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.

Savage Race - Chicago

Spring Grove • 28 Jun 2025

Saturday Only 15-20 Obstacles 3+ Miles Register For Savage Blitz Saturday Only 25+ Obstacles 5-7 Miles

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

H-F Beast Obstacle Course Dash

Homewood • 13 Jul 2025

1 Mile Run With 8 Obstacles 2 Miles Run With 16 Obstacles

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

Rockford • 23-24 Aug 2025

Infinity 5 km 15k

Tough Mudder Chicago 2025 takes place at Rockford International Airport, about 1.5 hours from Chicago. This challenging mud run features over 20 obstacles across a course that can extend beyond 10 miles, offering a tough and muddy terrain experience. Participants face iconic obstacles like the Berlin Walls, Arctic Enema ice pit, and Augustus Gloop fire hose challenge.

The event emphasizes teamwork, mental stamina, and physical endurance. Finishers receive medals, shirts, headbands, and a celebratory drink. Additional options include shorter 3-5 mile courses, multi-lap Infinity races, group packages, and spectator passes.

The event also offers VIP experiences, volunteer opportunities, and a festive Mudder Village atmosphere. Visit the organization's website for the most recent information.

Operation Obstacle

Decatur • 20 Sep 2025

2-Mile Obstacle Course

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, army net crawls, and climbing challenges, the mostly flat course tests participants' endurance and agility. A unique fire truck hose down awaits runners at the finish line.

The event also offers a non-competitive fun run option for those who prefer to jog or walk and skip obstacles. Proceeds support the college's Student Veteran Resource Center, raising awareness to end veteran suicide. All finishers receive a challenge coin and goodie bag. Visit the organization's website for the most recent information.

Midwest OCR

Marseilles • 27 Sep 2025

5 km 10k

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.