NUE Marathon (100K / 50 Miles) Series
| Race | Date | Location | Limit | Reg. Opens | ||
| 1. True Grit 50 | 15-Mar | Santa Clara, Utah | 1200 | OPEN | ||
| 2. Cohutta Big Frog 65 | 26 April | Ducktown, TN | 500 | 12/1/2024 | ||
| 3. Gigantes Small | 3 May | Castellon, ESP | 350 | 1/1/2024 | ||
| 4.Mohican MTB100K | 17 May | Loudonville, OH | 600 | OPEN | ||
| 5. Carrabassett 100k | 12-July | Carrabassett Valley, ME | 500 | 2/1/2025 | ||
| 6. Wilderness 101k | 26-July | State College, PA | 300 | 11/15/2024 | ||
| 7. Pierre’s Hole 100k | 2 Aug | Alta, WY | 600 | 12/1/24 | ||
| 8. Glory Days 50 | 16-Aug | Santa Fe, NM | 400 | 2/1/2024 | ||
| 9. Shenandoah 100k | 30-Aug | Harrison, VA | 330 | 11/15/24 | ||
| 10. Grizzly 75K | 13-Sept | Big Bear Lake, CA | 500 | 12/1/2024 | ||
| 11. Marji Gesick 50 | 20-Sept | Ishpheming, MI | 666 | Open |
12.Ring of Fire 100K 27 Sept Bend OR 250 Open
