| 13 Apr 2025 |
Mountains 2 Beach (Marathon|Half-Marathon) |
Ojai, California, United States |
| 16 Apr 2025 |
Double Top 100 Stone Anvil (100 Miler) |
Hasslers Mill, Georgia, United States |
| 19 Apr 2025 |
Hyner Trail Challenge (25K|50K) |
Hyner, Pennsylvania, United States |
| 19 Apr 2025 |
Dunes 100 (100 Miler) |
Hell Gate, Florida, United States |
| 19 Apr 2025 |
Rattler Trail Races (25K|10K) |
Colorado Springs, Colorado, United States |
| 19 Apr 2025 |
Zane Grey (100K) |
Pine, Arizona, United States |
| 21 Apr 2025 |
Boston Marathon (Marathon) |
Boston, Massachusetts, United States |
| 25-26 Apr 2025 |
The Canyons Endurance Runs (25K|50K|100K|100 Miles) |
Foresthill, California, United States |
| 26 Apr 2025 |
Redwood Ultra 12/6/3 Hours (Redwood Ultra Course) |
Yorba Linda, California, United States |
| 26 Apr 2025 |
Sinister Night Runs (27K|6K|18K|9K|54K) |
Pinal County, Arizona, United States |
| 26 Apr 2025 |
C&O Canal 100 (100 Miles) |
Water Acres, Maryland, United States |
| 26 Apr 2025 |
Royal Gorge Groove (20K|50K|5K|12.5K|30K) |
Buckskin Joe, Colorado, United States |
| 26 Apr 2025 |
END-SURE (100 Miler) |
Power, North Dakota, United States |
| 26 Apr 2025 |
Kiwi Walk and Run Tauranga (Long|Short|Mid) |
Tauranga, Bay of Plenty, New Zealand |
| 26 Apr 2025 |
Ultra-Trail Austrailia (50k|100k) |
Katoomba, New South Wales, Australia |
| 26 Apr 2025 |
Trail Weekend (50K|13.1M|5M|26.2M) |
Gregory, Michigan, United States |
| 27 Apr 2025 |
Big Sur International Marathon (Marathon) |
Big Sur, California, United States |
| 27 Apr 2025 |
Eugene Marathon (Marathon|Half) |
Eugene, Oregon, United States |
| 27 Apr 2025 |
Vancouver Sun Run (10 K) |
Vancouver, British Columbia, Canada |
| 01 May 2025 |
Mohican 100 (100M) |
Loudonville, Ohio, United States |