Frontline OCR
Byron, United States • 23 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 with purpose-built obstacles that simulate the physical and mental demands faced on the frontline, emphasizing courage, resilience, and readiness. It offers various race options including competitive and non-competitive 10K runs, a 5K, endurance and special forces challenges, a ruck division, and a kids' course. The race fosters camaraderie and teamwork as participants push through mud, walls, and other obstacles, making it a unique test of grit and determination in a supportive atmosphere. Visit the organization's website for the most recent information.
Always visit the organization's website for the most recent information!
Race information
Mud & Obstacle runs nearby
Tough Mudder - Chicago
Rockford - 21 km from Byron • 23-24 Aug 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 Enema, and Augustus Gloop, set across tough terrain with shoe-sucking mud. Participants can choose from 15K or 5K distances, with options for multiple laps through the Infinity challenge.
The event emphasizes teamwork, mental stamina, and physical endurance. Finishers earn unique medals, shirts, headbands, and a celebratory drink. Additional experiences include VIP packages, group events, and a lively Mudder Village festival for spectators.
Volunteers can also participate with perks. Visit the organization's website for the most recent information.
Midwest OCR
Marseilles - 100 km from Byron • 27 Sep 2025
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 and 10K in a non-competitive "Just for Fun" division, a competitive 10K Elite race with over 30 obstacles, and the challenging Bearded Challenge featuring three laps of the 10K course. The rugged course features hills, cliffs, ravines, creeks, and wooded trails with obstacles ranging from approachable to extremely tough. Participants receive a finisher's shirt, medal, and professional photos. The event encourages teamwork and includes a kid’s course for ages 4-11. Visit the organization's website for the most recent information.
Abominable Snow Race
Lake Geneva - 85 km from Byron • 31 Jan 2026
The Abominable Snow Race is a premier winter obstacle race held at Lake Geneva Ziplines & Adventures in Lake Geneva, Wisconsin. Scheduled for January 31, 2026, this unique event offers multiple race options for all ages, including a 5K and 10K fun run with 15 to 25+ obstacles, a challenging 20K Yeti's Challenge featuring over 50 obstacles, and a LiL Yeti's course for children aged 4-11. The race combines family fun, fitness, and competition, with cash prizes for elite racers. Participants enjoy a festive outdoor basecamp with food trucks, craft beverages, fire pits, and live music. Amenities include bag drop, changing tents, and restroom facilities. Visit the organization's website for the most recent information.
Savage Race - Chicago
Spring Grove - 91 km from Byron • 11 Jul 2026
The Savage Race - Chicago will take place in Spring Grove on Saturday 11 July 2026. You can run between 3 and 7 kilometers.