| 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 |
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 |
| 25 Apr 2026 |
Royal Gorge Groove (20K|50K|5K|12.5K|30K) |
Buckskin Joe, Colorado, United States |
| 26 Apr 2026 |
Big Sur International Marathon (Marathon) |
Big Sur, California, United States |
| 26 Apr 2026 |
Eugene Marathon (Marathon|Half) |
Eugene, Oregon, United States |
| 26 Apr - 06 Jun 2026 |
PCT 50 (50 Miler|Training Run #1|Training Run #2) |
Cleveland National Forest, California, United States |
| 01 May 2026 |
Salt Flats Endurance Runs (100 Miler|50 Miler) |
Wendover, Utah, United States |
| 1-3 May 2026 |
Coyote Two Moon (100 Miler|100K|30K|55K) |
Ojai, California, United States |
| 02 May 2026 |
Thames Path 100 (100 Miles) |
London, England, United Kingdom |
| 02 May 2026 |
Riverlands 100 (100 Miler) |
Auburn Plains, Maine, United States |
| 03 May 2026 |
Flying Pig Marathon (Marathon|Half|10K) |
Cincinnati, Ohio, United States |
| 03 May 2026 |
BMO Vancouver Marathon (Half Marathon|Marathon) |
Vancouver, British Columbia, Canada |
| 03 May 2026 |
Sisters Country (Half Marathon|50K) |
Sisters, Oregon, United States |
| 03 May 2026 |
Breakneck Point Trail Runs (21K|42K) |
Beacon, New York, United States |
| 4-8 May 2026 |
Cocodona (Sedona Canyons 125|Elden Crest 36|Cocodona 250) |
Rock Springs, Arizona, United States |
| 08 May 2026 |
Hellbender 100 (100-Miler) |
Old Fort, North Carolina, United States |