| 13 Apr 2023 |
Beyond Limits Ultra (100M) |
Henderson, Nevada, United States |
| 13 Apr 2023 |
Potowatomi (50 Miler) |
Pekin, Illinois, United States |
| 15-16 Apr 2023 |
Hogeye Marathon (5K|Marathon|Half Marathon|10K) |
Springdale, Arkansas, United States |
| 15 Apr 2023 |
Zion Ultras (50 K|Half Marathon|100 Mile|100 K) |
Virgin, Utah, United States |
| 15 Apr 2023 |
Two Oceans Marathon (56K|Half Marathon) |
Cape Town, Western Cape, South Africa |
| 15 Apr 2023 |
Winter Warrior Finland (Warrior Squad / Race Squad|Challenge) |
Ylläs, LL, Finland |
| 15 Apr 2023 |
Oriflamme 50k (50km) |
Julian, California, United States |
| 15 Apr 2023 |
Woodside/Purisima Creek Crossover (50K|35K) |
Redwood City, California, United States |
| 15 Apr 2023 |
Yakima Skyline Rim 50k (50K) |
Ellensburg, Washington, United States |
| 16 Apr 2023 |
Bitterroot Runoff Trail Runs (10 Mile|5 Mile|5k) |
Lolo, Montana, United States |
| 16 Apr 2023 |
Bend Marathon (Marathon) |
Bend, Oregon, United States |
| 16 Apr 2023 |
Vancouver Sun Run (10 K) |
Vancouver, British Columbia, Canada |
| 17 Apr 2023 |
Boston Marathon (Marathon) |
Boston, Massachusetts, United States |
| 19 Apr 2023 |
Double Top 100 Stone Anvil (100 Miler) |
Hasslers Mill, Georgia, United States |
| 21 Apr 2023 |
Dublin to Belfast (173 km) |
Dublin, Leinster, Ireland |
| 22 Apr 2023 |
Dunes 100 (100 Miler) |
Hell Gate, Florida, United States |
| 22 Apr 2023 |
Sinister Night Runs (6K|27K|18K|9K|54K) |
Pinal County, Arizona, United States |
| 22 Apr 2023 |
Mad City Ultras (100k|50k) |
Madison, Wisconsin, United States |
| 22 Apr 2023 |
Royal Gorge Groove (20K|50K|5K|12.5K|30K) |
Buckskin Joe, Colorado, United States |
| 22 Apr 2023 |
Hyner Trail Challenge (25K|50K) |
Hyner, Pennsylvania, United States |