| 22 Mar 2025 |
Ohio's Backyard Ultra (Last Person Standing - Day Course|Last Person Standing - Night Course) |
Lucasville, Ohio, United States |
| 22 Mar 2025 |
Crown King Scramble (50K) |
Phoenix, Arizona, United States |
| 22 Mar 2025 |
Blackbeard's Revenge (100 Miler) |
Corrolla, North Carolina, United States |
| 22 Mar 2025 |
Prairie Spirit Trail (100 Miler) |
Ottawa, Kansas, United States |
| 22 Mar 2025 |
Northburn 100 (100 Miles) |
Pisa Moorings, Auckland, New Zealand |
| 23 Mar 2025 |
White Mountains 100 (100 Miler) |
Fairbanks, Alaska, United States |
| 28 Mar 2025 |
Badger Mountain Challenge (100 Miler|50 Miler) |
Richland, Washington, United States |
| 28 Mar 2025 |
Antelope Island Buffalo Run (100 Miler) |
Syracuse, Utah, United States |
| 29 Mar 2025 |
Kiwi Walk and Run Hamilton (Short|Long|Half|Mid) |
Hamilton, Waikato, New Zealand |
| 29 Mar 2025 |
GORTEX Grand Traverse (Grand Traverse) |
Crested Butte, Colorado, United States |
| 31 Mar 2025 |
Chuckanut 50k (50k) |
Bellingham, Washington, United States |
| 04 Apr 2025 |
Beyond Limits Ultra (100M) |
Henderson, Nevada, United States |
| 05 Apr 2025 |
Petersburg Half Marathon (5K|Half Marathon) |
Petersburg, Virginia, United States |
| 05 Apr 2025 |
Lake Martin 100 (100 Miler|50 Miler) |
Tallapoosa County, Alabama, United States |
| 05 Apr 2025 |
Two Oceans Marathon (56K|Half Marathon) |
Cape Town, Western Cape, South Africa |
| 05 Apr 2025 |
REVEL Mt. Hood (Half Marathon|Marathon) |
Portland, Oregon, United States |
| 05 Apr 2025 |
Chester Ultra 100 (100 Miles) |
Waverton, England, United Kingdom |
| 05 Apr 2025 |
Northern Traverse (190 Miles) |
Copeland, England, United Kingdom |
| 05 Apr 2025 |
Iron Furnace Trail Run (1/2 Marathon|5 Mile) |
Mcarthur, Ohio, United States |
| 5-12 Apr 2025 |
Whiskey Basin Trail Runs (57k|31k|92K|1/2 Marathon|10K) |
Prescott, Arizona, United States |