| 11 Apr 2026 |
South Downs Way 50 (50 Miles) |
Worthing, England, United Kingdom |
| 11 Apr 2026 |
Mad City Ultras (50k|100k) |
Madison, Wisconsin, United States |
| 11-12 Apr 2026 |
Hogeye Marathon (Marathon|Half Marathon|5K|10K) |
Springdale, Arkansas, United States |
| 11 Apr 2026 |
Oriflamme 50k (50km) |
Julian, California, United States |
| 11 Apr 2026 |
Run Sunset Beach (5K|Half Marathon) |
Sunset Beach, North Carolina, United States |
| 11 Apr 2026 |
Ultra-Trail Austrailia (50k|100k) |
Katoomba, New South Wales, Australia |
| 14 Apr 2026 |
Mountains 2 Beach (Marathon|Half-Marathon) |
Ojai, California, United States |
| 14 Apr 2026 |
King Offa's Dyke Race (185 Miles) |
Forest Of Dean, England, United Kingdom |
| 17 Apr 2026 |
Double Top 100 Stone Anvil (100 Miler) |
Hasslers Mill, Georgia, United States |
| 18 Apr 2026 |
Leona Divide (50 Miler|100 Miler|100K|50K|30K) |
Lake Hughes, California, United States |
| 18 Apr 2026 |
Zane Grey (100K) |
Pine, Arizona, United States |
| 18 Apr 2026 |
Dunes 100 (100 Miler) |
Hell Gate, Florida, United States |
| 18 Apr 2026 |
Hyner Trail Challenge (25K|50K) |
Hyner, Pennsylvania, United States |
| 18 Apr 2026 |
Rattler Trail Races (25K|10K) |
Colorado Springs, Colorado, United States |
| 18 Apr 2026 |
Chester Ultra 100 (100 Miles) |
Waverton, England, United Kingdom |
| 19 Apr 2026 |
Devon Coast to Coast (117 Miles) |
South Hams, England, United Kingdom |
| 20 Apr 2026 |
Boston Marathon (Marathon) |
Boston, Massachusetts, United States |
| 25 Apr 2026 |
C&O Canal 100 (100 Miles) |
Water Acres, Maryland, United States |
| 26 Apr 2026 |
Big Sur International Marathon (Marathon) |
Big Sur, California, United States |
| 26 Apr - 06 Jun 2026 |
PCT 50 (50 Miler|Training Run #1|Training Run #2) |
Cleveland National Forest, California, United States |