| 26 Jun 2021 |
San Juan Soltice 50 Mile Run (50 Miler) |
Lake City, Colorado, United States |
| 26 Jun 2021 |
Western States (100-Mile Endurance Run) |
Squaw Valley, California, United States |
| 27 Jun 2021 |
Marathon du Mont-Blanc (90 km|23 km|42 km) |
Chamonix-mont-blanc, Auvergne-Rhône-Alpes, France |
| 30 Jun 2021 |
Village Runner 4th of July Redondo Beach 5k (5k) |
Redondo Beach, California, United States |
| 04 Jul 2021 |
Scotiabank Vancouver Half Marathon & 5K (Half Marathon) |
Vancouver, British Columbia, Canada |
| 04 Jul 2021 |
4 on the 4th Road Race presented by Visions Federal Credit Union (4 miles) |
Endwell, New York, United States |
| 08 Jul 2021 |
Mountain Trails (Mountain Trails) |
South Lakeland, England, United Kingdom |
| 09 Jul 2021 |
Sinister 7 (100 Miles) |
Crowsnest Pass, Alberta, Canada |
| 10 Jul 2021 |
Silverheels 100 (100 Miler) |
Fairplay, Colorado, United States |
| 10 Jul 2021 |
Siskiyou Out Back (50 Miler|100K|50K) |
Jackson County, Oregon, United States |
| 10 Jul 2021 |
Grey Rock Trail Runs (50K|25K) |
Yakima, Washington, United States |
| 10 Jul 2021 |
Viaduct Trail Ultramarathon (100 Miles) |
Lanesboro, Pennsylvania, United States |
| 10 Jul 2021 |
Bitterroot Runoff Trail Runs (5 Mile|10 Mile) |
Lolo, Montana, United States |
| 10 Jul 2021 |
Silverton Alpin (Marathon|50K) |
Silverton, Colorado, United States |
| 10 Jul 2021 |
Beaverhead Endurance Runs (100K|55K) |
Salmon, Idaho, United States |
| 10 Jul 2021 |
Angeles National Forest Trail Race (25K|50K|60K) |
Los Angeles, California, United States |
| 10 Jul 2021 |
Leadville Silver Rush 50 (50 Miler) |
Leadville, Colorado, United States |
| 10-11 Jul 2021 |
Grit OCR (Claw - 8-Miles|Fang - 5-Miles) |
Santa Clarita, California, United States |
| 10 Jul 2021 |
Angel Creek 50 Miler (50 Miler) |
Fairbanks, Arkansas, United States |
| 10 Jul - 06 Aug 2021 |
Bigfoot 100k/40miler (100K|40 Miler) |
Cougar, Washington, United States |
| 10 Jul 2021 |
Honey Badger 100 (100 Miler) |
Cheney, Kansas, United States |
| 11 Jul 2021 |
Kendall Mountain Run (12 Miler) |
Silverton, Colorado, United States |
| 11 Jul 2021 |
Badwater 146 (Portal to Whitney|Badwater146) |
Inyo County, California, United States |
| 15 Jul 2021 |
TransGranCanaria (125K|42K|82K) |
Agaeta, Las Palmas, Spain |
| 16 Jul 2021 |
Hardrock Endurance Run (100 Miler) |
Silverton, Colorado, United States |
| 17 Jul 2021 |
Eiger Ultra Trail (E51|E35|E101|E16) |
Grindelwald, Bern, Switzerland |
| 17 Jul 2021 |
Tahoe Rim Trail Endurance Runs (55K|50 Miler|100 Miler) |
Carson City, Nevada, United States |
| 17 Jul 2021 - 16 Jul 2022 |
Palisades Ultra Trail Series (Marathon|50 Miler|1/2 Marathon|100 Miler) |
Irwin, Idaho, United States |
| 17 Jul 2021 |
The Peak (Half Marathon|Marathon|50k) |
Julian, California, United States |
| 18 Jul 2021 |
Shoreline Marathon (Half Marathon|Marathon) |
Ventura, California, United States |
| 19 Jul 2021 |
Badwater 135 (135 Miler) |
Death Valley, California, United States |
| 23-24 Jul 2021 |
