bergen Peak Trail Race | 13.1M | Evergreen, CO |
| 08/24/13 | Lean Horse Ultra | 50K 50M 100M | Hot Springs, SD |
| 08/24/13 | Silverton Alpine Marathon & 50K | 26.2M 50K | Silverton, CO |
| 08/24/13 | Bill Flodberg Mount Madonna Challenge | 6K 12K 18K 30K | Gilroy, CA |
| 08/24/13 | Redmond Watershed Preserve Trail Run - August | 5M 10M 13.1M 26.2M | Redmond, WA |
| 08/24/13 | Extreme North Dakota Adventure Race | 24H | Walhalla, ND |
| 08/24/13 | Dam Scramble Trail Event | 10M 20M | Curnwensville, PA |
| 08/24/13 | Lagoon Valley Trail Run 2.0 | 5K 10K | Vacaville, CA |
| 08/24/13 | DINO Trail Run Series- SouthWestway | 5K 15K | Indianapolis, IN |
| 08/24/13 | Fool's Gold 50M | 50M | Pony, MT |
| 08/24/13 | St. Paul Urban Trail Marathon | 10k 13.1M 26.2M | St Paul, MN |
| 08/24/13 | QMan Classic Memorial Run | 5K | Highlands Ranch, CO |
| 08/24/13 | Headwaters Ultra | 10K 50K | Mt Shasta, CA |
| 08/24/13 | Parkland Pace or Race | 5K | Tacoma, WA |
| 08/24/13 | The Great Grape Race at Elk Run | 5K | Mt Airy, MD |
| 08/25/13 | La Sportiva Vail 10K at 10,000 Ft | 5K 10K | Vail, CO |
| 08/25/13 | Dirt Inspires Women Trail Half Marathon | 4M 8M 13.1M | Santa Cruz, CA |
| 08/25/13 | The North Face Race To The Top of Vermont | 4.3M | Stowe, VT |
| 08/25/13 | Dam Good Trail Race | 14M | Mt Morris, NY |
| 08/25/13 | Trail De Thabor | 30K | Bardonecchia, Italy |
| 08/25/13 | Teton Pass Kicker | 13.1M 26.2M | Wilson, WY |
| 08/25/13 | Crazy Eights | 8K | Stockton, CA |
| 08/26/13 | The North Face | 300K | Chamonix-mont-blanc, France |
| 08/28/13 | Burning Man Ultramarathon | 50K | Black Rock City, NV |
| 08/29/13 | Into The Wild Rockin Summer Run #3 | 8K | Orange, CA |
| 08/29/13 | The North Face | 119K | Chamonix-mont-blanc, France |
| 08/30/13 | The North Face | 168K | Chamonix-mont-blanc, France |
| 08/30/13 | The North Face | 100K | Chamonix-mont-blanc, France |
| 08/31/13 | XTERRA North Carolina Fisher Farm | 5M 10M | Davidson, NC |
| 08/31/13 | Jay Peak Trail Running Family Festival | 5K 25K 50K | Jay, VT |
| 08/31/13 | Iron Mountain Trail Run | 16M 30M 50M | Damascus, VA |
| 08/31/13 | Mud & Muck 5K Fun Run | 5K 1M | Lee's Summit, MO |
| 08/31/13 | Meeteetse Absaroka Challenge | 5K 10K 15K | Meeteetse, WY |
| 08/31/13 | One Heart Ride and Tie | 6M 12M 20M | Maxwell, IA |
| 08/31/13 | Ring O Fire-Anglesey | 131M | Holyhead, United Kingdom |
| 08/31/13 | Skirt 'n' Dirt Trail Run | 10K 25K 50K | Oakland, CA |
| 08/31/13 | Skirt Chaser | 25K | Oakland, CA |
| 08/31/13 | Distress the Dress - Taladega | 5K | Taladega, AL |
| 08/31/13 | 5k Foam Fest - Salt Lake City | 5K | Salt Lake City, UT |
| 08/31/13 | Creede Mountain Run | 2M 12M 22M | Creede, CO |
| 09/01/13 | 10K @ 10,000 Feet | 5K 10K | Steamboat Springs, CO |
| 09/01/13 | Labor Pain Endurance Trail Run | 12H | Reading, PA |
| 09/01/13 | Breck Crest | 10K 13.1M 23M | Breckenridge, CO |
| 09/01/13 | Capt'n Karl's: Reveille Ranch | 10K 30K 60K | Burnett, TX |
| 09/01/13 | Heavenly Mountain Run | 10K | South Lake Tahoe, CA |
| 09/01/13 | Glenwood Springs Half Marathon | 10K 13.1M | Glenwood Springs, CO |
| 09/02/13 | Zoom Vasona Lake | 5M 13.1M | Los Gatos, CA |
| 09/04/13 | Autumn Trail Series #1 | 5.8K | Bloomington, MN |
| 09/06/13 | Run Woodstock Day 1 | 100K 100M | Pinckney, MI |
| 09/06/13 | Superior "Fall" Trail Races | 26.2M 50M 100M | Lutsen, MN |
| 09/06/13 | Wasatch Front 100 Mile Endurance Run | 100M | Salt Lake City, UT |
| 09/06/13 | Endure the Bear | 5K 15K 30K 50K | Big Bear, CA |
| 09/06/13 | Ragnar Relay Colorado | 200 Mile Relay | Aspen, CO |
| 09/07/13 | Dirty Spokes - To Helen Back Unicoi State Park | 5K 15K | Helen, GA |
| 09/07/13 | GroundHog Fall 50K | 50K | Punxsutawney, PA |
| 09/07/13 | Run Woodstock Day 2 | 5M 13.1M 26.2M 50K 50M | Pinckney, MI |
| 09/07/13 | North Shore Trail Run | 13.1M 5K 10K | Lawrence, KS |
| 09/07/13 | Odyssey Trail Running Rampage | 5M 13.1M 26.2M 40M | Milboro, VA |
| 09/07/13 | Francis Marion Dirt Dash | 12K 13.1M | Awendaw, SC |
