Colorado
Colorado Obstacle Race Calendar 2025-2026
Explore the best obstacle runs in Colorado for 2025-2026! Our updated list features 3 exciting races across the region. Find your next race in Colorado below and join the running community at these great events!
September 2025
Tough Mudder Colorado returns to Fort Carson, Colorado (2700 Wilderness Road) for a weekend of mile mudding along rocky, scenic trails. The event offers 5K and 15K courses, featuring 12+ obstacles on..
Toughest Mudder Colorado takes place at Fort Carson, Colorado (2700 Wilderness Road). The 12-hour overnight endurance challenge unfolds on a 5K course packed with signature obstacles. It offers both i..
May 2026
Colorado Springs Spartan Trifecta Weekend takes place at Fort Carson, Colorado, on May 30–31, 2026. The course sits at the foot of the Rocky Mountains and includes an Altitude Challenge—racers compete..
