| 11 Sep 2026 |
Superior Fall Trail Race (100 Miles) |
Castle Danger, Minnesota, United States |
| 12 Sep 2026 |
Robin Hood 100 (100 Miles) |
Bassetlaw, England, United Kingdom |
| 12 Sep 2026 |
Bachelor Ascent (50K|28K|16K|Vertical 5K) |
Bend, Oregon, United States |
| 12-13 Sep 2026 |
Mogollon Monster (100 Miler|42K) |
Pine, Arizona, United States |
| 12 Sep 2026 |
The Hawk Hundred (100 Miler|50 Miler|Marathon) |
Kanwaka, Kansas, United States |
| 12 Sep 2026 |
Haliburton Forest 100 (100 Miles) |
Dysart Et Al, Ontario, Canada |
| 12-13 Sep 2026 |
Finlayson Arm (28K|50K) |
Victoria, British Columbia, Canada |
| 13 Sep 2026 |
Fyfield Footpath 5K & 10K (10K|5K) |
Fyfield, Essex, United Kingdom |
| 17-27 Sep 2026 |
Mammoth Trail Fest (Dragon's Back Ascent|50k|26k) |
Mammoth Lakes, California, United States |
| 18-19 Sep 2026 |
Côte d'Azur (100M|100K|50K) |
Saint-étienne-de-tinée, Provence-Alpes-Côte-d’Azur, France |
| 18-19 Sep 2026 |
Run Rabbit Run (100 Mile Tortoises|50 Miler) |
Steamboat Springs, Colorado, United States |
| 19 Sep 2026 |
Pikes Peak Ascent & Marathon (Half Marathon|Marathon) |
Manitou Springs, Colorado, United States |
| 19 Sep 2026 |
Mountain Lakes 100 (100 Miler) |
Olallie Lake, Oregon, United States |
| 19 Sep 2026 |
Three Sisters Skyline (50K|1/2 Marathon) |
Deschutes County, Oregon, United States |
| 19 Sep 2026 |
Stagecoach (100M MTB|100M MTB) |
Coconino County, Arizona, United States |
| 19 Sep 2026 |
Chiltern Wonderland 50 (50 Miles) |
South Oxfordshire, England, United Kingdom |
| 20 Sep 2026 |
WHISTLER X TRI (Sprint Distance Bike|Championship Distance Run|Championship Distance Bike|Sprint Distance Run) |
Whistler, British Columbia, Canada |
| 20 Sep 2026 |
Sioux Falls Marathon (Marathon) |
Sioux Falls, South Dakota, United States |
| 25 Sep 2026 |
The Bear (100 Miler) |
Logan, Utah, United States |
| 25 Sep 2026 |
Yeti 100 Mile Endurance Run (100 Miler) |
Whitetop, Virginia, United States |