| 19 Apr 2025 |
Rattler Trail Races (25K|10K) |
Colorado Springs, Colorado, United States |
| 19 Apr 2025 |
Zane Grey (100K) |
Pine, Arizona, United States |
| 19 Apr 2025 |
Dunes 100 (100 Miler) |
Hell Gate, Florida, 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 |
Kiwi Walk and Run Tauranga (Long|Short|Mid) |
Tauranga, Bay of Plenty, New Zealand |
| 26 Apr 2025 |
Royal Gorge Groove (20K|50K|5K|12.5K|30K) |
Buckskin Joe, Colorado, United States |
| 26 Apr 2025 |
C&O Canal 100 (100 Miles) |
Water Acres, Maryland, United States |
| 26 Apr 2025 |
Ultra-Trail Austrailia (50k|100k) |
Katoomba, New South Wales, Australia |
| 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 |
| 27 Apr 2025 |
Eugene Marathon (Marathon) |
Eugene, Oregon, United States |
| 27 Apr 2025 |
Big Sur International Marathon (Marathon) |
Big Sur, California, United States |
| 27 Apr 2025 |
Vancouver Sun Run (10 K) |
Vancouver, British Columbia, Canada |
| 01 May 2025 |
Mohican 100 (100M) |
Loudonville, Ohio, United States |
| 02 May 2025 |
Coyote Two Moon (100 Miler|100K|30K) |
Ojai, California, United States |
| 02 May 2025 |
Salt Flats Endurance Runs (100 Miler|50 Miler) |
Wendover, Utah, United States |
| 02 May 2025 |
Kennet & Avon Canal (145 Miles) |
Bristol, England, United Kingdom |
| 03 May 2025 |
Hollywood to the Sea Road & Trail Relay (75 Miles) |
Los Angeles, California, United States |
| 3-4 May 2025 |
Klipspringer Challenge (Lite Day 1|Lite Day 2|Challenge Day 1|Challenge Day 2) |
Augrabies, Northern Cape, South Africa |