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 10 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.
Test your limits at Horseshoe Lake State Park with an escalating weight endurance event. Complete multiple loops of a five mile course where the load increases every time until only one person is left.
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
Experience the Savage Race in Spring Grove with obstacles and mud across multiple distances. Choose between a five to seven mile course or the shorter three mile Blitz for an engaging outdoor fitness experience.
Test your strength and endurance at this outdoor obstacle course in Homewood. Choose between one or two mile distances featuring tire flips and spear throws to earn your finisher medal.
August 2026
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.
Test your limits at Ewing Park II with a 3 mile obstacle course or a four hour endurance challenge. Choose between competitive divisions, recreational waves, and age-based categories in Bloomington.
Tough Mudder Chicago brings its signature obstacle course to Rockford International Airport. Choose from a 5K, 15K, or the 8-hour Infinity challenge, tackling mud, trails, and unique obstacles. Finishers earn a medal, headband, shirt, and a celebrato..
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.
Experience a rugged obstacle course race featuring hills, cliffs, and wooded trails in Marseilles. Choose from competitive 10K heats, multi lap challenges, or non competitive fun runs and rucking divisions for all interest levels.