Illinois
Illinois Obstacle Race Calendar 2025-2026
Explore the best obstacle runs in Illinois for 2025-2026! Our updated list features 8 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!
August 2025
Tough Mudder Chicago 2025 takes place at Rockford International Airport, about 1.5 hours from Chicago. This challenging mud run features over 20 legendary obstacles, including the Berlin Walls, Arctic..
September 2025
Operation Obstacle 2025 is a timed 2-mile obstacle course race held at Richland Community College Fitness Center in Decatur, Illinois. Featuring 15-20 obstacles such as carrying and pulling objects, a..
Midwest OCR is an obstacle course racing event held at The Cliffs Insane Terrain Off-Road Park in Marseilles, Illinois. Scheduled for September 27, 2025, it offers multiple race options including a 5K..
The Murphysboro Mud Monster Run is an obstacle and mud challenge held at Riverside Park in Murphysboro, Illinois. The event features a roughly 5-kilometer course with over 18 obstacles, including mud..
May 2026
Frontline OCR is an obstacle course race held at Byron Motosports Park in Byron, Illinois, dedicated to honoring military personnel, veterans, and first responders. The event challenges participants w..
July 2026
