Marathons in Iowa — 2026

There are 13 marathons in Iowa scheduled for 2026. The next is the Haunted 5K, 10K, 13.1M & 26.2M at Des Moines, IA (41) in Des Moines on October 10. Iowa marathons run primarily October.

IMT Des Moines Marathon

Sun, Oct 18 · Des Moines, IA Des Moines
Healthiest State Initiative 5k Presented by HealthPartnersBankers Trust 10KIMT Des Moines Half Marathon +2
From $25 Open Closing Soon
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IMT Des Moines Marathon - Early Bird

Sat, Oct 16 · Des Moines, IA Des Moines
Free Kids Run presented by Des Moines Children's MuseumFree Kids Run presented by Iowa Trail RunsIowa Heathiest State 5K Presented By HealthPartners +11
From $0 Open
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Des Moines 4 Bettendorf 3 Coon Rapids 1 Council Bluffs 1 Danville 1 Riceville 1 Washington 1 Cedar Rapids 1

All Iowa Races

View all running races in Iowa →