Iowa Obstacle Race Calendar 2025-2026

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Explore the best obstacle run in Iowa for 2025-2026! Our updated list features 1 exciting races across the region. Find your next race in Iowa below and join the running community at these great events!

May 2026
May
16-17
Sa - Su

Gladiator Assault Challenge

5 km
Battle through mud and over daring obstacles at the Gladiator Assault Challenge, a weekend test of endurance, speed, strength and grit at Seven Oaks Recreation. Choose a full course, 5K, Junior/Parent run or Elite heat.
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