| 24 Aug 2025 |
Santa Rosa Marathon (Half|Marathon) |
Santa Rosa, California, United States |
| 5-6 Sep 2025 |
Lost Soul Ultra (50K|100K|100 Mile) |
Lethbridge, Alberta, Canada |
| 05 Sep 2025 |
Woodstock Festival (Hallucination 100 Mile) |
Livingston County, Michigan, United States |
| 5-6 Sep 2025 |
Run Woodstock (50K|26.2M|13.1M|5M|50M|100M|100K) |
Gregory, Michigan, United States |
| 5-7 Sep 2025 |
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 |
| 05 Sep 2025 |
Superior Fall Trail Race (100 Miles) |
Castle Danger, Minnesota, United States |
| 06 Sep 2025 |
The Hawk Hundred (100 Miler|50 Miler|Marathon) |
Kanwaka, Kansas, United States |
| 6-7 Sep 2025 |
Finlayson Arm (28K|50K) |
Victoria, British Columbia, Canada |
| 6-7 Sep 2025 |
Mogollon Monster (42K|100 Miler) |
Pine, Arizona, United States |
| 06 Sep 2025 |
Haliburton Forest 100 (100 Miles) |
Dysart Et Al, Ontario, Canada |
| 12-14 Sep 2025 |
The Rut Mountain Runs (VK|11k|28k|50k) |
Big Sky, Montana, United States |
| 14-16 Sep 2025 |
Tor Des Geants (130k|330k) |
Gressoney-saint-jean, Aosta Valley, Italy |
| 14 Sep 2025 |
Fyfield Footpath 5K & 10K (10K|5K) |
Fyfield, Essex, United Kingdom |
| 18-21 Sep 2025 |
Mammoth Trail Fest (Dragon's Back Ascent|50k|26k) |
Mammoth Lakes, California, United States |
| 20 Sep 2025 |
Sangre de Cristo (100 Miler) |
Custer County, Colorado, United States |
| 20 Sep 2025 |
Three Sisters Skyline (50K|1/2 Marathon) |
Deschutes County, Oregon, United States |
| 20 Sep 2025 |
Be The Light 5K (10K|5K) |
Valencia, California, United States |
| 20 Sep 2025 |
Chiltern Wonderland 50 (50 Miles) |
South Oxfordshire, England, United Kingdom |
| 20 Sep 2025 |
Whangamatā Half Marathon (5km|10km|Half Marathon) |
Whangamatā, Waikato, New Zealand |
| 20 Sep 2025 |
Mountain Lakes 100 (100 Miler) |
Olallie Lake, Oregon, United States |