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Iowa Duathlon Calendar 2026-2027

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Explore the best duathlons in Iowa for 2026-2027! Our updated list features 3 exciting races across the region. Find your next race in Iowa below and join the running community at these great events!

June 2027
Jun
7-11
Mo - Fr

Endure Ultra Triathlon - Big Creek State Park

Triathlon Duathlon Full distance 2.4 112 26.2 mi Full distance 4.8 224 52.4 mi Full distance 7.2 336 mi Full distance 336 78.6 mi
Jun
19
Sa

Trestle Hustle

Duathlon 5 km 10 km
July 2027
Jul
31
Sa

First Responders "Bring in the Backup" Triathlon

Triathlon Duathlon Aquabike 250 m 10.4 mi Sprint 150 m 10.4 mi 5 km Duathlon 1 10.4 mi 5 km
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