| 04 Sep 2021 |
Booneville Backroads Ultra (100 Miler) |
Waukee, Iowa, United States |
| 04 Sep 2021 |
Three Corner Rock PCT 50k (50K) |
Carson, Washington, United States |
| 05 Sep 2021 |
Lake Sonoma 100K (100k) |
Sonoma County, California, United States |
| 06 Sep 2021 |
Mt. Baldy Run to the Top (7 Miler) |
Mt. Baldy, California, United States |
| 10 Sep 2021 |
Superior Fall Trail Race (100 Miles) |
Castle Danger, Minnesota, United States |
| 10 Sep 2021 |
Laugavegur Marathon (55 K) |
Landmannalaugar, Southern, Iceland |
| 10 Sep 2021 |
Woodstock Festival (Hallucination 100 Mile) |
Livingston County, Michigan, United States |
| 10-11 Sep 2021 |
Lost Soul Ultra (100K|100 Mile|50K) |
Lethbridge, Alberta, Canada |
| 10-12 Sep 2021 |
Ultra-Trail Harricana du Canada (125 km|80 km|65 km|42 km|28 km|20 km|10 km|5 km) |
La Malbaie, Quebec, Canada |
| 10 Sep 2021 |
Tahoe 200 (200 Miler) |
Washoe County, Nevada, United States |
| 11 Sep 2021 |
Teanaway Country 100 (100 Miler) |
Kittitas County, Washington, United States |
| 11 Sep 2021 |
Haliburton Forest 100 (100 Miles) |
Dysart Et Al, Ontario, Canada |
| 11 Sep 2021 |
La Cuesta Ranch Trail Run (25K|50K) |
San Luis Obispo, California, United States |
| 11 Sep 2021 |
Pine Creek Challenge (100 Miler|100K) |
Marsh Creek, Pennsylvania, United States |
| 11 Sep 2021 |
IMTUF 100 (100 Miler) |
Mccall, Idaho, United States |
| 11 Sep 2021 |
Overlook Endurance Runs (50K|25K|50 Miler) |
Placer County, California, United States |
| 11-12 Sep 2021 |
Finlayson Arm (50K|28K) |
Victoria, British Columbia, Canada |
| 11 Sep 2021 |
Robin Hood 100 (100 Miles) |
Bassetlaw, England, United Kingdom |
| 11 Sep 2021 |
McKenzie River Trail Run (50K) |
Blue River, Oregon, United States |
| 11 Sep 2021 |
Mogollon Monster (100 Miler) |
Pine, Arizona, United States |