Trail Running calendar near Belleville 2026-2027

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 multi-distance running event on July 15, 2026 at Discovery Trail in Clinton, IA offering 5K, 10K, half marathon, marathon and 50K with listed entry fees and no time limits.

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.

Trail races at Mines of Spain near Dubuque include 4 mile, 7 mile and half marathon distances on varied singletrack and prairie trails, with aid stations, cup free practices, shuttle service and age group awards.

This annual community event in Sun Prairie features a 5k race and a kids' fun run, with a course on neighborhood bike paths. Proceeds go directly to support the local high school cross country team.

Run The Hawk is a looped trail event at Blackhawk Ski Club near Middleton, WI offering 3, 6 and 12 hour lap challenges on a 2.25 mile loop and a shorter 1.7 mile fun run. The course features steep climbs, single track and a spring pool.

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.

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.

Trail races at Swiss Valley Nature Preserve near Peosta, Iowa, on a rugged 5.2-mile loop with 5.2-mile, 25K, and 50K options, free camping and shuttle service, and proceeds supporting local conservation.

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.

A fall event at Zachariah's Acres in Oconomowoc that raises funds for children with special needs. Routes include a half marathon, two 5K options including ruck, and a one mile family walk and roll through prairie and woodland scenery.

Trail loops at Bethel Horizons near Dodgeville WI with three distances, varied singletrack and ridge terrain, stocked aid stations, and awards plus a tech shirt and medal.

Run or walk on scenic trails at Fox Hill Nature Preserve to support land conservation. Choose from a 5K, 10K, or a 1-mile trail walk through forests and prairie. The event is chip-timed and benefits the Cedar Lakes Conservation Foundation.

A multi-loop trail ultramarathon in Dubuque set on a roughly 20-mile loop through the Mines of Spain Recreation Area, offering 100-mile and 100K options with substantial elevation and varied terrain.

Join the Jaimie Cox Memorial Run on October 17, 2026 in Roscoe, Illinois for a community 5K or 2 mile walk along the scenic Stone Bridge Trail. Family friendly with kids and virtual options, supporting the Jaimie Cox scholarship.