| 08 Mar 2025 |
Catalina Island Marathon (Marathon|10K|5K) |
Avalon, California, United States |
| 08 Mar 2025 |
Antelope Canyon (100 Miler) |
Page, Arizona, United States |
| 15 Mar 2025 |
Old West 50k, Marathon, and Half Marathon (50k|Marathon|Half Marathon) |
Julian, California, United States |
| 15 Mar 2025 |
Nine Trails 35 Mile Endurance Run (Half 17 Miler|35 Miler) |
Santa Barbara, California, United States |
| 15 Mar 2025 |
Ruck a Chuck 50k (50K) |
Foresthill, California, United States |
| 16 Mar 2025 |
Los Angeles Marathon (Marathon) |
Los Angeles, California, United States |
| 22 Mar 2025 |
Blackbeard's Revenge (100 Miler) |
Corrolla, North Carolina, United States |
| 22 Mar 2025 |
VALENCIA Trail Race (50K|10K|Half Marathon) |
Valencia, California, United States |
| 22 Mar 2025 |
Ohio's Backyard Ultra (Last Person Standing - Day Course|Last Person Standing - Night Course) |
Lucasville, Ohio, United States |
| 22 Mar 2025 |
Northburn 100 (100 Miles) |
Pisa Moorings, Auckland, New Zealand |
| 22 Mar 2025 |
Crown King Scramble (50K) |
Phoenix, Arizona, United States |
| 22 Mar 2025 |
Behind the Rocks (50 Miler|30K|50K) |
Moab, Utah, United States |
| 22 Mar 2025 |
Georgia's Death Race (68 miler) |
Blairsville, Georgia, United States |
| 28 Mar 2025 |
Badger Mountain Challenge (100 Miler|50 Miler) |
Richland, Washington, United States |
| 29 Mar 2025 |
GORTEX Grand Traverse (Grand Traverse) |
Crested Butte, Colorado, United States |
| 04 Apr 2025 |
Beyond Limits Ultra (100M) |
Henderson, Nevada, United States |
| 05 Apr 2025 |
Northern Traverse (190 Miles) |
Copeland, England, United Kingdom |
| 05 Apr 2025 |
Chester Ultra 100 (100 Miles) |
Waverton, England, United Kingdom |
| 05 Apr 2025 |
Umstead 100 (100 Miles) |
Raleigh, North Carolina, United States |
| 05 Apr 2025 |
Petersburg Half Marathon (5K|Half Marathon) |
Petersburg, Virginia, United States |