| 09/07/13 | Imogene Pass Run | 17.1M | Ouray, CO |
| 09/07/13 | Dash Point 2 | 10K 13.1M 26.2M | Tacoma, WA |
| 09/07/13 | Mt Royal Hillclimb | 5K | Frisco, CO |
| 09/07/13 | Trail Hog | 13.1M 10K 5K | San Jose, CA |
| 09/07/13 | Trans Britain Ultra | 156M | , United Kingdom |
| 09/07/13 | Susquehanna Super Hike & Ultra | 28.4M | Airville, PA |
| 09/07/13 | Distress the Dress - Burlington | 5K | Berlington, VT |
| 09/07/13 | Volcanic 50 | 50K | Mt St Helens, WA |
| 09/07/13 | Prospect Bandit Run | 5K | Waltham, MA |
| 09/08/13 | FAAP Fall Classic 5K | 5K | Pittsburgh, PA |
| 09/08/13 | Hartman Creek | 10K 25K | Waupaca, WI |
| 09/08/13 | Thunder Run | 8M | Rapid City, SD |
| 09/08/13 | Bigfoot 5k | 5K | Westville, IN |
| 09/08/13 | Denver Trail Half Marathon | 10K 13.1M | Aurora, CO |
| 09/08/13 | Moscow Mountain Madness | 50K | Moscow, ID |
| 09/08/13 | Health Heart Home Classic | 5K 10K 13.1M | Corvallis, OR |
| 09/11/13 | Fleet Feet Sports Dirt Cheap Trail Race Series #6 | 6M | Rochester, NY |
| 09/13/13 | Rock Cut Coyote Howl 10K Nite Run | 10K | Rockford, IL |
| 09/13/13 | ECARS Championship | 18H | Seven Springs, PA |
| 09/13/13 | Run, Rabbit, Run | 50M 100M | Steamboat Springs, CO |
| 09/13/13 | Rock Cut Hobo | 25K | Rockford, IL |
| 09/13/13 | Rock Cut HOBO 3-Day Stage Race | 85K | Rockford, IL |
| 09/14/13 | XTERRA Alabama Red Mtn Park | 5M 10M | Birmingham, AL |
| 09/14/13 | Rattlesnake Ramble | 4.25M | Eldorado Springs, CO |
| 09/14/13 | Bays Mountain Trail Race | 15M | Kingsport, TN |
| 09/14/13 | Plain 100 Mile Endurance Race | 100M | Plain, WA |
| 09/14/13 | Mark Twain 100 | 50M 100M | Steelville, MO |
| 09/14/13 | Rock Cut Hobo Ultramarathon | 50K | Rockford, IL |
| 09/14/13 | 6 Hours of Dauset Trails Endurance Trail Run | 6H | Jackson, GA |
| 09/14/13 | Moab's Alpine to Slickrock Race & Relay | 50M | Moab, UT |
| 09/14/13 | Hawk 100 and Trail Runs | 26.2M 50M 100M | Lawrence, KS |
| 09/14/13 | Zoom Point Pinole 2 | 5K 10K 13.1M | Palo Alto, CA |
| 09/14/13 | Baviaanskloof Trail Run | 40K | Willowmore, South Africa |
| 09/14/13 | Pine Creek Challenge | 100M 100K | Wellsboro, PA |
| 09/14/13 | Park City Mini Trail Series 1/2 Marathon | 13.1M | Park City, UT |
| 09/14/13 | Mathis Memorial Run | 7M 25K 22M 50K | Folsom, CA |
| 09/14/13 | Paatuwaqatsi - Water Is Life | 50K | Polacca, AZ |
| 09/14/13 | Big Bear Ride & Tie | 17M 23M | Big Bear, CA |
| 09/14/13 | Emerald Bay Trail Run | 12K | Tahoe City, CA |
| 09/14/13 | Rugged Maniac-Southern Indiana | 5K | Paoli, IN |
| 09/14/13 | Ucka Trail | 25K 41K | Moscenicka Draga, Croatia |
| 09/14/13 | Rough Creek Trail Run | 13.1M 26.2M 40M | Glen Rose, Tx |
| 09/14/13 | Wabash Trace Nature Trail Marathon | 13.1M 26.2M 26.2M Relay | Shenandoah, IA |
| 09/15/13 | Helvetia 10K Mountain Run | 10K | Helvetia, WV |
| 09/15/13 | Trails to a Cure | 8M | Chester, CT |
| 09/15/13 | Hit the Hay 13k Trail Run | 13K | Birdsboro, PA |
| 09/15/13 | EX2 Off-Road Half Marathon | 13.1M 10K | Triangle, VA |
| 09/15/13 | La Sportiva Vail Evergold | 7.1M | Vail, CO |
| 09/15/13 | Southern 6K Trail Race | 6K | Chattanooga, TN |
| 09/15/13 | Lead King Loop Charity Races | 2.5K 12.5K 25K | Marble, CO |
| 09/15/13 | Dam Half & Dam Full | 13.1M 26.2M | Mifflingburg, PA |
| 09/15/13 | Evergreen Lake Ultra and Half Ultra | 31M 43M | Hudson, IL |
| 09/15/13 | Toro Trail Run | 5K 10K 13.1M 30K | Salinas, CA |
| 09/15/13 | Dauset Trails Dirty Duathlon | D | Jackson, GA |
| 09/15/13 | Diablo Trail Run | 4M 10M 13.1M 26.2M 50K | Clayton, CA |
| 09/15/13 | Timber Trail Races | 5K 10K 13.1M | Harrison, MI |
| 09/15/13 | Toro Trail Run | 5K 10K 13.1M 30K | Salinas, CA |
| 09/15/13 | Danske Bank Vilnius Marathon | 42K | Vilnius, Lithuania |
| 09/15/13 | Hobart Urban | 5K | Troy, OH |
| 09/18/13 | Autumn Trail Series #2 | 5.8K | Bloomington, MN |
| 09/20/13 | Toad Challenge Thames Path Multistage Ultra | 60M | Oxfordshire, United Kingdom |
| 09/20/13 | Birmingham Stage Race 3 Days-3 Mountains-50Miles | 17M 17M 20M | Birmingham, AL |
