Illinois
Illinois Obstacle Race Calendar 2026-2027
Monthly updates for Illinois
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Explore the best obstacle runs in Illinois for 2026-2027! Our updated list features 11 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!
May 2026
Operation GRANITE X at Tri-Township Park on May 16, 2026 uses repeated 6 mile loops made of three 2 mile laps. Two divisions are offered: a heavy, escalating weight format and an endurance format; entry totals $213.87.
A multiwave obstacle course at Byron Motosports Park offering 10K, 5K, ruck, and kids divisions, with Special Forces and Endurance competitive formats and team entry packs available.
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 at Richardson Adventure Farm on August 29 2026 offers 5K and 15K obstacle runs plus an 8 hour Infinity format, a Mudder Village with food and music, and finisher medals shirts 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.
A timed two mile obstacle course at Richland Community College on September 19, 2026 that raises funds for the Student Veterans' Resource Center. The event features 20 to 25 obstacles, awards for top finishers, and volunteer and gift registration opt..