California
California Obstacle Race Calendar 2025-2026
Monthly updates for California
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in California for 2025-2026! Our updated list features 21 exciting races across the region. Find your next race in California below and join the running community at these great events!
November 2026
Get muddy and climb walls at Terrain Race Irvine on Nov 21 at Oak Canyon Park. Tackle a 5K with 15 plus obstacles or a Mini Monkey half mile for kids ages 2 to 10, then celebrate with a shirt, medal and lively post race festival.