Trail Running calendar near Rockford 2026-2027

The Sugar Badger 50 Miles is a trail ultramarathon scheduled for May 2026. Organized by Ten Junk Miles Racing, it focuses on a community atmosphere on the trails. The event is a single 50-mile distance challenge.

Test your grit at Byron Motosports Park with tactical obstacle courses ranging from 5K to 10K endurance laps. Choose from elite vest challenges, weighted rucking, or open waves designed to honor the resilience of first responders.

Join the free Dirt Circus community running festival in Crystal Lake on May 30, 2026. Choose between a 4.3-mile or 6.8-mile social group run, then enjoy a festival with food, an expo of local brands, and a raffle. Meet race directors and co..

This 5K run/walk takes place on the Rock Run Greenway Trail in Joliet, starting and ending at Cemeno's Pizza. All proceeds support local cancer patients through the Pat Clark Cancer Foundation. Registration includes a T-shirt and finisher m..

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.

Experience the natural beauty of St. Charles at the Hickory Knolls Trail Run, featuring 5K, 10K, and relay options on scenic grass and dirt forest pathways.

Experience one of the oldest 100 mile races in the US on the scenic Ice Age Trail. This all-trail event offers distances from 38 miles to a 100 mile Western States qualifier in the heart of Wisconsin.

Experience an authentic cross country race on a purpose built grass course in Geneva Illinois. Run as an individual or part of a team on this wide professional grade venue featuring rolling terrain and a classic atmosphere.

Experience the glacial landscapes of Wisconsin at the Whitewater Trail Challenge. Run along the historic Ice Age Trail with 10K, Half Marathon, and 50K distances starting from the scenic Rice Lake Nature Trail.

Experience the natural beauty of Wolf Road Woods with 3, 6, or 9 mile trail runs on a scenic loop course. Enjoy a relaxed atmosphere featuring off road terrain and post race celebrations in the heart of the Palos Trail System.

This cross country run on July 4th in Williams Bay offers a 5K on grass trails through the Kishwauketoe Nature Conservancy. A kids' quarter-mile event is also available. Registration is online only, with awards for top age-group finishers.

Experience the Savage Race in Spring Grove with obstacles and mud across multiple distances. Choose between a five to seven mile course or the shorter three mile Blitz for an engaging outdoor fitness experience.

Join an inclusive multi-state running series in the American Midwest. Choose from distances ranging from a 5K to a 50K with no time limits and a supportive community atmosphere.

Circle a half-mile paved loop at Lowell Park for 6, 12, or 24 hours. Track your own distance while enjoying a supportive nighttime community atmosphere. The event includes competitions and space for a personal aid station.

This 10k walk/run explores the trails of Kettle Moraine State Forest in Wisconsin. It's a cup-less event with water refills and snacks provided. A portion of donations supports The Salvation Army.

Experience a Scottish themed obstacle course race in Pingree Grove featuring 15k, 5k, and family 3k distances. Challenges include classic rigs and unique tasks like archery and caber carries in a Highland setting.

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.

Experience the beauty of New Glarus Woods State Park with trail races ranging from 5k to 16k. This annual event features forested loops and prairie views while supporting park conservation efforts.

Run the Hawk offers timed trail challenges on a scenic 2.25-mile loop at Wisconsin's Blackhawk Ski Club. Choose from 3, 6, or 12-hour solo or relay events, or a shorter 1.7-mile fun run. The event features unique course landmarks, team tent..

Experience the scenery of Elburn at Run the Rails featuring 1-mile, 4-mile, and 7-mile courses. Cross the Union Pacific West rail line and enjoy unique views of the Illinois countryside.