Idaho
Idaho Obstacle Race Calendar 2026-2027
Monthly updates for Idaho
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in Idaho for 2026-2027! Our updated list features 4 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!
August 2026
A two day Spartan Trifecta weekend on August 8-9, 2026 at Tom Pence Ranch, featuring Sprint 5 km, Super 10 km and Beast 21 km obstacle races plus kids races, workshops and a four hour Hurricane Heat event.
A community mud run at Lewiston Community Park each August featuring climbing, crawling, muddy obstacles and a Mini-Mudder for kids. The event reports thousands of participants, local charity donations, and many volunteer roles.
October 2026
Zombie Mania on October 10, 2026 is a 5 km loop through Nature Park and Eagle Park where volunteers dressed as zombies try to steal runners' flag belts. A separate 1 mile costume run follows the same parks without zombies.