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 12 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!
May 2026
Experience an illuminated night obstacle race in Mchenry featuring torch lit trails and technical rigs. Participants can enjoy live entertainment and bonfires after completing their 5k or unlimited lap challenge.
Operation GRANITE X at Tri-Township Park on May 16, 2026 features 6 mile loops made of three two mile laps. Two divisions are offered, one with escalating weight and one focused on endurance.
Frontline OCR at Byron Motosports Park on May 23, 2026 offers 10K and 5K obstacle courses, a ruck division, a kids mile, Special Forces and Heroes waves, plus team entry packs, organized by a 501(c)(3) foundation.
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.
Experience a Scottish themed obstacle course race in Pingree Grove featuring 15k, 5k, and family 3k distances. Challenges include classic rigs and unique tasks like archery and caber carries in a Highland setting.
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 combines mud and named obstacles with 5K, 15K, and Infinity lap options plus a Mudder Village festival 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-division obstacle course event at The Cliffs park featuring 5K and 10K courses, a ruck division, a multi-lap Bearded Challenge, and a kid's course. Finishers receive a shirt, medal and professional action photos.
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..