| 09/20/13 | USN Atlantic Coast Challenge | 78.6M | Padstow, United Kingdom |
| 09/20/13 | Krali Marko Trail 2013-90km | 90K | Prilep, Macedonia |
| 09/20/13 | Ragnar Relay Napa Valley | 200 Mile Relay | San Francisco, CA |
| 09/21/13 | Morgan Conservation Park Five Miler | 5M | Louisville, KY |
| 09/21/13 | Birkie Trail Run and Trek | 5K 13.1M 26.2M 26.2R | Hayward, WI |
| 09/21/13 | Surly Trail Loppet | 5K 13.1K 13.1M | Minneapolis, MN |
| 09/21/13 | XTERRA Georgia Harbins Park | 10K | Dacula, GA |
| 09/21/13 | Camp 4 Coffee Cart to Cart Trail Run | 13.5M 19M | Crested Butte, CO |
| 09/21/13 | Trails 4 Tails 40 Mile Ultra and Relay | 40M | Hanover, PA |
| 09/21/13 | Dances With Dirt Hell | 50K 50M 100R | Pinckney, MI |
| 09/21/13 | Emerald Mountain | 12K | Steamboat Springs, CO |
| 09/21/13 | In Yan Teopa 10 Mile | 10M | Lake City, MN |
| 09/21/13 | 12-Hour Adventure Trail Run | 12H | Triangle, VA |
| 09/21/13 | Cle Elum Ridge | 25K 50K | Cle Elum, WA |
| 09/21/13 | Jelm Mountain Run | 10.3M | Jelm, WY |
| 09/21/13 | Sierra Nevada Endurance Runs | 12K 26.2M 52.4M | Granite Bay, CA |
| 09/21/13 | Vasque Golden Leaf Half Marathon | 13.1M | Aspen, CO |
| 09/21/13 | Georgia Jewel | 50K 50M 100M | Dalton, GA |
| 09/21/13 | Middle Fork 50K and 20-Mile Trail Run | 20M 50K | North Bend, WA |
| 09/21/13 | Santa Barbara 9 Trails | 35M | Santa Barbara, CA |
| 09/21/13 | Virgil Crest Ultras | 50K 50M 100M | Virgil, NY |
| 09/21/13 | Drag-N-Fly Trail Runs | 5K 10K 13.1M | Antioch, CA |
| 09/21/13 | Krali Marko Trail 2013-38km | 38K | Prilep, Macedonia |
| 09/21/13 | Javelina Jangover Night Run | 7K 25K 50K 75K 100K | Fountain Hills, AZ |
| 09/21/13 | Run For Green | 5K 10K 13.1M 26.2M | Davidson, NC |
| 09/21/13 | Denver 5K Foam Fest | 5k | Byers, UT |
| 09/21/13 | Autumn Color Run | 1M 5K 10K 13.1M | Buena Vista, CO |
| 09/21/13 | Hancock Shaker Village | 50M | Pittsfield, MA |
| 09/21/13 | 5K Trail Run for 2-1-1 | 5K | Ionia, MI |
| 09/21/13 | Chase the Sun Ultra and Relay | 6H 12H 6H Relay 12H Relay | Savannah, GA |
| 09/21/13 | Columbia River Power Marathon and Ultra | 26.2M 50K | Umatilla, OR |
| 09/22/13 | Kismet Cliff Run | 5M 13.1M | North Conway, NH |
| 09/22/13 | XTERRA Trail Running National Championship | 5K 10K 21K | Ogden, UT |
| 09/22/13 | XTERRA Marathon Of Trail Races | 5K 13.1M 26.2M | Colorado Springs, CO |
| 09/22/13 | Conestoga Trail Run | 10M | Holtwood, PA |
| 09/22/13 | Grand to Grand Ultra | 160M | Kanab, UT |
| 09/22/13 | Lagoon Valley Trail Run 3.0 | 5K 10K 13.1M | Vacaville, CA |
| 09/22/13 | The North Face Dirty Feet Trail Series #4 | 5K 10K 13.1M | Kamloops, BC |
| 09/22/13 | Flagstaff Endurance Runs | 50K 50M | Flagstaff, AZ |
| 09/22/13 | Crazy Leg 13.1 Trail Half Marathon | 13.1M | Chesterton, IN |
| 09/22/13 | Hell Creek on Heels 5k and 30k | 5K 30K | Wilson Lake State Park, KS |
| 09/22/13 | Place Movin' Day 5k/10k | 5K 10K | Newbury Park, CA |
| 09/22/13 | Happy Girls Run Forest Grove | 5K 10K 13.1M | Forest Grove, OR |
| 09/22/13 | Sloppy Cuckoo | 6.55M 13.1M | Philadelphia, PA |
| 09/22/13 | Noreseman Trail | 5K 10M | Kensington, MN |
| 09/22/13 | Fall Colors Run | 5M | Rush City, MN |
| 09/22/13 | The Dirty FarmHand Mud Run #4 | 5K | Rush City, MN |
| 09/27/13 | Bear 100 | 100M | Preston, ID |
| 09/27/13 | Ragnar Relay Adirondacks | 200 Mile Relay | Lake Placid, NY |
| 09/28/13 | James River Loop 8-Mile Trail Run | 8M | Richmond, VA |
| 09/28/13 | Mountain Madness | 7M 25K 50K | Ringwood, NJ |
| 09/28/13 | XTERRA Alabama Cheaha State Park | 10K | Delta, AL |
| 09/28/13 | Sundance Trail Run | 10K 30K 50K | Sundance, WY |
| 09/28/13 | Fall Trail Classic | 4M | Caledonia, IL |
| 09/28/13 | Mt Taylor 50K | 50K 50R | Grants, NM |
| 09/28/13 | Big Sur Trail Marathon | 5M 13.1M 26.2M | Big Sur, CA |
| 09/28/13 | Devil Mountain Ultra | 13.1M 50K 50M | Pagosa Springs, CO |
| 09/28/13 | Vasa Trail Head | 5K 10K 25K | Traverse City, MI |
| 09/28/13 | FlatRock | 50K 25K | Independence, KS |
