Trail Running calendar near Janesville 2026-2027

Free one day running festival in Crystal Lake celebrating local races, clubs, and brands. Pick a 4.3 or 6.8 mile social run, browse the expo, enter raffles, demo gear, and enjoy food, drinks and community fun.

A trail run at Blue Mound State Park on June 6, 2026 offering 10K and 18K courses over varied single-track and ski trails; proceeds benefit the Friends of Blue Mound State Park.

A multi-distance trail event near LaGrange, Wisconsin on June 13–14, 2026, featuring 100% trail courses and a lottery entry system. Distances range from 50K to 100 miles and the 100 mile finish in 30 hours qualifies for Western States.

A seven-race trail series in Oconomowoc from April to October 2026 offering 5K, 10K, half-marathon, walking and ruck options, cupless events, age-group scoring and finisher Woodles.

A trail running event on a scenic segment of the Ice Age Trail near Rice Lake in Whitewater, WI. Distances include 10K, half marathon and 50K on rolling hills and well established trails.

A seven-race trail series in Oconomowoc from April to October 2026 offering 5K, 10K, half-marathon, walking and ruck options, cupless events, age-group scoring and finisher Woodles.

A cross-country event in Williams Bay featuring a 5K run/walk and a children's quarter mile walk/run. The course follows grass trails through hills, woods and prairie, with parking and restrooms provided.

A midsummer trail and road event at Devil's Lake near Madison on July 11, 2026, offering distances from 10K to 50 miles with marked courses, aid stations, finisher medals, post-race food and a brew, and overall and age group awards.

A seven-race trail series in Oconomowoc from April to October 2026 offering 5K, 10K, half-marathon, walking and ruck options, cupless events, age-group scoring and finisher Woodles.

The Sun Prairie Community 5k will take place in Sun Prairie on Saturday 15 August 2026. You can run 5 kilometers.

A multi-format trail running event at Blackhawk Ski Club in Middleton WI on August 22, 2026, offering solo 3/6/12 hour challenges, team relays, and a 1.7 mile fun run on mixed grass and single-track with notable hill features.

Run the Rails in Elburn, IL features a 1-mile fun run/walk plus 4- and 7-mile races starting and finishing at Prairie Park, with course views from the Anderson Road bridge and chip timing for the timed events.

A technical trail event at Franklin Creek State Natural Area near Franklin Grove, IL, offering 5K and 10K courses with multiple creek crossings, notable elevation changes, on-course water at key points, race shirts, and awards.

The Naperville Trails Half Marathon will take place in Naperville on Saturday 5 September 2026. You can run between 10 and 21 kilometers.

Echo 136 is a 136 mile trail event on the Ice Age State Trail in the Southern Kettle Moraine, featuring varied trail surfaces, nine staffed aid stations and a 55 hour time limit.

A looped trail event in Dixon Illinois offering 25K, 50K, 100K and 100 mile distances. The course combines singletrack, grassy meadows and gravel with two aid stations and on course crew access.

A seven-race trail series in Oconomowoc from April to October 2026 offering 5K, 10K, half-marathon, walking and ruck options, cupless events, age-group scoring and finisher Woodles.

A point to point, all trail ultramarathon along the Hennepin Canal State Trail in northwest Illinois. Multiple distances from 50K to 100 miles, with aid stations every 3 to 7 miles and a 30 hour cutoff for Western States qualification.

Run or walk the Fall into Fall Trail 5k in Janesville on October 3, a scenic timed trail through wooded dirt paths with beautiful fall views. Stay for live music, food trucks, beer and wine tasting and raffles; register by Sept 15 to guaran..

A multi-distance trail event at Mirror Lake State Park on October 3, 2026, with a kids mile, 5K, 10K and half marathon; chip-timed races, cupless aid, park trail terrain and post-race s'mores while raising funds for park projects.