Illinois
Illinois Obstacle Race Calendar 2026-2027
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Explore the best obstacle runs in Illinois for 2026-2027! Our updated list features 10 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!
July 2026
H-F Beast Obstacle Course Dash in Homewood, IL on July 12, 2026 features two age categories with obstacle runs. The event awards finisher medals and t shirts and includes an optional prep course in June.
August 2026
A multi-event day in Coal Valley with a 5K Mud Adventure Run, a Ninja Kids Run, and a Cross Country Trail Run. Main obstacles include a Tire Wall, Ninja Scaling Wall and Weight Lift; spectator entry is $7.
A youth and family 2K obstacle course at Maxwell Park with about 15 obstacles. Waves serve ages 5 and up; participants get a shirt, medal and a timed result, with trophies for top three in each competitive age group.
A Scottish Highlander themed obstacle race in Pingree Grove, Illinois featuring 3K family, 5K and 15K heats with 20 to 30 obstacles, plus a torch lit night race and a haunted 5K. Spectator fee on-site is $10 and parking is free.
Hill of a Race 2026 in Bloomington, IL combines a lap based Endurance Challenge with multiple 3 mile obstacle course waves, including competitive men, women, masters and several recreational waves.
Tough Mudder Chicago on August 29, 2026 at Richardson Adventure Farm features 5K and 15K obstacle runs, an 8-hour Infinity lap format, Mudder Village festival amenities, and finisher medals, shirts, headbands and drinks.
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.
Midwest OCR in Marseilles, Illinois features 5K and 10K obstacle courses, ruck options, a kid's loop, and a multi-lap Bearded Challenge, with finisher shirts, medals, and professional photos included; elite divisions award podiums and cash prizes.
Operation Obstacle is a timed 2 mile obstacle course on September 19, 2026 at Richland Community College that raises awareness and funds to address veteran suicide.
May 2027