Trail Running Calendar Wisconsin 2025-2026

ARKTOS is an ultra-running event taking place in Dousman, Wisconsin, from February 22 to 23, 2025. The event features various challenges, including 6-hour, 12-hour, and 20-hour races, available for both solo runners and relay teams of up to four participants. The race is capped at 160 runners, empha..

The Squirrel Hill Loopy Loppet is a fun winter sports event held at Minocqua Winter Park, designed to celebrate the end of the ski season. Participants can choose between skate or classic skiing techniques, with options for a 6km race (one loop) or a 12km race (two loops). Costumes are encouraged, a..

The NK50k is an annual trail running event held in Greenbush, Wisconsin, featuring a scenic point-to-point course along the Northern Kettle Moraine Ice Age Trail. Participants can expect a fun and challenging experience, with aid stations providing refreshments and support throughout the 50K distanc..

The Trailbreaker is an annual running event held in Waukesha, Wisconsin, since 1993, featuring a variety of races including a Marathon, Half Marathon, 10K, 5K, Walk, and a Kiddos 1K. Organized by the Park Foundation of Waukesha, the event serves as a fundraiser to enhance local parks and recreation..

The Tour de Dodge is an annual trail running event organized by the Driftless Trail Collective, taking place at Governor Dodge State Park in Dodgeville, WI. Scheduled for April 19, 2025, the event features three race distances: 50K, 27K, and 10K, with varying elevation gains and aid stations along t..

NCTRaces: Bird Sanctuary is a running event taking place in the Douglas County Wildlife Area, known for its scenic brush prairie habitat. Participants can choose between two distances: a 10k and a 20k, both primarily on single-track trails. The 10k course features a mix of open prairie and wooded ar..

The Chippewa Trail Races, taking place on April 26, 2025, in New Auburn, Wisconsin, offers a variety of trail running events including a 50K, 50K Relay, 20 Miler, and 10K. The courses primarily utilize the scenic Ice Age Trail and Circle Trail, featuring an out-and-back format marked with pink flags..

The Sunset Safari 10k Trail Run is part of the 12th Annual Moonlight Meltdown event, taking place in Belgium, Wisconsin. This hybrid/crossover trail run offers participants a scenic experience through Harrington Beach State Park, featuring a 1.2-mile stretch on a snowmobile trail. The event is organ..

The WausaUltra event, taking place from May 2 to 5, 2025, in Wausau, WI, features three unique race formats: Limitless, Solo, and Double. The Limitless race challenges participants to run a 4.167-mile loop as many times as possible until only one runner remains, while the Solo and Double options all..

The Popple Shoot Trail Races, organized by Big Slo Running, will take place in Minong, Wisconsin, on May 3, 2025. This event features four race distances: 10K, 25K, 62K, and 87K, all set on a mix of flat public ATV trails, single lane ATV trails, and county roads. The races aim to raise funds for fo..

The Prickly Pine Jackpot 24 Hour Solo/Relay is an exciting long-distance running event taking place in the scenic Kettle Moraine State Forest. Participants can choose from various race formats, including a 6-hour, 12-hour, 24-hour solo, and a 4-person relay. The course features three unique loops of..

The Willow 20 Miler is an exciting trail running event taking place at Willow River State Park in Hudson, Wisconsin. Participants can choose between a challenging 20-mile course featuring two scenic loops or a 10-mile course that navigates a single loop of picturesque grass and gravel trails. The ev..

The Donald Dash Trail Run is an exciting running event taking place in Mount Horeb, Wisconsin, featuring two race distances: a 5K and a 15K. Designed to cater to both novice and experienced runners, the course includes a mix of prairie, single track, and hills, providing a challenging yet enjoyable..

Rumble on the Ridge is an exciting endurance event inspired by the Backyard Ultra format, taking place on a family dairy farm in Arena, Wisconsin. Participants navigate a looped course, known as "The Drifty Mile," which varies between 1 to 1.25 miles with a minimum elevation gain of 250 feet. Runner..

The Sugar Badger 50/50 and Half is a scenic running event taking place in Belleville, Wisconsin, featuring a 50-mile, 50K, and half marathon distance. The race is set on the flat and soft rail trails of the Badger State Trail and the Sugar River State Trail, offering picturesque views, trestle bridg..

The Tomorrow River Trail Half-Marathon is a scenic running event taking place in Plover, Wisconsin, with the course extending to Amherst, ending at Central Waters Brewing Co. Participants will enjoy over nine miles of the route along the picturesque Tomorrow River Trail. Scheduled for June 1, 2025,..

Bong Backyards is an exciting trail and ultra running event scheduled for June 6, 2025, at the Richard Bong State Recreation Area in Brighton, WI. This event caters to runners of all skill levels, offering multiple race distances, including the challenging Backyard Ultra and the shorter Backyard 24...

The Kettle Moraine 100 Endurance Races is a premier ultra marathon event held annually in June, featuring a variety of race distances including 100 miles, 100 kilometers, 50 kilometers, and 38 miles. Established in 1996, this trail race showcases the scenic beauty of the Kettle Moraine State Forest,..

The Whitewater Trail Challenge is an exciting running event taking place on June 21, 2025, in Whitewater, Wisconsin. Participants can choose from three race distances: a 10K, a half marathon (21K), and a 50K, all set against the stunning backdrop of the Ice Age Trail. This iconic trail spans 1,200 m..

The Sunburst 12 Hour Trail Festival, taking place on June 21, 2025, at Sunburst Ski Area in Kewaskum, WI, offers both 6 and 12-hour solo and relay running events. Participants will navigate a challenging course featuring scenic trails and significant elevation changes. Runners will receive a golden..