| 03 Jan 2026 |
Tuscobia Winter Ultra (80 Miles) |
Park Falls, Wisconsin, United States |
| 09 Jan 2026 |
Frozen H3 (100 Miler) |
Charleston, South Carolina, 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 |
| 17 Jan 2026 |
Coldwater Rumble (100 Miler) |
Goodyear, Arizona, United States |
| 17 Jan 2026 |
Long Haul 100 (100 Miler) |
Ehren, Florida, 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 |
| 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 |
Castlewood Cup (Plan B - Course Monitors|15k - Plan A - Course Monitors|Plan B|15k - Plan-A) |
Ballwin, Missouri, 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 |
| 13 Feb 2026 |
Jackpot Ultra Running Festival (100 Mile Short Course) |
Henderson, Nevada, United States |
| 14 Feb 2026 |
The Ranch 50k (50k|1/2 Marathon) |
Escondido, California, United States |
| 14-15 Feb 2026 |
Chianti Ultra Trail (UTCC|CUT|CMT|CHT) |
Radda In Chianti, Tuscany, Italy |
| 14 Feb 2026 |
Outlaw 100 Oklahoma (50 Miler) |
Latimer County, Oklahoma, United States |
| 21 Feb 2026 |
FOURmidable (50K|35.5K) |
Auburn, California, United States |
| 21 Feb 2026 |
Lake Ouachita Vista Trail (100 Miler) |
Joplin, Arkansas, United States |