Trail Running calendar near Rockford 2026-2027

Experience the historic Ice Age Trail during this autumn ultramarathon in the Southern Kettle Moraine Forest. Choose between 50k and 100k distances featuring on site branded wooden medals and scenic fall colors.

Embrace an autumn adventure at the Big Timber XC Challenge, a trail run featuring a famous creek crossing through the woods of Camp Big Timber. Choose between a 3-mile or 5-mile course on grass and gravel paths. All runners get a shirt and..

Experience the diverse terrain of the historic Lemont Quarries with four trail race distances ranging from 10K to 60K. Runners navigate a mix of flat gravel paths and technical single-track trails through the woods.

Explore the forest trails and hills of Lake Geneva at this multi distance trail event. Choose from several individual races or join a team relay for a day of outdoor activity and festival atmosphere.

Celebrate Thanksgiving with a 2 mile run through the wooded trails of Sheffield Illinois. Wear your best holiday costume for a chance to win prizes at this untimed community event.

Experience a unique winter obstacle course in Lake Geneva featuring distances from 5K to 20K. Enjoy a festival atmosphere with fire pits and food trucks after conquering challenges designed for both fun and competitive athletes.

Experience a unique 5K race held entirely on the frozen surface of Lake Mendota. Participants can run walk or skate across the ice while enjoying scenic views of downtown Madison and the university campus.