Marathon directory
Marathons in Iowa, United States
54 upcoming marathons listed in Iowa across 1 city. Next: Ninja 5K, 10K, & 13.1M at Des Moines, IA on August 8, 2026.
54marathons upcoming
1city
August 8, 2026Next race
Marathon, Half marathon, Ultra, 10K, 5K, RelayDistances
Washington, Iowa, United States
24APR
42.2K
Kewash Marathon, Half Marathon, 10K & 5K
Washington, Iowa, United States
APR
Des Moines, Iowa, United States
01MAY
42.2K
Des Moines Women's Half Marathon, 10K & 5K
Des Moines, Iowa, United States
MAY
Riceville, Iowa, United States
01MAY
ULTRA
IronHorse - USATF Certified & Sanctioned
Riceville, Iowa, United States
MAY
Iowa, United States
02MAY
ULTRA
Palisades Punisher or Promenade
Iowa, United States
MAY
Des Moines, Iowa, United States
08MAY
ULTRA
Market to Market Relay Iowa
Des Moines, Iowa, United States
MAY
Sioux City, Iowa, United States
11MAY
42.2K
Prairie Series - IA
Sioux City, Iowa, United States
MAY
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Cities listed in Iowa
Cities
| Place | Marathons |
|---|---|
| Des Moines | 1 |
Planning notes for Iowa, United States
Use this region page to shortlist 54 upcoming races by date, distance, registration path, and official source.
- Next raceNinja 5K, 10K, & 13.1M at Des Moines, IA on August 8, 2026
- Busy monthsOctober (17), September (13), August (8)
- DistancesMarathon, Half marathon, Ultra, 10K, 5K, Relay
- VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.