Trail Running calendar near Byron 2026-2027

We have found 60 Trailruns within 80 miles of Byron. See below where and when you can find the races.

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.

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.

Event Overview The Broken Rock Trail Runs take place at Bethel Horizons in Dodgeville, Wisconsin, within the Driftless Area. The event name comes from the Broken Rock Trail, which features a steep rock-stair climb near the finish. Distances..

Event Overview The Mines of Spain 100 is a trail race taking place in Dubuque, Iowa. The event offers two distances: a 100-mile race and a 100-kilometer race. Both races start at Louis Murphy Park. Course Details The course consists of a lo..

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..

Experience a haunted 5k trail run in Pingree Grove featuring live actors and animatronics. Stay for the bonfire and costume contest at this unique evening event.

Fancy Nonsense 25k/50k The Fancy Nonsense 25k/50k is described as a nonsensical running experience born from mischief and imagination, designed to provide a space for the joy of running. The event takes place in the Palos Trail System at Re..

Celebrate Halloween and support animal shelters at this dog friendly 5k in Busse Woods. Enjoy a flat paved course with treats for both humans and leashed pets at the finish line.

Experience the historic Ice Age Trail during this autumn ultramarathon in the Southern Kettle Moraine Forest. Choose between 50k and 100k distances featuring on site branded wooden medals and scenic fall colors.

November 2026

Embrace an autumn adventure at the Big Timber XC Challenge, a trail run featuring a famous creek crossing through the woods of Camp Big Timber. Choose between a 3-mile or 5-mile course on grass and gravel paths. All runners get a shirt and..

Experience the diverse terrain of the historic Lemont Quarries with four trail race distances ranging from 10K to 60K. Runners navigate a mix of flat gravel paths and technical single-track trails through the woods.

Explore the forest trails and hills of Lake Geneva at this multi distance trail event. Choose from several individual races or join a team relay for a day of outdoor activity and festival atmosphere.

February 2027

Experience a unique 5K race held entirely on the frozen surface of Lake Mendota. Participants can run walk or skate across the ice while enjoying scenic views of downtown Madison and the university campus.

May 2027

Misty's Legacy is a virtual 100-mile challenge supporting the preservation of the historic Beebe Ranch. Participants walk, run, ride, or cycle at their own pace, tracking progress for a commemorative medal. The event is open to all and oper..