| 02 Oct 2021 |
Rock/Creek Stump Jump (50K) |
Chattanooga, Tennessee, United States |
| 03 Oct 2021 |
11 Miles to Paradise (10.6 Mile ) |
Paradise, Montana, United States |
| 03 Oct 2021 |
Field Station Frenzy 5K Trail Run & Walk (5K) |
Porter, Indiana, United States |
| 03 Oct 2021 |
FVBR Bear Mountain Inaugural Race (Long Course - Bear and Red 24km|Short Course - Bear 11 km) |
Mission, British Columbia, Canada |
| 03 Oct 2021 |
Twin Cities Marathon (Marathon) |
Minneapolis, Minnesota, United States |
| 03 Oct 2021 |
Black Forest Ultra (100 km) |
North Bend, Pennsylvania, United States |
| 05 Oct 2021 |
White Rose Ultra (100 Miles) |
Kirklees, England, United Kingdom |
| 08 Oct 2021 |
Moab 240 Endurance Run (238 Miler) |
Moab, Utah, United States |
| 09 Oct 2021 |
Shawnee 50 Mile Trail Run (50 Miler) |
West Portsmouth, Ohio, United States |
| 09 Oct 2021 |
Tesla Hertz Run (100 Miler) |
Suffolk County, New York, United States |
| 09 Oct 2021 |
Rocky Peak Trail Races (50K) |
Simi Valley, California, United States |
| 09 Oct 2021 |
Arkansas Marathon (Arkansas Marathon) |
Booneville, Arkansas, United States |
| 9-10 Oct 2021 |
Midstate Massive Ultra Trail (50 Miler|30 Miler|100 Miler) |
New Ipswich, New Hampshire, United States |
| 09 Oct 2021 |
Indiana Trail 100 Mile (100 Miles) |
Egans Point, Indiana, United States |
| 09 Oct 2021 |
Sean O'Brien 100K/50M (100K|50 Miler) |
Calabasas, California, United States |
| 09 Oct 2021 |
Canal Corridor 100 (100 Miler) |
Akron, Ohio, United States |
| 9-10 Oct 2021 |
Midstate Massive Ultra Trail (100 Miler|50 Miler|30 Miler) |
Charlton, Massachusetts, United States |
| 10 Oct 2021 |
Paine to Pain (Half Marathon) |
Westchester County, New York, United States |
| 10 Oct 2021 |
Steamtown Marathon (26.2 Miles) |
Forest City, Pennsylvania, United States |
| 10 Oct 2021 |
Chicago Marathon (Marathon) |
Chicago, Illinois, United States |