Trail Running calendar near Janesville 2026-2027

We have found 82 Trailruns within 80 miles of Janesville. See below where and when you can find the races.

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

A multi-distance trail event in Southern Kettle Moraine State Forest offering ultra distances, a 50K and a 15K Fun Run, with aid stations, pacing rules, finisher awards, and proceeds funding forest projects.

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.

A trail event at Camp Big Timber on November 8, 2026 featuring 3- and 5-mile perimeter loops plus a kids fun run. The course includes grass, gravel, a creek crossing and a post-race pancake breakfast for all participants.

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 Thanksgiving 5K on the Green Bay Trail at Winnetka Train Station featuring rolling start waves, a family division, packet pickup before race day, post-race refreshments, and support for local charities.

December 2026

A winter trail event at Governor Dodge State Park on Dec 5, 2026 offering 50K, 25K and 15K over horse trails, single and double track with multiple aid stations, cup-less hydration, and specific pacer and crewing rules for the 50K.

Four winter trail races in Dixon, IL totaling 31 miles, with distances from 5K to 20K on varied terrain. Series prizes include overall standings and age category awards, and registration fees are nonrefundable.

A Canicross focused running event at Lake Geneva Ziplines and Adventures offering a 4 mile loop with an option to do two loops for 8 miles. Dogs may run hands free in Canicross or on a y shaped harness with a handheld leash.

A night out and back trail event in Lake Mills, WI offering 16 mile and 31 mile distances on a flat crushed-limestone rails to trails course with aid stations, required lights and reflectors, and finish tokens.

January 2027

A winter obstacle race at Lake Geneva offering 5K, 10K, a 20K Yeti Challenge, a kids course, team packs and a virtual option. Fun heats allow skipping obstacles while the Elite division requires full obstacle completion for podiums.

February 2027

A winter timed ultra in Dousman, Wisconsin offering 6, 12, and 24 hour options for solo runners or relay teams of up to four, set in winter woods and on a frozen lake with warming shelters, hot drinks, a meal, and finisher items included.

March 2027

A lap-based trail race at Lowell Park, Dixon IL offering 13.5, 22.5, and 33.75 mile options plus a relay. The course uses an alternating 2.25 mile loop, features a staffed aid station, timed cutoffs, awards, and event apparel for finishers..

April 2027

Trailbreaker returns to Waukesha on April 4, 2027 with races from a 1K kids run to a full marathon, plus ruck options and a walk. Proceeds support the Park Foundation of Waukesha and local parks and recreation.

A looped trail event at Deer Grove Forest Preserve west in Palatine, IL offering 5.5 mile, 25K, 50K and 50 mile distances. The course is mostly wide and not technical with one aid station at the start and playful on course shenanigans.

May 2027

Trail races at Donald County Park include 5 km, 15 km and a Kids One Mile Fun Run across prairie, single-track, sand and bridges. Proceeds support Friends of Donald Park for trail maintenance and repair.

Flat out and back half marathon and 10 km on the limestone Great Western Trail, hosted by Fox River Trail Runners. Registration fees and donations support three local mental health charities.

Rumble on the Ridge is a backyard ultra style last person standing race near Arena, Wisconsin, run on a 1 to 1.25 mile loop with 20 minute laps. The course reverses direction every four hours and includes 250 to 300 feet of elevation gain p..

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