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 3 exciting races across the region. Find your next race in Colorado below and join the running community at these great events!
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
Two days of Spartan obstacle races at Fort Carson on high elevation terrain, offering Sprint, Super, Beast, Ultra and kids race formats.
September 2027
Tough Mudder Colorado on September 25, 2027 at Fort Carson offers 15K and 5K obstacle runs above 6,000 feet with finisher medals, shirts, and Mudder Village access.
Monthly updates for Colorado
Get new running races (and updates) in your inbox every month.