Manning Park (10 km |1 mile ascent race|21 km) |
Manning Park, British Columbia, Canada |
| 23 Jul 2021 |
Kennet & Avon Canal (145 Miles) |
Bristol, England, United Kingdom |
| 24 Jul 2021 |
Harding Hustle (50K|30K) |
Modjeska, California, United States |
| 24 Jul 2021 |
Speedgoat (50K) |
Snowbird, Utah, United States |
| 24 Jul 2021 |
Buckin' Hell 30k (30k) |
North Vancouver, British Columbia, Canada |
| 24 Jul 2021 |
Swiss Alpine - Davos (47K|78K) |
Davos Platz, Graubünden, Switzerland |
| 24 Jul 2021 |
Elder Creek Trail Runs Half/30k/50k (Half marathon|30k|50k) |
Riverside County, California, United States |
| 24 Jul 2021 |
Buckin' Hell 50k (50k) |
North Vancouver, British Columbia, Canada |
| 24 Jul 2021 |
Standhope (60K) |
Ketchum, Idaho, United States |
| 24 Jul 2021 |
Elk Valley Ultra (50K) |
Fernie, British Columbia, Canada |
| 25 Jul 2021 |
Burning River (100 Miler) |
Cuyahoga Falls, Ohio, United States |
| 30-31 Jul 2021 |
Ressurection Pass Ultra Races (100 Miler|50 Miler) |
Kenai Peninsula, Alaska, United States |
| 30 Jul 2021 |
Never Summer (100K) |
Gould, Colorado, United States |
| 30-31 Jul 2021 |
Ressurection Pass Ultra Races (50 Miler|100 Miler) |
Kenai Peninsula, Alaska, United States |
| 30-31 Jul 2021 |
Ouray 100 & 50 Mile Endurance Run (100 Miler|50 Miler) |
Ouray, Colorado, United States |
| 31 Jul 2021 |
Pikes Peak Ultra (30k|50 Miler|50k) |
Colorado Springs, Colorado, United States |
| 31 Jul 2021 |
HURL Elkhorn (50K|50 Mile) |
Helena, Montana, United States |
| 31 Jul 2021 |
Elkhorn Crest 50 (50K|50 Miler) |
Sumpter, Oregon, United States |
| 31 Jul 2021 |
Badger 100 (100 Miler) |
Belleville, Wisconsin, United States |
| 31 Jul 2021 |
Canadian Death Race (125 km) |
Grande Cache, Alberta, Canada |
| 31 Jul 2021 |
Grand Mesa Ultras (50 Miler|55K) |
Grand Mesa, Colorado, United States |
| 31 Jul 2021 |
Beast of Burden (Summer) (100 Miler) |
Lockport, New York, United States |
| 31 Jul 2021 |
Lost and Found (30K|55K) |
Soda Springs, California, United States |
| 01 Aug 2021 |
Skyline 50k Endurance Run (50K) |
Castro Valley, California, United States |
| 06 Aug 2021 |
Beacons 100 (100 Miles) |
Brecon, Wales, United Kingdom |
| 6-7 Aug 2021 |
Silverton Ultra Dirty - 100M, 100K, and 60K (60K|100 Mile|100K - 2021) |
Silverton, Colorado, United States |
| 06 Aug 2021 |
Fat Dog 120 (40 Miler|120 Miler|70 Miler|50 Miler) |
Manning Park, British Columbia, Canada |
| 07 Aug 2021 |
Tromsø Skyrace (50 k) |
Tromsø, NO-19, Norway |
| 07 Aug 2021 |
El Vaquero Loco (50K|25K) |
Afton, Wyoming, United States |
| 07 Aug 2021 |
Snowbowl 15k (15k) |
Missoula, Montana, United States |
| 07 Aug 2021 |
Angeles Crest (100 Mile Endurance Run) |
Wrightwood, California, United States |
| 07 Aug 2021 |
Beacons 50 (50 Miles) |
Crickhowell, Wales, United Kingdom |
| 07 Aug 2021 |
Kat'cina Mosa 100K Mountain Run (100K) |
Springville, Utah, United States |
| 07 Aug 2021 |
North Downs Way 100 (100 Miles) |
Waverley, England, United Kingdom |
| 07 Aug 2021 |
Volcanic (50K) |
Cougar, Washington, United States |
