| 10-11 Oct 2025 |
Kodiak (21K|10K|100K|50K|100 Miler) |
Big Bear Lake, California, United States |
| 10 Oct 2025 |
Moab 240 Endurance Run (240 Miler) |
Moab, Utah, United States |
| 11-12 Oct 2025 |
Midstate Massive Ultra Trail (30 Miler|50 Miler|100 Miler) |
Charlton, Massachusetts, United States |
| 11 Oct 2025 |
Kiwi Walk and Run Hawkes Bay (Church Road) (Long|Short|Mid) |
Napier, Hawke’s Bay, New Zealand |
| 11-12 Oct 2025 |
Midstate Massive Ultra Trail (30 Miler|100 Miler|50 Miler) |
New Ipswich, New Hampshire, United States |
| 12 Oct 2025 |
Toronto Waterfront Marathon (5K|Half Marathon|Marathon) |
Old Toronto, Ontario, Canada |
| 12 Oct 2025 |
Chicago Marathon (Marathon) |
Chicago, Illinois, United States |
| 12 Oct 2025 |
Steamtown Marathon (26.2 Miles) |
Forest City, Pennsylvania, United States |
| 12 Oct 2025 |
Paine to Pain (Half Marathon) |
Westchester County, New York, United States |
| 17 Oct 2025 |
Mines of Spain 100 (100K|100 Miler) |
Dubuque, Iowa, United States |
| 17 Oct 2025 |
Pony Express Trail Run (50 Miler|100 Miler) |
West Of Faust, Utah, United States |
| 18 Oct 2025 |
Deerfly Trail Race (11k|6k) |
Fayetteville, North Carolina, United States |
| 18 Oct 2025 |
Kiwi Walk and Run Rotorua (Long|Mid|Short) |
Rotorua, Bay of Plenty, New Zealand |
| 18 Oct 2025 |
SPACEROCK Trail Race (15K|5K|10K|Half Marathon) |
Agua Dulce, California, United States |
| 18 Oct 2025 |
Autumn 100 (100 Miles) |
Streatley, England, United Kingdom |
| 18 Oct 2025 |
Savage 100 (100 Miles|100k) |
Savage, Minnesota, United States |
| 25 Oct 2025 |
The Legend Trail Run (13.1M|10M|5M) |
Laingsburg, Michigan, United States |
| 01 Nov 2025 |
Screaming Monkey 100 (100 Miler) |
Preston, Louisiana, United States |
| 04 Nov 2025 |
Route 66 Ultrarun (Route 66 Ultrarun) |
Seligman, Arizona, United States |
| 08 Nov 2025 |
Indianapolis Monumental Marathon (Marathon) |
Indianapolis, Indiana, United States |