Get ready for an unforgettable challenge at the MIDWEST OCR, set for Saturday, September 19, 2026, in the stunning, rugged landscapes of Marseilles, Illinois. Hosted at The Cliffs Insane Terrain Off-Road Park, this event leverages a truly unique course, unlike the typically flat Illinois venues, featuring diverse terrain with hills, cliffs, ravines, creeks, and beautiful wooded trails. Participants can choose their adventure: a formidable 10K with over 30 expertly crafted obstacles, or a spirited 5K packed with more than 20 challenges. This veteran-owned and operated race is renowned for delivering a championship-level experience, built by the expert obstacle builders at Race Ready Obstacles, who have contributed to some of the biggest names in OCR.

MIDWEST OCR stands out with its innovative and meticulously designed obstacles, which span from super approachable to brutally tough, promising to test the strength, endurance, and mental grit of every racer. Beyond the main 5K and 10K races, the event also offers "The Bearded Challenge" for those seeking multiple laps of the 10K course, a dedicated Ruck Division, and a fun Kid's Course, ensuring an adventure for all ages and skill levels. Every participant earns a custom finisher's shirt, an epic medal, and complimentary professional action photos, with no hidden fees, underscoring the event's racer-centric philosophy.

Typical race day conditions in mid-September offer ideal weather, with comfortable highs around 77°F and lows around 53°F, alongside a low 14% chance of precipitation. Runners consistently praise MIDWEST OCR as a well-organized, challenging, and fun event. While specific aid station details are not extensively publicized, participants can anticipate support along the course and amenities such as hoses for rinsing off and changing stations at the finish line. This race promises a day filled with adventure, camaraderie, and hard-earned bragging rights.