| 09 Aug 2021 |
Ghost House Gallop / Spookhuis Galop ( Ghost House 21.1km|Ghost House Gallop 10k|5km Ghost House Gallop ) |
Erasmuskloof, Pretoria, GT, South Africa |
| 13 Aug 2021 |
Ute 100 Mile Trail Race (100 Miles) |
Old La Sal, Utah, United States |
| 13 Aug 2021 |
Bigfoot 200 (200 Miler) |
Mount Saint Helen's, Washington, United States |
| 13-14 Aug 2021 |
Swiss Alps 100 (160KM|50KM|100KM) |
Fiesch, Valais, Switzerland |
| 14 Aug 2021 |
Castle Peak 100k (100K) |
Truckee, California, United States |
| 14 Aug 2021 |
Eastern States 100 (100 miler) |
Waterville, Pennsylvania, United States |
| 14 Aug 2021 |
Lean Horse 100 (100 Miler) |
Custer, South Dakota, United States |
| 14-15 Aug 2021 |
Squamish 50 (50 mile|23 km|50 km) |
Squamish, British Columbia, Canada |
| 14 Aug 2021 |
Skyline Mountain (1/2 Marathon|55K|Marathon) |
Eden, Utah, United States |
| 14 Aug 2021 |
Cool Moon 100 (100 Miler) |
Pilot Hill, California, United States |
| 14 Aug 2021 |
Ultra Great Britain (215 Miles) |
Portpatrick, Scotland, United Kingdom |
| 14 Aug 2021 |
Habanero Hundred (100 Miler) |
Austin County, Texas, United States |
| 14 Aug 2021 |
Wawayanda Wonderful 100 (100 Miles) |
Wawayanda, New Jersey, United States |
| 15 Aug 2021 |
Connemara 100 (100 Miles) |
County Galway, Connacht, Ireland |
| 15 Aug 2021 |
Marlette 50K (50K) |
Lake Tahoe, Nevada, United States |
| 19 Aug 2021 |
Headlands Hundred (100 Miler) |
Marin City, California, United States |
| 21 Aug 2021 |
Leadville Trail 100 Run (100 Miles) |
Leadville, Colorado, United States |
| 21 Aug 2021 |
Post Canyon 50K (50K) |
Hood River, Oregon, United States |
| 21 Aug 2021 |
Moose Mountain Trail Races (42K|29K) |
Bragg Creek, Alberta, Canada |
| 21 Aug 2021 |
Twisted Branch Trail Run (100K) |
Naples, New York, United States |
| 21 Aug 2021 |
Waldo (100K) |
Oakridge, Oregon, United States |
| 21-22 Aug 2021 |
Pikes Peak Ascent & Marathon (Marathon|Half Marathon) |
Manitou Springs, Colorado, United States |
| 24-27 Aug 2021 |
Ultra Trail du Monte Blanc (CCC|TDS|UTMB) |
Chamonix-mont-blanc, Haute-Savoie, France |
| 28 Aug 2021 |
Shawnee Hills 100 (100K|50K|100 Miler) |
Ozark, Illinois, United States |
| 28 Aug 2021 |
Ultra Trail de Mexico (100k|50k) |
Huasca De Ocampo, Hidalgo, Mexico |
| 28 Aug 2021 |
Nut 100k & 50k (50k|100k) |
Rosebud, Oregon, United States |
| 28 Aug 2021 |
Leeds & Liverpool Canal (130 Miles) |
Liverpool, England, United Kingdom |
| 28 Aug 2021 |
Cascade Crest (100 Miler) |
Easton, Washington, United States |
| 28 Aug 2021 |
Oregon Cascades 100 (100 miles ) |
Sisters, Oregon, United States |
| 3-5 Sep 2021 |
The Rut Mountain Runs (50k|28k|11k|VK) |
Big Sky, Montana, United States |
| 04 Sep 2021 |
Snowdon Ultra (100 Miles|50 Miles) |
Betws Y Coed, Wales, United Kingdom |
| 04 Sep 2021 |
Wildcat 100 (100 Miler) |
Beulah, Florida, United States |
| 04 Sep 2021 |
Booneville Backroads Ultra (100 Miler) |
Waukee, Iowa, United States |
| 04 Sep 2021 |
Lake Sonoma 50 (50 Miler) |
Healdsburg, California, United States |