| 23 May 2026 |
Nanny Goat 100 (100 Miler) |
Riverside, California, United States |
| 23 May 2026 |
Grand Union Canal (145 Miles) |
Birmingham, England, United Kingdom |
| 23-25 May 2026 |
Stumptown Trail Runs (1/2 Marathon|50K) |
Portland, Oregon, United States |
| 24 May 2026 |
Calgary Marathon (Half Marathon|Kid's Run|5K|10K|50K|Marathon) |
Calgary, Alberta, Canada |
| 30 May 2026 |
Sonoma Coast Trail Runs (Half Marathon|50K|30K|Trail Marathon) |
Sonoma County, California, United States |
| 30 May 2026 |
Worlds End Ultramarathon (50k|100k) |
Forksville, Pennsylvania, United States |
| 30 May 2026 |
Run Comfy Numb Trail Run (RCN 25K|RCN 50K ) |
Whistler, British Columbia, Canada |
| 30 May 2026 |
Xterra Crystal Cove Trail Run (15k|6k) |
Newport Beach, California, United States |
| 30 May 2026 |
Smith Rock Classic (10 Mile|50K|50 Mile) |
Jefferson County, Oregon, United States |
| 30 May 2026 |
Worlds End Ultramarathon 100K - 2025 (100K) |
Forksville, Pennsylvania, United States |
| 30 May 2026 |
Xterra Topanga Turkey Trot (10k|5k|15k) |
Topanga, California, United States |
| 31 May 2026 |
Saskatchewan Marathon (42.2k|5k|21.1.k|10k) |
Saskatoon, Saskatchewan, Canada |
| 31 May 2026 |
Rock 'n' Roll San Diego (Half|Marathon) |
San Diego, California, United States |
| 5-6 Jun 2026 |
SAMO 100 Mile/100k (100 Miler|100K) |
Malibu, 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 |
Malibu Canyon Trail Races (30K|50K|50 mile |Half Marathon|100K) |
Malibu, California, 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 |
| 06 Jun 2026 |
Huron 100 (Huron 100 Endurance Run |Waterloo-Pinckney 50) |
Grass Lake, Michigan, United States |