| 09/28/13 | Mogollon Monster 100 | 106M | Pine, AZ |
| 09/28/13 | Cruxy Half Marathon | 13.1M | Vail, CO |
| 09/28/13 | Uber Rock | 50K | Vail, CO |
| 09/28/13 | Ultra Race of Champions | 100K | Vail, CO |
| 09/28/13 | Golden Gate Canyon Trail Run Half Marathon | 12.7M | Black Hawk, CO |
| 09/28/13 | Trick or Treat 12K | 12K | Sun Valley, ID |
| 09/28/13 | Megatransect | 26M | Lock Haven, PA |
| 09/28/13 | Idaho Mountain Festival | 10K 13.1M | Almo, ID |
| 09/28/13 | Rock Bridge Revenge | 12K 25K | Columbia, MO |
| 09/28/13 | Hungerford Games | 13.1M 26.2M 50M | Big Rapids, MI |
| 09/28/13 | Rugged Maniac - New England | 5K | Southwick, MA |
| 09/28/13 | Cheyenne Creek Trail Run 2013 | 5K 10K 13.1M | Hillsboro, WI |
| 09/28/13 | Grand River Run | 8K | Ada, MI |
| 09/28/13 | Berkeley Trail Adventure | 10K 13.1M 35K 50K | Berkeley, CA |
| 09/28/13 | Distress the Dress - Temecula | 5K | Temecula, CA |
| 09/28/13 | Patagonian International Marathonk | 10K 21K 42K 63K | Puerto Natales, Chile |
| 09/28/13 | Lost Sierra 50K | 50K | Graeagle, CA |
| 09/28/13 | Mountain Lakes 100 | 100M | Olallie Lake, OR |
| 09/28/13 | Catalina Island Conservancy Half Marathon | 5K 13.1M | Avalon, CA |
| 09/28/13 | Bear Chase Trail Race | 10K 13.1M 50K 50M 100K | Lakewood, CO |
| 09/28/13 | Rebel Race: New Jersey | 3M 9M | Shamong, NJ |
| 09/28/13 | Double Robie & Aldape Challenge | 16.6M 26.2M | Boise, ID |
| 09/28/13 | Grave Digger Race | 5M | Sparks, OK |
| 09/29/13 | Catalina State Park Reverse The Course | 5.2M 10.3M | Tucson, AZ |
| 09/29/13 | Heritage Trail Marathon | 6.55M 13.1M 26.2M | West Lafayette, IN |
| 09/29/13 | Dirt Devil Dirty Invitational Trail Marathon | 26.2M | San Diego, CA |
| 09/29/13 | Fountainhead Off-Road Dualathalon | Fairfax Station, VA | |
| 09/29/13 | Vermont 50 | 50K 50M 50R | Brownsville, VT |
| 09/29/13 | FORE Miler | 4M | Centennial, CO |
| 09/29/13 | Color Sunday Adventure Challenge at Powderhorn Mountain | 3K 10K | Mesa, CO |
| 09/29/13 | Wabash Heritage Trail Marathon | 6.55M 13.1M 26.2M | Indianapolis, IN |
| 09/29/13 | VentureQuest Adventure Race | 35M | Fountainhead, VA |
| 09/29/13 | Snow Mountain Ranch Half Marathon | 5K 10K 13.1M | Granby, CO |
| 09/29/13 | II° trail del Moscato | 50K | Santo Stefano Belbo, Italy |
| 10/01/13 | Out Of Bounds Half Marathon And 10K Trail Races At Bristol Mountain | 10K 13.1M | Canandaigua, NY |
| 10/01/13 | Forge Trail Series - Battlefield | 5K 10K 13.1M | Baton Rouge, LA |
| 10/01/13 | John Holmes Trail Run | 16M 50K | Brooksvile, FL |
| 10/01/13 | Extreme North Dakota Trail Running Adventure Lap Style | 6H 12H | Grand Forks, ND |
| 10/02/13 | Autumn Trail Series #3 | 5.8K | Bloomington, MN |
| 10/04/13 | Ragnar Relay Washington DC | 200 Mile Relay | Washington, DC |
| 10/05/13 | Ultimate Xc Vermont Edition | 2K 5K 10K 21K 42K | East Burke, VT |
| 10/05/13 | Rock/Creek Stump Jump | 11M 50K | Chattanooga, TN |
| 10/05/13 | Big Tesuque Trail Run | 12M | Santa Fe, NM |
| 10/05/13 | Blackbeard | 4H 8H | Nags Head, NC |
| 10/05/13 | White Tail Trail Half Marathon | 10K 13.1M | Waynesville, OH |
| 10/05/13 | FLATS Trail Half Marathon | 13.1M | Kirksville, MO |
| 10/05/13 | Rio Del Lago | 50K 100K 100M | Granite Bay, CA |
| 10/05/13 | Sekani Trail Run | 5K 10K | Spokane, WA |
| 10/05/13 | Mt Spokane | 25K 50K | Spokane, WA |
| 10/05/13 | Fall Evergold Trail Race | 2M 10M | Idledale, CO |
| 10/05/13 | Arkansas Traveller 100 | 100M | Perryville, AR |
| 10/05/13 | Baker Lake 50K Trail Run | 50K | Concrete, WA |
| 10/05/13 | Porcupine Mountains Trail Marathon | 5K 13.1M 26.2M | Ontonagon, MI |
| 10/05/13 | Snowfest Scarecrow Spring and Stroll | 5K 10K | Tahoe City, CA |
| 10/05/13 | HRCA Backcountry Wilderness Half Marathon | 13.1M | Highlands Ranch, CO |
| 10/05/13 | Indian Lake Trail Run | 6K 12K | Madison, WI |
| 10/05/13 | Moraine Hills Run for the Hills | 10K 13.1M | McHenry, IL |
| 10/05/13 | Condor Trail Run | 25K | Corvallis, OR |
| 10/05/13 | Western Greenway Trail Run | 5K | Waltham, MA |
