Trail Running calendar near Delafield 2026-2027

Run the Whitewalker Ultra 100k in Palmyra WI on January 17 to 18 2026, a winter trail challenge of two 50k loops from Emma Carlin campground across the Ice Age and Scuppernong trails. Limited spots remain so register by January 16.

Tour de Trails is a four race winter trail series around Rockford IL from December to March, featuring 3, 6, 9 and 12 mile routes through scenic local preserves. Expect icy, snowy conditions and a friendly community vibe supporting Rockford..

Run a winter trail 5K at Dick Young Forest Preserve in Batavia on Jan 24, the first of three races in the Fox Valley Winter Challenge. Trails may be snowy or muddy; finishers get snacks, a medal and a cozy winter hat.

Run the Frozen Tundra IPA 5K along the Des Plaines River Trail, then warm up at Half Day Brewing with music, beer, hot toddies and food. Limited to 300 runners, entries include shirts, medals and a lively post race party.

On February 7, 2026 join the Frozen Assets 5K in Madison and run or skate across the frozen surface of Lake Mendota, starting and finishing at The Edgewater. Enjoy scenic views of downtown and the UW Madison campus during the Frozen Assets..

Run the Fox Valley Winter Challenge 8K on Feb 21 at Oakhurst Forest Preserve in Aurora, a mixed terrain winter trail with possible snow, ice, or mud. All finishers get a medal and completing the series earns bonus gear including a hooded zi..

Tour de Trails is a four race winter trail series around Rockford IL from December to March, featuring 3, 6, 9 and 12 mile routes through scenic local preserves. Expect icy, snowy conditions and a friendly community vibe supporting Rockford..

Run with your dog through scenic wooded single track at Lake Geneva Ziplines, choosing a 4 mile loop or an 8 mile double lap. This friendly canicross event offers water at the start area, prizes for top teams, and a finisher token.

Tour de Trails is a four race winter trail series around Rockford IL from December to March, featuring 3, 6, 9 and 12 mile routes through scenic local preserves. Expect icy, snowy conditions and a friendly community vibe supporting Rockford..

Wrap up winter on scenic mixed trails at the Fox Valley Winter Challenge 10K in St. Charles on March 22, 2026. Expect varied footing, a finisher medal and cozy winter hat, plus bundle pricing if you tackled other series races.

Trailbreaker in Waukesha invites runners to scenic courses along Glacial Drumlin and Fox River trails, with distances from marathon to Kids 1K. New ruck events add variety while proceeds support local parks and the urban forest.

Explore seven walker friendly trail races across Waukesha County and Wisconsin state parks from April to October 2026. Choose 5K 10K half marathon or ruck distances, bring reusable hydration, and chase series points into a final championshi..

Take on a scenic point to point tour of the Northern Kettle Moraine Ice Age Trail in Greenbush, Wisconsin, on April 11. This supported, noncompetitive run offers 50K and 25K options with aid stations, drop bags, and finish refreshments.

Celebrate Earth Day at Crystal Lake with 50K, 15 Mile and 5 Mile trail options on a rolling 5 mile loop around the pond. Enjoy single track, a main aid station with homemade fuel and an eco friendly vibe.

Childish Nonsense is an April trail race at Deer Grove Forest Preserve with looped distances from 10K to 50 mile. Expect playful shenanigans, regular aid at the start area, and free entries for BIPOC and LGBTQ+ runners.

Join Moonlight Meltdown and Sunset Safari in Belgium, Wisconsin for a flat, well lit 5k or a scenic 10k into Harrington Beach State Park. Chip timing, shirts and refreshments raise funds for Belgium Fire and Rescue and local youth programs.

Run the Donald Dash Trail Run at Donald County Park in Mount Horeb on May 2, 2026 for scenic prairie, sandy and hilly single track trails and distances of 5 km, 15 km and a Kids One Mile Fun Run. All net proceeds fund Friends of Donald Park..

Run the Great Western Half Marathon and 10K on a flat out and back limestone path along the historic Great Western Trail. Hosted by Fox River Trail Runners, this longtime race supports local mental health charities.

A trail event in Delafield, Wisconsin offering half marathon, 10K, 5K, ruck options and a Kiddos 1K; proceeds benefit Tall Pines Conservancy and courses use marked park trails.

Run the Sugar Badger 50/50 and Half in Belleville WI with 50M, 50K and half marathon options on flat, scenic Badger and Sugar River trails with trestles and a short tunnel. Aid, free photos, pizza and beer await finishers.