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. Various race options include competitive and non-competitive 10K runs, a 5K, endurance challenges, a ruck division, and a kids' course for ages 5 to 13. The race fosters camaraderie and teamwork, encouraging participants to push their limits together in a supportive atmosphere. It serves as both a tribute and a rigorous test of grit and determination. 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
Savage Race - Chicago
Spring Grove - 91 km from Byron • 28 Jun 2025
The Savage Race - Chicago will take place in Spring Grove on Saturday 28 June 2025. You can run between 3 and 7 miles.
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 a 15K course with over 20 legendary obstacles, including the Berlin Walls, Arctic Enema ice pit, and Augustus Gloop fire hose tube. Participants face tough terrain and shoe-sucking mud in a team-oriented atmosphere that emphasizes camaraderie and mental stamina.
Options include a 5K with 12+ obstacles, multi-lap Infinity races, and group packages for teams of 10 or more. Finishers earn medals, shirts, headbands, and a celebratory drink. Spectators can enjoy live entertainment and local food at the Mudder Village Festival. 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 both non-competitive (Just-for-Fun) and competitive (Elite) divisions. The challenging 10K Elite race features over 30 obstacles across rugged terrain with hills, cliffs, ravines, creeks, and wooded trails.
A unique Bearded Challenge involves completing three laps of the 10K course. Additional categories include a ruck division and a kid’s course with 10+ obstacles. Participants receive finisher shirts, medals, and professional photos, with cash prizes for top competitive finishers. 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, held at Lake Geneva Ziplines & Adventures in Lake Geneva, Wisconsin, is the Midwest's premier winter obstacle race. Scheduled for January 31, 2026, this event offers a variety of challenges for all ages, including a 5K and 10K fun run with 15+ and 25+ obstacles respectively, a 20K Yeti's Challenge featuring over 50 obstacles, and a LiL Yeti's course for children aged 4-11 with 7-10 obstacles. The race balances family fun, fitness, and competition, with elite categories offering cash prizes. Participants enjoy a festive outdoor basecamp with food trucks, craft beverages, fire pits, and live music, making it a unique winter adventure experience. Visit the organization's website for the most recent information.