| 10/05/13 | Survival Run: Hunter Gatherer | 50K 100K | Rocksprings, TX |
| 10/05/13 | Lehigh Gap Nature Center More or Less a 10K | 10K | Slatington, PA |
| 10/06/13 | Paine to Pain | 13.1M | New Rochelle, NY |
| 10/06/13 | Mountain RAID 4 & 12 Mile Trail Races | 4M 12M | Newry, ME |
| 10/06/13 | Run Crazy Horse | 26.2M | Crazy Horse, SD |
| 10/06/13 | Blues Cruise 50K | 50K | Leesport, PA |
| 10/06/13 | Houghton's Pond | 6.2M | Milton, MA |
| 10/06/13 | XTERRA Estrella Mountain | 8K 20K | Goodyear, AZ |
| 10/06/13 | Sandrat Trail Run | 9.5M | Lawrence, KS |
| 10/06/13 | Salamander Sprint Trail Run | 5K 10K | Fort Wayne, IN |
| 10/06/13 | NipMuck Trail Marathon | 26.4M | Ashford, CT |
| 10/06/13 | Big Bear Ridge Run | 10K 13M 24M | Big Bear Lake, CA |
| 10/06/13 | Santa Rose Rut Run | 10K 13.1M 30K | Santa Rose, CA |
| 10/06/13 | Blue Mountain 30k | 30K | Missoula, MT |
| 10/06/13 | Blue Steel Stampede | 10K | Baltimore, MD |
| 10/06/13 | FATS 50K | North Augusta, SC | |
| 10/06/13 | K2 Summit Trail Run | 10K 13.1M 35K 50K | Auburn, CA |
| 10/09/13 | Kilimanjaro Stage Run | 260K | Kilimanjaro, Tanzania |
| 10/11/13 | Votwo Atlantic Coast Challenge | 78.6M | Truro, Cornwall, United Kingdom |
| 10/12/13 | XTERRA Georgia Fort Yargo State Park | 5K 10K | Winder, GA |
| 10/12/13 | Newton Hills Trail Races | 2M 6.2M | Canton, SD |
| 10/12/13 | Great Ocean Walk 100s | 50K R 100K | Apollo Bay, Australia |
| 10/12/13 | Boulder 100 & 50K | 50K 100M | Boulder, CO |
| 10/12/13 | 24 Hours Of Boulder...the Run | 6H 12H 24H 24R | Boulder, CO |
| 10/12/13 | Silent Trails Memorial | 10M | Laramie, WY |
| 10/12/13 | Epic Mountain Challenge | Pagosa Spring, Co | |
| 10/12/13 | Soulstice Mountain | 6M 11M | Flagstaff, AZ |
| 10/12/13 | Heartland 100 | 50M 100M | Cassody, KS |
| 10/12/13 | 10-10-10K | 10K | Rapid City, SD |
| 10/12/13 | Xterra St. Edward Harvest | 10K 13.1K | Kenmore, WA |
| 10/12/13 | Fall Foliage Trail Runs | 5K 10K | Waynesboro, VA |
| 10/12/13 | Bizz Johnson Express Half Marathon | 13.1M | Susanville, CA |
| 10/12/13 | Rugged Maniac-Southern California | 5K | Temecula, CA |
| 10/12/13 | Market to Market 50K | 50K | Lincoln, NE |
| 10/12/13 | Elk- Kings Mtn Traverse | 15M | Tillamook, OR |
| 10/12/13 | Mountain View Trail Run | 13.1M | Syracuse, UT |
| 10/12/13 | Beech Mountain Madness | 50K | Beech Mountain, NC |
| 10/12/13 | Calypso Trail - Mljet Islad | 50K | Mljet Island National park, Croatia |
| 10/12/13 | Canyon De Chelly Ultra | 55K | Chinle, AZ |
| 10/13/13 | Dirt Devil Raptor Ridge Trail Half Marathon | 13.1M | Escondido, CA |
| 10/13/13 | Glacial Trail 50 | 50K 50M | Greenbush, WI |
| 10/13/13 | Boggs Mountain | 50K | Cobb, CA |
| 10/13/13 | Fall Backyard Burn Trail Running Series #1 | 5M 10M | Reston, VA |
| 10/13/13 | Fall Fell Trail Trail Race | 7M | Olathe, KS |
| 10/13/13 | XTERRA Point Mugu Trail Run | 11K 18K | Oxnard, CA |
| 10/13/13 | Dig the Du | Hendersonville, NC | |
| 10/13/13 | Green Monster | 25K 50K | Wellsboro, PA |
| 10/13/13 | Bizz Johnson Trail Runs | 10K 13.1M 26.2M 50K | Susanville, CA |
| 10/13/13 | Towpath Marathon | 10K 13.1M 26.2M | Cleveland, OH |
| 10/13/13 | Mystery Mountain Marathon | 12M 26.2M | Chatsworth, GA |
| 10/13/13 | Westminster Trail Half Marathon | 10K 13.1M | Westminster, CO |
| 10/16/13 | Autumn Trail Series #4 | 5.8K | Bloomington, MN |
| 10/18/13 | Votwo Pembrokeshire Coast Challenge | 78.6M | St Davids, Wales |
| 10/18/13 | Pony Express Trail 100 | 100M 50M | Faust, UT |
| 10/18/13 | Ragnar Trail McDowell Mountain | 120M Relay | Scottsdale, AZ |
| 10/19/13 | Antelope Island 50K & 100K | 50K 100K | Syracuse, UT |
| 10/19/13 | Into The Darkness 4 Mile Night Trail Run | 4M | Roanoke, VA |
| 10/19/13 | Ultima Frontera Trail Races | 55K 83K 166K | Loja, Granda Province, Spain |
| 10/19/13 | Ghouls & Fools NightTime Trail Run | 6.5M | Reading, PA |
| 10/19/13 | Lake Perry Rocks | 50K 13.1M 5K | Topeka, KS |
| 10/19/13 | St Pat's 24 Hour | 6H 12H 24H | South Bend, IN |
