Frederick
Obstacle Race Calendar near Frederick 2026-2027
Monthly updates for Frederick
Get new running races (and updates) in your inbox every month.
Explore the top obstacle runs near Frederick for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.
February 2026
CEROX + IRON is a functional fitness event in Frederick, Colorado. Athletes tackle eight challenging exercise zones, choosing between a format with running segments or one without. Participation is open for individuals or teams of two.
May 2026
Test your fitness in Denver with the DEKA FIT & Ultra. This hybrid race at the Gaylord Rockies features 10 zones over a 5 km course, plus individual, team, and weighted Ruck challenges. It takes place on May 30, 2026.
June 2026
A few miles of muddy obstacles at Colorado National Speedway on June 20, 2026, featuring about a dozen Muddy Moments, waist-deep mud pits and a post race festival. Registration offers Value and VIP packages with different included items.
July 2026
Choose your challenge at the CEROX + IRON fitness event. Test your endurance and strength across eight functional fitness zones, with the option of the classic Cerox (with running) or the Cerox Iron (without running). Participate as an individual or..