Idaho Obstacle Race Calendar 2025-2026

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Monthly updates for Idaho

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Explore the best obstacle runs in Idaho for 2025-2026! Our updated list features 2 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!

August 2026
Aug
8-9
Sa - Su

Boise Spartan Trifecta Weekend

5 km 10 km Half Marathon 4 hr
Join the Boise Spartan Trifecta Weekend on Aug 8 and 9 at Tom Pence Ranch in Payette, Idaho, where high desert trails deliver steep dusty climbs. Sprint, Super, Beast or kids races and a 4 hour Hurricane Heat offer mud, grit and teamwork.
October 2026
Oct
10
Sa

Zombie Mania

5 km
Experience Zombie Mania in Rexburg, Idaho on October 10, 2026, a timed 5K through Nature Park and Eagle Park where volunteers dressed as zombies try to grab your health flags. A fun 1 mile costume run is offered for kids and adults.