| 18 Oct 2025 |
Quest for the Crest Trail Races (50K) |
Burnsville, North Carolina, United States |
| 19 Oct 2025 |
Leatherman's Loop (10k) |
Ward Pound Ridge Reservation, New York, United States |
| 25 Oct 2025 |
Javelina Jundred (100K|100 Miler) |
Fountain Hills, Arizona, United States |
| 25 Oct 2025 |
Ozark Trail 100 (100 Miles) |
Reynolds, Missouri, United States |
| 25 Oct 2025 |
The Legend Trail Run (13.1M|10M|5M) |
Laingsburg, Michigan, United States |
| 25 Oct 2025 |
Santa Cruz Island Eco Extreme (21K) |
Santa Barbara County, California, United States |
| 25 Oct 2025 |
Oakland Hills Trail Run (1/2 Marathon|35K) |
Oakland, California, United States |
| 25 Oct 2025 |
Range of Light Trail Races (50k|33k|10k|5k) |
Bishop, California, United States |
| 25 Oct 2025 |
Kansas Rails to Trails (100 Miler) |
Ottawa, Kansas, United States |
| 25 Oct 2025 |
RFYL (5k) |
Bozeman, Montana, United States |
| 26 Oct 2025 |
Las Vegas Marathon (Marathon|Half|702 Race) |
Clark County, Nevada, United States |
| 26 Oct 2025 |
The Giants Foundation 5k presented by Quest (1 Mile Fun Run|5k) |
East Rutherford, New Jersey, United States |
| 26 Oct 2025 |
Tussey Mountainback (50 Miler) |
Harris Township, Pennsylvania, United States |
| 01 Nov 2025 |
Tarawera Ultramarathon (102k|21k|50k|100 Miles) |
Rotorua, Bay of Plenty, New Zealand |
| 1-2 Nov 2025 |
Skippo - ICC Version (30k|10k|Half Marathon) |
Saint Charles County, Missouri, United States |
| 01 Nov 2025 |
Screaming Monkey 100 (100 Miler) |
Preston, Louisiana, United States |
| 1-2 Nov 2025 |
The Skippo (10K - Alternate|Half Marathon|10k|Course Monitors and Aid Station Locations|Half-Marathon - Alternate) |
Ballwin, Missouri, United States |
| 01 Nov 2025 |
Pinhoti Trail Runs (Pinhoti 100) |
Cleburne, Alabama, United States |
| 01 Nov 2025 |
Santa Clarita Trail Race (10K|5K|28K|Half Marathon) |
Santa Clarita, California, United States |
| 04 Nov 2025 |
Route 66 Ultrarun (Route 66 Ultrarun) |
Seligman, Arizona, United States |