| 03 Jan 2026 |
Tuscobia Winter Ultra (80 Miles) |
Park Falls, Wisconsin, United States |
| 07 Jan 2026 |
Griffith Park Resolution Run (Half Marathon|5K|12K) |
Los Angeles, California, United States |
| 09 Jan 2026 |
Frozen H3 (100 Miler) |
Charleston, South Carolina, United States |
| 10 Jan 2026 |
San Diego 50 & Trail Runs (Marathon/Relay|50 Miler|Heavy Half Marathon|10 Miler) |
San Diego, California, United States |
| 10 Jan 2026 |
Bandera Endurance Run (25k|100k|50k) |
Bandera, Texas, United States |
| 10 Jan 2026 |
Avalon 50k/50m (50K|50 Miler) |
Avalon, California, United States |
| 11 Jan - 22 Feb 2026 |
Brabantse Waltrail (45 km|15 km|30 km|5 km|10 km) |
Bergen Op Zoom, North Brabant, Netherlands |
| 17 Jan 2026 |
Long Haul 100 (100 Miler) |
Ehren, Florida, United States |
| 17 Jan 2026 |
Coldwater Rumble (100 Miler) |
Goodyear, Arizona, United States |
| 18 Jan 2026 |
Carlsbad Full & Half Marathon (Half Marathon) |
Carlsbad, California, United States |
| 24 Jan 2026 |
La Cuesta Ranch Trail Run (25K|10K|50K) |
San Luis Obispo, California, United States |
| 24 Jan 2026 |
Be Their Voice 5k (5k) |
Fayetteville, North Carolina, United States |
| 25 Jan 2026 |
Calico Trail Run (50K) |
San Bernardino County, California, United States |
| 26 Jan 2026 |
Arrowhead 135 (135M Veteran) |
International Falls, Minnesota, United States |
| 31 Jan 2026 |
Castlewood Cup (15k - Plan A - Course Monitors|Plan B|15k - Plan-A|Plan B - Course Monitors) |
Ballwin, Missouri, United States |
| 31 Jan 2026 |
AZT Oracle Rumble (1/2 Marathon|50K) |
Oracle, Arizona, United States |
| 31 Jan 2026 |
Sean O'Brien (30K|100K|50 Miler|50K|26.2) |
Calabasas, California, United States |
| 7-14 Feb 2026 |
Black Canyon Ultras (100K|60K) |
Spring Valley, Arizona, United States |
| 07 Feb 2026 |
Mill Stone 50K (50K) |
Fort Mill, South Carolina, United States |
| 07 Feb 2026 |
Elephant Mountain Trail Runs (22K|35K|12K|50K|50 Miler) |
Cave Creek, Arizona, United States |