Trail Running calendar near McHenry 2026-2027

Tough Mudder Chicago brings its signature obstacle course to Rockford International Airport. Choose from a 5K, 15K, or the 8-hour Infinity challenge, tackling mud, trails, and unique obstacles. Finishers earn a medal, headband, shirt, and a..

Experience a technical trail race through the bluffs and forests of Franklin Creek State Natural Area. Choose between 5K and 10K distances featuring multiple creek crossings and significant elevation gains.

Take on a scenic one mile loop at Lapham Peak with 24, 12, and 6 hour timed options or set distance goals like a marathon or 50 miles. Lighted night laps, a stocked aid station, and a welcoming club vibe make every lap count.

Experience a flat and fast USATF certified course through the scenic crushed limestone trails of Danada Forest Preserve. Choose between a half marathon or 10k and enjoy a unique finish around a historic grass horse track.

Timed running event on a 1-mile paved loop in a Chicago park. Choose from 3, 6, or 12-hour solo runs, or a relay team option. A new challenge is introduced every hour, adding a unique twist to the timed format.

This obstacle course race at Indiana Dunes National Park offers three distances, including a K9 event. The course features diverse terrains inspired by military landscapes. It's open to participants aged 13 and up.

Experience a rugged obstacle course race featuring hills, cliffs, and wooded trails in Marseilles. Choose from competitive 10K heats, multi lap challenges, or non competitive fun runs and rucking divisions for all interest levels.

Experience ten miles of hills and winding trails through the Byron Forest Preserve and Nardi Equine Prairie. This cup free race features cash prizes and a post race celebration with pizza at Hairy Cow Brewing Company.

Experience a 136 mile journey along the scenic Ice Age State Trail in Wisconsin. This endurance event features diverse terrain and comprehensive aid station support over a 55 hour timeframe.

Event Details The Hindsight Ultra Trail Runs take place in Dixon, Illinois. The event offers four distances: a 100 Miler, a 100k, a 50k, and a 25K. The course consists of loops starting behind the Dixon Park District Facility. Each loop is..

The Bloomingdale Trail 5K is an annual family-friendly running event in Chicago. It features a timed 5K race alongside shorter dashes for young runners. Registration is available for all three distances.

Experience natural dirt trails and scenic views at this Janesville event featuring a competitive 5k run and casual walk. Stay for the heritage celebration with food trucks and live music after you finish.

Experience a chip timed 5k trail run through the diverse terrain and scenic landscapes of Oakdale Nature Preserve. All proceeds support local park projects and trail maintenance.

Run or walk along the tree lined Oak Leaf Trail before finishing at the Oktoberfest celebration in Glendale. This event features a 5k run and a 54 yard dash with post race refreshments and festival entry.

Participate in a half marathon, 5K, or rucking event at Zachariah's Acres in Oconomowoc. Support nature based programs for children with special needs while exploring prairie trails and wildflowers.

Join this community run and walk at Vollmer Road Grove Forest Preserve to support homeless school children. Participate in person on the paved 5K trail or join virtually to help provide essential school supplies for families in need.

Experience a fast and flat crushed gravel trail through the forests and wetlands of Lake County. Featuring four distances from a half marathon to a 50 mile ultra, these races offer a scenic out and back course perfect for personal bests.

Run or walk through the beautiful Fox Hill Nature Preserve this fall. Choose from trail runs, a walk, or a kids' race, all supporting local land conservation. Experience deciduous forests, restored prairies, and scenic glacial moraines.

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.

Take on the Soul Crusher trail run through the forested paths of Veteran Acres & Sternes Woods in Crystal Lake. The event features a 5-mile loop course with a chance for extra mileage, finishing with a unique skeleton medal. Prepare for a c..