| 10/19/13 | Quicksilver Challenge | 10K 13.1M | San Jose, CA |
| 10/19/13 | Pioneer Saloon Ghost Run Fall | 50K 50M | Good Springs, NV |
| 10/19/13 | Foothills Of The Cascade Ride & Tie | 10M 25M | Molalla, OR |
| 10/19/13 | TARC Fall Classic 50K | 10K 13.1M 26.2M | Carlisle, MA |
| 10/19/13 | River Otter Trail Relay | 10K | Awendaw, SC |
| 10/19/13 | Wild Duluth Races | 13.1M 50K 100K | Duluth, MN |
| 10/19/13 | Run with the Kokanee | 5K 10K | Issaquah, WA |
| 10/19/13 | Moccasin Gap 10 Mile and Heepwah 5K Trail Run | 5K 10M | Ozark, IL |
| 10/19/13 | Brazen Rocky Ridge Half Marathon Championship/10k/5k | 5K 10K 13.1M | San Ramon, CA |
| 10/19/13 | Ucka Vertical | 7.7K | Medveja, Croatia |
| 10/19/13 | Cave Creek Thriller | 10K 30K 50K | Cave Creek, AZ |
| 10/19/13 | One Hell of a Run | 5K | Los Feliz, CA |
| 10/19/13 | Sinnemahone Ultra Marathon Trail Run | 25K 50K 50K Relay | Emporium, PA |
| 10/19/13 | Coyote Ridge Trail Run | 7M 10M 20M 26.2M 50K | Muir Beach, CA |
| 10/19/13 | Bocca Lupo Howl at the Moon 5K Trail Run | 5K | Englewood, FL |
| 10/19/13 | Lost Creek Reserve Run | 5K 10K | Troy, OH |
| 10/20/13 | Whoo's in El Moro | 25K 50K | Newport Beach, CA |
| 10/20/13 | Dogwood Canyon Trail Runs | 15K 25K 50K | Lampe, MO |
| 10/20/13 | Friend2friend Hot Chili Challenge | 8M | Newton, NJ |
| 10/20/13 | Coastal Trail Challenge 10K | 10K | San Francisco, CA |
| 10/20/13 | Ridgewalk, Run, Race, Ride | 5K 10K 15M | Wellsville, NY |
| 10/20/13 | Fall Backyard Burn Trail Running Series #2 | 5M 10M | Lorton, VA |
| 10/20/13 | Bimbler's Bluff | 50K | Guilford, CT |
| 10/20/13 | Tussey MOUnTaiNBACK 50 USA | 50M | Boalsburg, PA |
| 10/20/13 | Fort Steilacoom | 5K 10K 13.1M 50K | Lakewood, WA |
| 10/20/13 | Bond Brook Tread Fest | 5M 10M | Augusta, ME |
| 10/20/13 | Edge Adventure Race | 20M 10M | Philadelphia Area, PA |
| 10/20/13 | Hill Country Marathon | 0K 13.1M 26.2M | Marble Falls, TX |
| 10/25/13 | Fort Valley Ride & Tie | 15M 30M 50M | Fort Valley, VA |
| 10/25/13 | Run Around the Gorge | 40M | Fayetteville, WV |
| 10/25/13 | Zanzibar Ultra Trail | 98K | Zanzibar, Zanzibar |
| 10/25/13 | Ragnar Relay Tennessee | 200 Mile Relay | Nashville, TN |
| 10/26/13 | Whiskeytown Trail Runs | 8M 30K 50K | Redding, CA |
| 10/26/13 | Blackhawk Trail Run | 8K 16K | Sauk City, WI |
| 10/26/13 | Trailapalooza Trail Running Festival | 5K 10K 20K | Hidden Valley, PA |
| 10/26/13 | Napa Valley Wine Country Marathon | 10K 13.1M 26.2M | Napa, CA |
| 10/26/13 | Mackinac Island Great Turtle | 5.7M 13.1M | Mackinac Island, MI |
| 10/26/13 | XTERRA Kapalua Trail Run | 5K 10K | Kapalua, HI |
| 10/26/13 | Trick or Treat Night Trail Run | 5K | Kansas City, KS |
| 10/26/13 | Haunting Ride and Tie | 15M 30M 50M | La Pine, OR |
| 10/26/13 | Ghost Train Rail Trail Ultra | 15M 30M 45M 60M 75M 90M 100M | Brookline, NH |
| 10/26/13 | Cactus Rose | 50M 100M | Bandera, TX |
| 10/26/13 | Hoofin' It Through the Hollows Run/Walk | 5K | Centennial, CO |
| 10/26/13 | Surf the Murph | 25K 50K 50M | Savage, MN |
| 10/26/13 | Rockport Trail Runs | 4M 10K | Janesville, WI |
| 10/26/13 | Monroe County YMCA Illinois Ozarks 10k Bluff Trail Run | 10K | Valmeyer, IL |
| 10/26/13 | Cuyamaca Ride and Tie | 5M 10M 15M 20M 30M | Vuyamaca, CA |
| 10/26/13 | Rugged Maniac-Kansas City | 5K | Weston, MO |
| 10/26/13 | Blackwater Trail Series-50K Ultra & Relay | 50K 50R | Milton, FL |
| 10/26/13 | Javelina Jundred | 100M 100K | Fountain Hills, AZ |
| 10/26/13 | Rope Mill Dirty Duathlon and Trail Run | 5K D | Woodstock, GA |
| 10/26/13 | REI Muddy Buddy Los Angeles | 4.5 M | Los Angeles, CA |
| 10/26/13 | Terror in the Glen | 5K 10K 13.1M | Glenwood City, Wi |
| 10/26/13 | Bad Apple Ultra | 3H 6H 12H | Greenville, MI |
| 10/26/13 | Harvest Hoot 'n Holler Adventure Run | 5K 7M | Rush City, MN |
| 10/27/13 | Dirty Herd Fall Classic | 2.5M 5M | Grand Rapids, MI |
| 10/27/13 | Black Hawk Ridge Run | 8K 16K | Sauk City, WI |
| 10/27/13 | Stone Steps 50k | 50K | Cincinnati, OH |
| 10/27/13 | Bison 50 Topeka to Lawrence Relay | 50M | Topeka, KS |
