Illinois
Illinois Obstacle Race Calendar 2025-2026
Explore the best obstacle runs in Illinois for 2025-2026! Our updated list features 4 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!
May 2026
Frontline OCR at Byron Motorsports Park on May 23, 2026 invites teams and individuals to tackle purpose built obstacles that honor military, veterans and first responders. Race options include a kids course, 5K, 10K plus ruck and competitive division..
July 2026
Take on Savage Race Chicago on July 11, 2026 in Spring Grove IL, a 5 to 7 mile obstacle course with mud, fire and barbed wire. Compete solo or with a team, and bring kids for Savage JR or pick up a spectator pass.
August 2026
Tough Mudder Chicago returns to Rockford International Airport on Aug 29 and 30 with fields, trails and creek crossings. Run a 15K with 20 plus obstacles, a 5K with 12 plus, or the Infinity eight hour format and enjoy finisher swag.
September 2026
Push your limits at The Ultimate SUCK, a 36, 12 and 4 hour farm based endurance event at Decker Farm in Cuba, Illinois, Sept 4 to 6, 2026. Blend trail running, strongman tasks and military style challenges in a raw, sleepless test of grit.
