Trail Running calendar near Williams Bay 2025-2026

We have found 43 Trailruns within 80 miles of Williams Bay. See below where and when you can find the races.

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 an exciting ultra-running event taking place in Dousman, Wisconsin, featuring 6, 12, and 20-hour races for solo runners and relay teams of up to four participants. Set against a serene woodland backdrop, the event encourages runners to embrace the challenge of cold weather and the thrill o..

March 2026

The Skunk Ape 806/314 Trail Race is an exciting running event taking place on March 22, 2025, in Lowell Park, 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 uniqu..