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
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.
Test your grit at Byron Motosports Park with tactical obstacle courses ranging from 5K to 10K endurance laps. Choose from elite vest challenges, weighted rucking, or open waves designed to honor the resilience of first responders.
July 2026
An outdoor obstacle course in Homewood with two age divisions: ages 6–14 run 1 mile with eight obstacles, ages 15+ run 2 miles with sixteen obstacles; wave starts every five minutes, with finisher medals and t-shirts.
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 on August 29, 2026 at Rockford International Airport offers 5K, 15K and an eight hour Infinity format across fields, trails and creek crossings, with Mudder Village, finisher items, and group and volunteer options.
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.