Trail Running calendar near Williams Bay 2026-2027

A dog friendly trail running event at Lake Geneva Ziplines and Adventures with a 4 mile loop, an 8 mile option, and a focus on Canicross. Awards are reserved for teams running with dogs and all finishers receive a small gift.

A night running event near Lake Mills, WI on a flat crushed‑limestone rails-to-trails course offering 16 and 31 mile out-and-back distances with required lights, reflective gear, and cupless aid stations.

A winter obstacle event in Lake Geneva on January 30, 2027 offering distances from a kids course to a 20K Yeti Challenge, plus a competitive Elite division with cash prizes, team entries, and a virtual race option.

A winter trail ultrarun in Dousman, Wisconsin on Feb 27-28, 2027 offering 6, 12 and 24 hour solo or relay options, winter trail terrain, warming shelters, hot drinks and a post-race meal.

A trail event at The Forge Lemont Quarries on March 13, 2027 featuring a half and quarter marathon on wooded single and double-track trails with varied, technical terrain and one aid station for the half.

Skunk Ape 806/314 is a looped trail event at Lowell Park in Dixon, IL offering 33.75 mile, 13.5 mile and relay options with time limits, an aid station with food, awards, and nonrefundable registration.