Illinois
Illinois Obstacle Race Calendar 2026-2027
Monthly updates for Illinois
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in Illinois for 2026-2027! Our updated list features 5 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!
August 2026
A mud obstacle event on August 29, 2026 at Richardson Adventure Farm offering 5K, 15K, timed Infinity laps, Mudder Village, and finisher rewards.
September 2026
Test your limits at Decker Farm with a grueling combination of military boot camp and farm chores. Choose between 4, 12, or 36 hour endurance challenges featuring heavy carries and undisclosed physical tasks.
A multi-distance obstacle course event on rugged terrain near Marseilles Illinois featuring 5K and 10K options, a kid's loop, ruck categories with recommended weights, and a multi-lap Bearded Challenge. Finisher shirt, medal, and action photos includ..
Timed 2 mile obstacle course at Richland Community College to raise awareness and funds for veteran suicide prevention, featuring 20 to 25 obstacles and finisher rewards.
May 2027
An obstacle course event at Byron Motosports Park on May 22, 2027 offering 10K and 5K waves, Special Forces, Ruck division and a kids course, produced by a nonprofit honoring service members.
Monthly updates for Illinois
Get new running races (and updates) in your inbox every month.