Marathons in Iowa, United States 2026
42.2 kilometres (26.2 miles) — the classic endurance test. Browse upcoming events in United States.
4 upcoming races
Upcoming Races
Running
Alzheimer's 5K and Half Marathon - 14th Annual
Aug 15, 2026Dubuque, USA
Run 5 m
Running
Clinton Half Marathon, 10K, 5K Run/Walk - 15th Annual
Sep 13, 2026Clinton, USA
Run 10 m
Running
Harvest Half Marathon and 10K
Oct 3, 2026Sioux Center, USA
Run 10 m
Running
Cedar Rapids Marathon Weekend - Early Bird
Apr 25, 2027Cedar Rapids, USA
Run 42 m