| 10/27/13 | Hoboglobin 10k | 10K | Chesterton, IN |
| 10/27/13 | G.O.A.T.z Trail Runs | 5M 10.5M 21M 50K | Omaha, NE |
| 10/28/13 | Wildlands Trail Race | 7.2M | East Orland, ME |
| 10/28/13 | Namib Desert Challenge | 220K | Sossusvlei Desert, Nambia |
| 10/31/13 | Pure Screamin' Hell | 6.66M | Louisville, KY |
| 11/01/13 | Turkey Tri | San Dimas, CA | |
| 11/01/13 | San Dimas 10K Turkey Trot | 10K | San Dimas, CA |
| 11/02/13 | Ozark Trail 100 Mile Endurance Run | 103M | Steelville, MO |
| 11/02/13 | XTERRA Georgia Battle At Big Creek | 5M 10M | Roswell, GA |
| 11/02/13 | Mud & Chocolate Trail Runs #3 | 4.5M 13.1M | Redmond, WA |
| 11/02/13 | Stinson Beach Marathon | 7M 25K 26.2M | Stinson Beach, CA |
| 11/02/13 | MAFF Adventure Race | 8H | Delafield, WI |
| 11/02/13 | Pringle Nature Center 5K Trail Run/Hike | 5K | Bristol, WI |
| 11/02/13 | Rugged Maniac-DC Metro | 5K | Clarksburg, MD |
| 11/02/13 | Crater Run | 5K | Mt Enterprise, TX |
| 11/02/13 | Folsom Lake Endurance Runs | 10K 13.1M 50K 50M | Folsom, CA |
| 11/02/13 | Run Turkey Run | 5K | Fountain Valley, CA |
| 11/02/13 | Anaheim Trail Half Marathon | 5K 13.1M | Anaheim, CA |
| 11/02/13 | Moab Trial Marathon | 5K 13.1M 26.2M | Moab, UT |
| 11/02/13 | Happy Dirty Girls Run | 5K 13.1M | Sisters, OR |
| 11/03/13 | Friend2friend Alexa's Thunder Run | 13.1M | Newton, NJ |
| 11/03/13 | Fall Backyard Burn Trail Running Series #3 | 5M 10M | Fairfax Station, VA |
| 11/03/13 | XTERRA Wild Horse | 5K 10K 16K 21K | Tampa, FL |
| 11/03/13 | The North Face Dirty Feet Tunnel Run | 10R 20K | Penticton, BC |
| 11/03/13 | Diablo Trail Adventure | 5K 10K 13.1M | Walnut Creek, CA |
| 11/03/13 | Hell Creek on Heels 50k | 50K | Wilson Lake State Park, KS |
| 11/08/13 | Ragnar Relay Las Vegas | 200 Mile Relay | Las Vegas, NV |
| 11/09/13 | Hard Labor Creek | 5K 15K | Rutledge, GA |
| 11/09/13 | Into The Wild HPN Trail Running Championship | 12K 20K | Silverado, CA |
| 11/09/13 | Upchuck | 50K | Chattanooga, TN |
| 11/09/13 | Dirt Trails and Pony 5K | 5K | Austin, TX |
| 11/09/13 | Siltstone Trail Half Marathon | 13.1M | Louisville, KY |
| 11/09/13 | Lake Chabot Trail Challenge | 5M 13.1M 26.2M 50K | Castro Valley, CA |
| 11/09/13 | Manaslu Mountain Trail Race | 220K | Gorkha District, Nepal |
| 11/09/13 | Rugged Maniac-Dallas | 5K | Ennis, TX |
| 11/09/13 | Catalina Eco Marathon | 10K 26.2M | Avalon, CA |
| 11/09/13 | Chino Hills Trail Run Series | 30K 50K | Brea, CA |
| 11/09/13 | Frary Peak Hill Climb | 5.9M | Syracuse, UT |
| 11/10/13 | XTERRA Alabama Oak Mountain | 5K 10K 21K | Pelham, AL |
| 11/10/13 | Jacks Trail Race | 25K 50K | Flagler Beach, FL |
| 11/10/13 | Fall Backyard Burn Trail Running Series #4 | 5M 10M | Triangle, VA |
| 11/10/13 | Veteran's Day Fantastic Four Mile Trail Run | 4M | Kansas City, KS |
| 11/10/13 | Bellingham Trail Marathon | 6M 26.2M | Bellingham, WA |
| 11/10/13 | Carkeek Park 5K & 10K | 5K 10K | Seattle, WA |
| 11/10/13 | Enchanted Rock Trail Runs | 10K 25K | Fredericksburg, TX |
| 11/11/13 | Dirty Spokes Off Road Duathlon Oak Mtn | Pelham, AL | |
| 11/15/13 | Desert Ultra | 250K | Brandberg, Namibia |
| 11/16/13 | XTERRA Georgia Little Mulberry Park | 5K 10K | Dacula, GA |
| 11/16/13 | Dizzy Fifties Trail Run | 50K | Huntsville, AL |
| 11/16/13 | Rugged Maniac - Phoenix | 5K | Chandler, AZ |
| 11/16/13 | Dirty Duel | 3M 3.75M | Grand Rapids, MI |
| 11/16/13 | Spooner's Cove | 5M 7M 25K 50K | Los Osos, CA |
| 11/16/13 | Mt. Tam | 12K 30K 13.1M 50K | Stinson Beach, CA |
| 11/16/13 | Pass Mountain Trail Runs | 12K 26K 50K | Mesa, AZ |
| 11/16/13 | Ultra Marathon La Ruta de Los Conquistadores | 52K 100K | Jaco-San Jose, Costa Rica |
| 11/17/13 | Fall Backyard Burn Trail Running Series #5 | 5M 10M | Clifton, VA |
| 11/17/13 | Grand Ridge Trail Run #2 | 5M 13.1M 26.2M 50K | Issaquah, WA |
| 11/20/13 | Costa Rica Ultra Trail - La Transtica | 120K 196K | San Jose, Costa Rica |
| 11/23/13 | Quad Dipsea | 28.4M | Mill Valley, CA |
