Trail Running calendar near Rockford 2026-2027

Out and back trail races of 50 miles, 50K and half marathon on the Badger and Sugar River State Trails near Belleville, WI. Flat, soft rail trail with trestle bridges, scenic vistas and a 1/4 mile tunnel; generous cutoffs and aid stations.

Dirt Circus brings the trail running community together for a free festival in Crystal Lake. Enjoy a choice of group run distances, a vendor expo, food, and a raffle with prizes. Connect with local race directors and brands at this cupless,..

Run or walk a 5K on the Rock Run Greenway Trail in Joliet to support the Pat Clark Cancer Foundation. All proceeds go directly to helping local cancer patients and their families. Registration includes a T-shirt and finisher medal.

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 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.

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.

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 & 10K is set for September 5, 2026 in Wheaton, Illinois. Runners can choose from half marathon and 10K distances, with virtual options also available.

Course and Terrain The Echo 136 is a 136-mile ultramarathon that uses the Ice Age State Trail. The course travels north from the Southern Unit of the Kettle Moraine State Forest near Whitewater, Wisconsin. The terrain includes wide groomed..

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.