Marathons in Idaho, United States
52 upcoming marathons listed in Idaho across 24 cities. Next: CDA Marathon on May 24, 2026.
- Upcoming
- 52 marathons
- Locations
- 24 cities
- Next date
- May 24, 2026
- Distances
- Marathon, Half marathon, 10K, 5K, Virtual, Ultra
| Date | Race | Location | Distances | Details |
|---|---|---|---|---|
| Wilson Creek Frozen 50k | Melba, Idaho, United States | 50K, 20 Miler, 10 Miler | View | |
| Race to Robie Creek® | Boise, Idaho, United States | Half Marathon | View | |
| Boise River Marathon | Eagle, Idaho, United States | Full Marathon, Half Marathon | View | |
| YMCA Famous Idaho Potato Marathon | Idaho, United States | Ultra Marathon, Full Marathon, Half Marathon | View |