Trail Running calendar near Byron 2025-2026

The Arctic Frog Run in Libertyville, IL, is an exciting endurance running event featuring multiple race distances: 50K, 25K, 15K, 10K, and 5K. Set against a scenic backdrop, the course includes a mix of pavement, wooded trails, and crushed limestone paths along the Des Plaines River. This unique win..

The Guv'nor Frozen 50K is an ultra-marathon event taking place in the scenic Driftless Area of Wisconsin, specifically at Governor Dodge State Park. Scheduled for December 6, 2025, this challenging race offers three distance options: 50K, 25K, and 15K, each featuring varying elevation gains and terr..

The Frozen Assets 5K Run/Walk is a unique event hosted by Clean Lakes Alliance, taking place on a frozen lake in Madison, Wisconsin. Participants can choose to run or walk across the ice of Lake Mendota, enjoying stunning views of downtown Madison and the University of Wisconsin-Madison campus. The..

ARKTOS is a unique trail running event held in Dousman, Wisconsin, designed for both solo runners and relay teams of up to four participants. The event features 6, 12, and 20-hour ultra runs, encouraging participants to embrace the challenge of running in potentially uncomfortable conditions while f..

The Skunk Ape 806/314 Trail Race is an exciting running event taking place on March 21, 2026, at Lowell Park in Dixon, IL. Participants can choose between two challenging distances: 33.75 miles to be completed in 8 hours and 6 minutes, or 13.5 miles in 3 hours and 14 minutes. The race features a uni..