Colorado
Colorado Obstacle Race Calendar 2026-2027
Monthly updates for Colorado
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in Colorado for 2026-2027! Our updated list features 5 exciting races across the region. Find your next race in Colorado below and join the running community at these great events!
August 2026
Summit Grays and Torreys Peaks in this 8.8 mile Colorado endurance event. Participants must carry a 20lb dry load while tackling 4,101 feet of elevation gain.
September 2026
A load bearing endurance event at Staunton State Park on September 5, 2026. Routes range from 6.5 to 21.5 miles with loads from 10 to 40 lb and proceeds benefit the Special Forces Foundation.
Tough Mudder Colorado at Fort Carson on September 26 2026 features 15K and 5K courses with multiple obstacles, finisher items, volunteer options, and spectator passes.
November 2026
VO2Max 3K OCR in Colorado Springs on Nov 7, 2026 features an indoor/outdoor 3K course with 15 to 20 obstacles and finisher medals and t shirts.
May 2027
Fort Carson obstacle weekend featuring Sprint 5 km, Super 10 km, Beast 21 km and Ultra 50 km courses across high elevation rugged trails.