| 18 Apr 2026 |
Chester Ultra 100 (100 Miles) |
Waverton, England, United Kingdom |
| 18 Apr 2026 |
Hyner Trail Challenge (25K|50K) |
Hyner, Pennsylvania, United States |
| 18 Apr 2026 |
Zane Grey (100K) |
Pine, Arizona, United States |
| 18 Apr 2026 |
Rattler Trail Races (25K|10K) |
Colorado Springs, Colorado, United States |
| 19 Apr 2026 |
Devon Coast to Coast (117 Miles) |
South Hams, England, United Kingdom |
| 26 Apr 2026 |
Big Sur International Marathon (Marathon) |
Big Sur, California, United States |
| 26 Apr 2026 |
Eugene Marathon (Marathon|Half) |
Eugene, Oregon, United States |
| 1-3 May 2026 |
Coyote Two Moon (100 Miler|100K|30K|55K) |
Ojai, California, United States |
| 01 May 2026 |
Salt Flats Endurance Runs (100 Miler|50 Miler) |
Wendover, Utah, United States |
| 02 May 2026 |
Thames Path 100 (100 Miles) |
London, England, United Kingdom |
| 03 May 2026 |
Flying Pig Marathon (Marathon|Half|10K) |
Cincinnati, Ohio, United States |
| 03 May 2026 |
Sisters Country (Half Marathon|50K) |
Sisters, Oregon, United States |
| 4-8 May 2026 |
Cocodona (Sedona Canyons 125|Elden Crest 36|Cocodona 250) |
Rock Springs, Arizona, United States |
| 08 May 2026 |
San Diego 100 (100 Miler) |
Lake Cuyamaca, California, United States |
| 09 May 2026 |
Yosemite Half Marathon (Half Marathon) |
Yosemite National Park, California, United States |
| 15 May 2026 |
Infinitus (100 Miler) |
Goshen, Vermont, United States |
| 16 May 2026 |
North Downs Way 50 (50 Miles) |
Waverley, England, United Kingdom |
| 23 May 2026 |
Nanny Goat 100 (100 Miler) |
Riverside, California, United States |
| 30 May 2026 |
Worlds End Ultramarathon (50k|100k) |
Forksville, Pennsylvania, United States |
| 30 May 2026 |
Worlds End Ultramarathon 100K - 2025 (100K) |
Forksville, Pennsylvania, United States |