Iowa Triathlon Calendar 2025-2026

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Explore the best triathlons in Iowa for 2025-2026! Our updated list features 112 exciting races across the region. Find your next race in Iowa below and join the running community at these great events!

February 2026
Feb
14
Saturday

Cupid's Chase Council Bluffs 5K

5 km
Feb
14
Saturday

Wellmark YMCA Red Flannel Run

5 km 10 km
Feb
14
Saturday

Cupid's Chase Des Moines

5 km
April 2026
Apr
11
Saturday

Riverview Riverwalk

5 km
Apr
25
Saturday

Kewash Marathon

5 km 10 km 13 mi 26 mi
May 2026
May
2-3
Sa - Su

Des Moines Women's Half Marathon

5 km 5 mi 10 km 13 mi
May
2
Saturday

IronHorse - Riceville, IA

5 km 10 km 21 km 42 km
May
3
Sunday

Red Shoe Run - Iowa City

5 km
May
8-9
Fr - Sa

Friends of Yellow River State Forest Trail Run

Trail Run 5 km 10 km 13 mi
May
16-17
Sa - Su

Gladiator Assault Challenge

Obstacle Run 5 km 5 mi 7 mi
May
30
Saturday

EMC DAM to DSM

13 mi
June 2026
Jun
20
Saturday

Movie Madness Half Marathon

5 km 10 km 13 mi
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