Half Marathons in Iowa — 2026

There are 4 half marathons in Iowa scheduled for 2026. The next is the EMC DAM to DSM in Polk City on May 30. Iowa half marathons run primarily May through September.

TRI Clear Lake 2026

Sat, Aug 29 · Clear Lake, IA Clear Lake
TRI Clear Lake Sprint Relay TeamTRI Clear Lake Triathlon SprintPRO/Elite Race Olympic Distance +2
From $50 Open
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Black Hawk YMCA Triathlon

Sun, Sep 13 · Waterloo, IA Waterloo
Black Hawk YMCA TriathlonBlack Hawk YMCA Triathlon RelayBlack Hawk YMCA 500m Open Water Swim
From $20 Open Closing Soon
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Clear Lake 1 Eldora 1 Polk City 1 Waterloo 1

All Iowa Races

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