| 23 May 2026 |
Nanny Goat 100 (100 Miler) |
Riverside, California, United States |
| 24 May 2026 |
Calgary Marathon (Half Marathon|Kid's Run|5K|10K|50K|Marathon) |
Calgary, Alberta, Canada |
| 30 May 2026 |
Worlds End Ultramarathon 100K - 2025 (100K) |
Forksville, Pennsylvania, United States |
| 30 May 2026 |
Smith Rock Classic (10 Mile|50K|50 Mile) |
Jefferson County, Oregon, United States |
| 30 May 2026 |
Worlds End Ultramarathon (50k|100k) |
Forksville, Pennsylvania, United States |
| 30 May 2026 |
Xterra Crystal Cove Trail Run (15k|6k) |
Newport Beach, California, United States |
| 30 May 2026 |
Xterra Topanga Turkey Trot (10k|5k|15k) |
Topanga, California, United States |
| 30 May 2026 |
Sonoma Coast Trail Runs (Half Marathon|50K|30K|Trail Marathon) |
Sonoma County, California, United States |
| 31 May 2026 |
Rock 'n' Roll San Diego (Half|Marathon) |
San Diego, California, United States |
| 05 Jun 2026 |
Hell Hole Hundred (100M) |
Charleston, South Carolina, United States |
| 06 Jun 2026 |
Warhammer 100 (100 Miler) |
Slade, Kentucky, United States |
| 06 Jun 2026 |
River of No Return (53k) |
Challis City Park, Idaho, United States |
| 06 Jun 2026 |
Pembrokeshire 100 (100 Miles) |
Dale, Wales, United Kingdom |
| 07 Jun 2026 |
Seaside Marathon (Marathon|5K|Half|10K) |
Sea Cliff, California, United States |
| 13 Jun 2026 |
Kettle Moraine 100 Endurance Run (100K|100 Miler) |
Whitewater, Wisconsin, United States |
| 13 Jun 2026 |
South Downs Way 100 (100 Miles) |
Winchester, England, United Kingdom |
| 13 Jun 2026 |
Mary's Peak Trail Run (50K|25K|50 Miler) |
Blodgett, Oregon, United States |
| 14 Jun 2026 |
Tahoe 100K (100K) |
Douglas County, Nevada, United States |
| 14 Jun 2026 |
Tahoe 200 (200 Miler) |
Washoe County, Nevada, United States |
| 20 Jun 2026 |
Sugar Daddy Race (Kids Fun Run|Half Marathon|10K|5K) |
Santa Clarita, California, United States |