Illinois
Illinois Obstacle Race Calendar 2025-2026
Explore the best obstacle runs in Illinois for 2025-2026! Our updated list features 5 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!
October 2025
Tackle a Full Hyrox sim in Oswego with 1000M runs between classic Hyrox stations including erg, sleds, carries and wallballs. Self judged class pass entry; no refunds and runs may be altered for weather.
May 2026
Frontline OCR at Byron Motosports Park on May 23, 2026 offers 10K, 5K and kids courses with purpose built obstacles honoring military, veterans and first responders. Push your limits on a course that challenges both body and mind.
July 2026
Conquer mud, fire and barbed wire at Savage Race Chicago on July 11, 2026, with 3+ and 5 to 7 mile courses featuring 20 to 30 obstacles. Race solo or with a team, try the GORUCK rucking division or bring kids for Savage JR.
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.
