Trail Running calendar near New Berlin 2026-2027

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.

Test your endurance at the inaugural HELIOS Ultra in the Southern Kettle Moraine Forest. Choose between 6, 12, or 20 hour timeframes as a solo runner or a relay team.

A flat, fast trail event in Lake County on crushed gravel with 50 Mile, 50K, Marathon and Half Marathon options. The Marathon is Boston qualifying, the race is cup-less, and all finishers receive medals plus post-race food and awards.

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.

Trail races of about 5 and 10 miles through Veteran Acres and Sternes Woods in Crystal Lake, IL, with single-track trails, a cupless course, packet pickup options, and finisher medals for all distances.

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.

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.

Trail runs and a walking option use a rolling park course that starts at the southwest corner and returns through woods, service road, and open sections with occasional rough footing and visible seasonal foliage.

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..

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.

Bucks & Does 13.1 Pointer is a multi-distance running, walking, and ruck event at Nashotah Park on 11/14/2026. Distances range from a youth Bambi Run to a 13.1 Pointer, and every finisher receives a wooden finisher medal.

A community Turkey Trot through Atwood Park near 5k with chipped timing, common trail obstacles and door prizes. No GPS or timing devices are allowed and donations are collected for local causes.

A dog friendly trail running event at Lake Geneva Ziplines and Adventures with a 4 mile loop, an 8 mile option, and a focus on Canicross. Awards are reserved for teams running with dogs and all finishers receive a small gift.

A night running event near Lake Mills, WI on a flat crushed‑limestone rails-to-trails course offering 16 and 31 mile out-and-back distances with required lights, reflective gear, and cupless aid stations.

A winter obstacle event in Lake Geneva on January 30, 2027 offering distances from a kids course to a 20K Yeti Challenge, plus a competitive Elite division with cash prizes, team entries, and a virtual race option.

A winter trail ultrarun in Dousman, Wisconsin on Feb 27-28, 2027 offering 6, 12 and 24 hour solo or relay options, winter trail terrain, warming shelters, hot drinks and a post-race meal.