Half Marathons in Iowa 2026 | Upcoming Races & Dates

There are 4 half marathons in Iowa scheduled for 2026. The next is the River’s Edge Trail Half Marathon in Eldora on September 26. Iowa half marathons run primarily August through June.

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

Black Hawk YMCA Triathlon

Sun, Sep 13 · Waterloo, IA Waterloo

Black Hawk YMCA Triathlon RelayBlack Hawk YMCA TriathlonBlack Hawk YMCA 500m Open Water Swim

From $20 Open

River’s Edge Trail Half Marathon

Sat, Sep 26 · Eldora, IA Eldora

Half Marathon-RunHalf Marathon-Walk

From $60 Open

EMC DAM to DSM

Sat, Jun 5 · Polk City, IA Polk City

Half MarathonVirtual DAM Half MarathonHalf Marathon +1

From $55 Open

Half Marathons in Iowa — 2026

TRI Clear Lake 2026

Black Hawk YMCA Triathlon

River’s Edge Trail Half Marathon

EMC DAM to DSM

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