| 11/23/13 | Duncan Ridge Trail 50K/30K | 30K 50K | Blairsville, GA |
| 11/23/13 | Living History Farms Off-Road Race | 7M | Urbandale, IA |
| 11/23/13 | Quarry Turkey | 5K 10K 13.1M | Fremont, CA |
| 11/24/13 | Dirty Bird 15K Trail Run | 15K | Birdsboro, PA |
| 11/28/13 | Nitro Turkey Thanksgiving Run | 5K 10K | Pinole, CA |
| 11/29/13 | Globallimits Cambodia - The Ancient Khmer Path | 220K | Phnom Penh, Cambodia |
| 11/30/13 | TARC Winter Fells Ultra | 32M 40M | Stoneham, MA |
| 11/30/13 | XTERRA Alabama Coldwater Mtn | 2.4M 9.6M | Anniston, AL |
| 11/30/13 | Turkey Recovery 5K | 5M | Laporte, In |
| 12/01/13 | Pine Mountain 40 | 40M | Pine Mountain, GA |
| 12/01/13 | OTHTC High Desert Ultra | 30K 50K | Ridgecrest, CA |
| 12/01/13 | THUNDERBIRD Trail Half Marathon | 1M 5K 10K 13.1M | St. Francisville, LA |
| 12/01/13 | XTERRA Trail Running World Championship | 5K 10K 21K | Ka'a'awa, HI |
| 12/01/13 | Xterra Kualoa Trail Run | 5K 10K | , HI |
| 12/01/13 | Make Room For Santa 5K, 10K And Kids Run | 5K 10K | Irvine, CA |
| 12/01/13 | Fall Backyard Burn Trail Running Series Race 6 | 5M 10M | Clifton, VA |
| 12/07/13 | XTERRA Georgia Victoria Bryant State Park | 5K 10K | Royston, GA |
| 12/07/13 | Death Valley Trail Marathon | 26.2M 13.1M | Death Valley, CA |
| 12/07/13 | The North Face | 5K 10K 13.1M 26.2M 50K 50M | San Francisco, CA |
| 12/07/13 | Cajun Coyote Trail Run & Relay | 20M 100K 100M | Ville Platte, LA |
| 12/07/13 | Jack's 50k/25k Trail Race | 25K 50K | Flagler Beach, FL |
| 12/07/13 | Summit Rock Half Marathon/10K/5K | 5K 10K 13.1M | San Jose, CA |
| 12/07/13 | Malibu Canyon | 10K 25K 50K | Calabasas, CA |
| 12/07/13 | McDowell Mountain Frenzy Trail Runs | 5M 10M 25K 50K 50M | Fountain Hills, AZ |
| 12/07/13 | Isle Du Bois Trail Run | 18M 54K | Pilot Point, TX |
| 12/07/13 | Texas Trails Endurance Run | 20K 50K 50M | Huntsville, TX |
| 12/14/13 | Hark the Herald Angels Run | 12K 25K | Tiburon, CA |
| 12/14/13 | Alternate Chili Run | 10M | Kansas City, KS |
| 12/14/13 | Eagle Endurance Last Chance 50K | 50K R | Cordesville, SC |
| 12/14/13 | Deception Pass | 25K 50K | Oak Harbor, WA |
| 12/14/13 | Rugged Maniac-Houston | 5K | Conroe, TX |
| 12/14/13 | Woodside Ramble | 10K 13.1M 35K 50K | Woodside, CA |
| 12/14/13 | Summit Rock | 5K 10K 13.1M | Saratoga, CA |
| 12/14/13 | Forge Trail Series -Thunderbird | 1M 5K 10K 13.1M | St Francisville, LA |
| 12/19/13 | Patagonia Running Adventure | 10.5M 11.5M 12M 15M 18.5M 19M | Torres del Paine, Chile |
| 12/21/13 | Lookout Mountain | 10K 50M | Chattanooga, TN |
| 12/21/13 | Rock Cut Survivor Series 5K | 5K | Rockford, IL |
| 12/21/13 | Extreme North Dakota Winter Adventure Rogaine | 4H 6H | Detroit Lakes, ND |
| 12/21/13 | Seashore Nature Trail | 50K | Virginia Beach, VA |
| 12/28/13 | The HUFF 50K Trail Run | 10.5M 50K 50R | Albion, IN |
| 12/28/13 | Brazen New Year's Eve Half marathon/10k/5k2/14/13 | 5K 10K 13.1M | Castro Valley, CA |
| 12/28/13 | Jingle Bell 5k | 5K | Chesterton, IN |
| 12/31/13 | New Year's One Day | 6H 12H 24H | San Francisco, CA |
| 01/11/14 | Savannah Rails to Trails 50K | 5K 10K 25K 50K | Savannah, GA |
| 01/12/14 | Two Bays Trail Run | 28K 56K | Dromana - Cape Schanck, Australia |
| 02/08/14 | Fuego Y Agua Endurance Races | 25K 50K 100K | Moyogalpa, Nicaragua |
| 02/16/14 | Sahara Race (Egypt) | 250K | Cairo, Egypt |
| 03/02/14 | Ultramarathon Caballo Blanco | 50M | Urique, Mexico |
| 03/21/14 | Antelope Island Buffalo Run | 25K 50K 50M 100M | Syracuse, UT |
| 04/26/14 | Indiana Trail 100 | Albion, IN | |
| 05/03/14 | Greenland Trail Races | 8M 25K 50K | Larkspur, CO |
| 06/01/14 | Gobi March (China) | 250K | Bole, China |
| 08/31/14 | RacingThePlanet: Madagascar | 250K | Antananarivo, Madagascar |
| 10/05/14 | Atacama Crossing (Chile) | 250K | San Pedro de Atacama, Chile |
| 11/16/14 | The Last Desert (Antarctica) | 250K | Ushuaia, Argentina |
| 03/30/13 | Lagoon Valley Half Marathon/10k/5k | 5K 10K 13.1M | Vacaville, CA |
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