Trail Running calendar near Delafield 2025-2026

The Tour de Trails is a series of running events organized by the Rockford Road Runners, featuring various distances including 6 miles, 9 miles, and 12 miles. Scheduled for early 2025, these races are designed to promote community engagement and encourage participants of all skill levels to enjoy th..

The Frozen Tundra IPA 5K is an exciting running event taking place in Lincolnshire, Illinois. Participants can enjoy a brisk 5K run, with all runners receiving a long sleeve shirt, a finisher medal, and a $15 gift card to local establishments. The event also features a lively post-race party, comple..

The Frozen Assets 5K Run/Walk, organized by Clean Lakes Alliance, invites participants to experience a unique running event on the frozen surface of Lake Mendota in Madison, Wisconsin. This event features both a chip-timed 5K and an untimed walk, allowing individuals of all ages to join in the fun. ..

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. With a cap of 160 runners, the event is ..

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 water, sports drinks, and snacks throughout the rou..

The Trailbreaker is a running event scheduled for April 6, 2025, in Waukesha, Wisconsin. It features a variety of race options, including a marathon along the scenic Glacial Drumlin Trail, a half marathon, 10K, 5K, a walking event, and a Kiddos 1K for children. This event not only promotes fitness a..

The Earth Day 50K/15 Mile/5 Mile event, taking place on April 26, 2025, in Crystal Lake, IL, offers participants a choice of three race distances. The course features a scenic 5-mile loop through single track and rolling hills, designed to challenge runners while promoting a landfill-free environmen..

Childish Nonsense is a whimsical running event taking place at Deer Grove Forest Preserve in Palatine, IL. Participants can choose from various distances, including a 50 Miler, 50K, 25K, and 10K, all set on a wide, non-technical trail. The event emphasizes community and inclusivity, offering free en..

The Prickly Pine Jackpot 24 Hour Solo/Relay is an exciting long-distance running event taking place in the scenic Kettle Moraine State Forest. Scheduled for May 3-4, 2025, participants can choose from various race formats, including 6-hour, 12-hour, and 24-hour solo or relay options. The course feat..

The Great Western Half-Marathon & 10K, organized by the Fox River Trail Runners, is a well-established running event held on the scenic Great Western Trail. Celebrating over 25 years, this competitive race features a flat, out-and-back course, making it accessible for runners of all levels. Schedule..

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..

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 in the scenic Kettle Moraine region, featuring a variety of race distances including 100 miles, 100k, 50k, and 38 miles. Established in 1996, this trail race showcases the beautiful Ice Age Trail, with 65 miles of the cour..

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, and a 50K, all set against the stunning backdrop of the Ice Age Trail, a 1,200-mile scenic footpath. The cou..

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 ..

The Dawn to Dusk Endurance Run is an exciting running event taking place at Camp Sinawa in Valders, WI, on June 28-29, 2025. Participants can choose from various race durations, including 24 hours, 15.5 hours, 8 hours, 6 hours, and a unique Dusk to Dawn challenge. The course features a scenic 4.5-mi..

The Kishwauketoe 5K Cross Country Run is an exciting running event taking place at the Kishwauketoe Nature Conservancy in Williams Bay, Wisconsin. The event features a 5K run/walk and a children's 1/4 mile walk/run, making it accessible for participants of all ages. The course winds through scenic g..

Dances with Dirt Devil's Lake is an exciting midsummer trail running event set in the stunning landscape of Devil's Lake, Wisconsin. Participants can choose from various distances, including 10K, half marathon, full marathon, 50K, and 50-mile races. The event features a marked course with aid statio..

The Last Dot Standing event, hosted by Ten Junk Miles, takes place from September 19 to 22, 2025, in Belleville, WI. This unique running challenge requires participants to alternate between running 4.2 miles to Dot's Tavern and back, with a one-hour time limit for each leg. The event continues until..