| 12 Apr 2025 |
Leona Divide (50 Miler|100 Miler|100K|50K) |
Lake Hughes, California, United States |
| 12 Apr 2025 |
Silver Moon Race (6-Hours|100-Miles|24-Hours|12-Hours) |
Reedley, California, United States |
| 12 Apr 2025 |
Dirty Kiln Trail Races - REVERSE (Short Course - 10K|Long Course - (Second Loop aka The Back Half)) |
Hollidaysburg, Pennsylvania, United States |
| 12 Apr 2025 |
Silver Moon Race (100 Miles) |
Fresno County, California, United States |
| 12 Apr 2025 |
Zion Ultras (50 K|Half Marathon|100 Mile|100 K) |
Virgin, Utah, United States |
| 12 Apr 2025 |
Run Sunset Beach (5K|Half Marathon) |
Sunset Beach, North Carolina, United States |
| 12-13 Apr 2025 |
Hogeye Marathon (5K|Marathon|Half Marathon|10K) |
Springdale, Arkansas, United States |
| 12 Apr 2025 |
Oriflamme 50k (50km) |
Julian, California, United States |
| 12 Apr 2025 |
Mad City Ultras (50k|100k) |
Madison, Wisconsin, United States |
| 13 Apr 2025 |
Bend Marathon (Marathon) |
Bend, Oregon, United States |
| 13 Apr 2025 |
Mountains 2 Beach (Marathon|Half-Marathon) |
Ojai, California, United States |
| 13 Apr 2025 |
Peterson Ridge Rumble (40 Miler|20 Miler) |
Sisters, Oregon, United States |
| 18 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 |
Rattler Trail Races (25K|10K) |
Colorado Springs, Colorado, United States |
| 19 Apr 2025 |
Dunes 100 (100 Miler) |
Hell Gate, Florida, 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 |
Ultra-Trail Austrailia (50k|100k) |
Katoomba, New South Wales, Australia |