Iowa Triathlon Calendar 2025-2026

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Explore the best triathlons in Iowa for 2025-2026! Our updated list features 105 exciting races across the region. Find your next race in Iowa below and join the running community at these great events!

May 2026
May
30
Saturday

EMC DAM to DSM

Half Marathon
June 2026
Jun
7
Sunday

Cedar Rapids Marathon

5 km 10 km Half Marathon Marathon
Jun
20
Saturday

Movie Madness Half Marathon

5 km 10 km Half Marathon
August 2026
Aug
22
Saturday

Lincolnway Run

5 km
October 2026
Oct
18
Sunday

Des Moines Marathon

5 km 10 km Half Marathon Marathon
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