Illinois Mud Run & Obstacle Race Calendar 2025-2026

If you're an adrenaline junkie, fitness enthusiast, or simply seeking a thrilling outdoor adventure, you've arrived at the perfect destination. Our meticulously curated calendar is your gateway to the most exhilarating and challenging mud runs and obstacle races taking place in 2025 and 2026.

Prepare to conquer mud-slicked trails, scale towering walls, navigate through grueling obstacles, and push your physical and mental boundaries. Our mission is to provide you with all the essential information you need to plan your race year, including dates, locations, race details, and registration information.

The Manion WOD - Peoria will take place in Peoria on Saturday 26 April 2025.

The Manion WOD - Chicago Heights will take place in Chicago Heights on Saturday 26 April 2025.

The Manion WOD - Naperville Park District will take place in Naperville Park District on Saturday 26 April 2025.

The Manion WOD - Channahon will take place in Channahon on Saturday 26 April 2025.

The Manion WOD - Romeoville will take place in Romeoville on Saturday 26 April 2025.

Manion WOD - Alsip

Alsip • 27 Apr 2025

The Manion WOD - Alsip will take place in Alsip on Sunday 27 April 2025.

Frontline OCR

Byron • 24 May 2025

The Frontline OCR will take place in Byron on Saturday 24 May 2025.

The Savage Race - Chicago will take place in Spring Grove on Saturday 28 June 2025. You can run between 3 and 7 miles.

The H-F Beast Obstacle Course Dash is an exciting outdoor event designed for participants of all ages, taking place in Homewood, IL. The course features two categories: younger participants aged 6-14 will tackle 8 obstacles over a 1-mile run, while those aged 15 and older will face 16 obstacles across a 2-mile course. Obstacles include activities like sandbag carries, balance beams, and tire flips, promoting fitness and fun. Finisher medals are awarded to all who complete the course. Additionally, a prep course is available in June to help participants get ready for the event. Visit the organization's website for the most recent information.

Tough Mudder Chicago 2025 is set to take place at Rockford International Airport on August 23 and 24. This challenging mud run features over 20 obstacles designed to test participants' strength, endurance, and teamwork. Participants can choose from various event options, including 15K, 5K, and the Tough Mudder Infinity, which allows for multiple laps.

Each finisher receives a medal, a finisher shirt, and a celebratory drink. Spectators can enjoy the Mudder Village Festival, featuring live entertainment and local food. Registration is available online, with discounts for military and first responders. Visit the organization's website for the most recent information.

Operation Obstacle 2025 is a timed, 2-mile obstacle course race aimed at raising awareness about veteran suicide, with 17 veterans tragically taking their lives each day. Hosted by Richland Community College in collaboration with the U.S. Department of Veterans Affairs, the event features 15-20 obstacles, including army net crawls and object carries, culminating in a celebratory hose down from a fire truck.

Participants receive a finisher's challenge coin and a goodie bag. A Non-Competitive Fun Run option is also available. Proceeds support the college's Veteran Resource Center, promoting a culture of peace and support for veterans. Visit the organization's website for the most recent information.

Midwest OCR

Marseilles • 27 Sep 2025

Midwest OCR is an exciting obstacle course racing event taking place in Marseilles, Illinois. Participants can choose between a 5K or 10K course, with options for both competitive and non-competitive racers. The event features a variety of obstacles designed for all skill levels, ensuring a fun experience whether you're a beginner or a seasoned athlete.

Racers will receive a finisher's shirt, medal, and professional photos. The event also includes a special Bearded Challenge for those looking to push their limits with multiple laps. Midwest OCR is organized by Race Ready Obstacles, a veteran-owned company known for quality obstacle courses. Visit the organization's website for the most recent information.