| 16 May 2020 |
Sun Mountain (50K) |
Winthrop, Washington, United States |
| 16 May 2020 |
Massanutten Mountain Trails 100 (100 Miler) |
Kings Crossing, Virginia, United States |
| 16 May 2020 |
Keys 100 (100 Miles) |
Newport, Florida, United States |
| 16 May 2020 |
Ultra-Trail Austrailia (100k|50k) |
Katoomba, New South Wales, Australia |
| 16 May 2020 |
Quest for the Crest Trail Races (50K) |
Burnsville, North Carolina, United States |
| 16 May 2020 |
PCT 50 (50 Miler) |
Cleveland National Forest, California, United States |
| 16 May 2020 |
Tyne Trail South (70k) |
Eden, England, United Kingdom |
| 16 May 2020 |
Run Sunset Beach (Half Marathon|5K) |
Sunset Beach, North Carolina, United States |
| 16 May 2020 |
Born to Run (100 Miler) |
Santa Ynez, California, United States |
| 17 May 2020 |
Ohlone (50K) |
Fremont, California, United States |
| 23-25 May 2020 |
Stumptown Trail Runs (1/2 Marathon|50K) |
Portland, Oregon, United States |
| 23 May 2020 |
Jemez Mountain (15 Miler|50 Miler|50K) |
Los Alamos, New Mexico, United States |
| 23 May 2020 |
Nanny Goat 100 (100 Miler) |
Riverside, California, United States |
| 23 May 2020 |
Grand Union Canal (145 Miles) |
Birmingham, England, United Kingdom |
| 23 May 2020 |
Survival of the Fittest 35k (35k) |
Squamish, British Columbia, Canada |
| 23 May 2020 |
Booneville Backroads Ultra (100 Miler) |
Waukee, Iowa, United States |
| 23 May 2020 |
Pigtails Challenge (100 Miler) |
King County, Washington, United States |
| 23 May 2020 |
Sulphur Springs Trail Race (100 Miles) |
Hamilton, Ontario, Canada |
| 23 May 2020 |
Zegama-Aizkorri (Marathon) |
Zegama, Basque Country, Spain |
| 23 May 2020 |
Survival of the Fittest 18k (18k) |
Squamish, British Columbia, Canada |