Trail Running Calendar Wisconsin 2025-2026

The Icebox 480/240 is a timed endurance running event held at Whitetail Ridge in River Falls, Wisconsin, near the Twin Cities. Participants choose between a 4-hour (240 minutes) or 8-hour (480 minutes) challenge, running multiple loops of a scenic single-track trail approximately 5 miles per loop. I..

The Bucks & Does 13.1 Pointer is a running event taking place in Nashotah, Wisconsin, featuring multiple race distances including a 5K, 10K, and a half marathon (13.1 miles). Participants can enjoy a scenic course primarily on well-groomed trails, with over 60% shaded by trees. The event embraces a..

The Fast Eddie 50k, held at Lapham Peak in Delafield, Wisconsin, is an endurance event featuring a 50K ultra and a 5K race. The 50K consists of five loops on the scenic and challenging Blue Loop trail, known for its rolling terrain and beautiful woodland views. The 5K is an out-and-back course on th..

The Quiet Silence 50k is a unique running event taking place in Lake Mills, Wisconsin, on December 5-6, 2025. Participants will tackle an out-and-back course on the scenic Glacial Drumlin State Trail, which features a mostly flat, crushed gravel surface. Runners have eight hours to complete the 50k..

The Guv'nor Frozen 50K is a challenging winter trail running event held at Governor Dodge State Park in Dodgeville, Wisconsin. Scheduled for early December, it offers three distance options: 50K, 25K, and 15K. The courses feature a mix of horse trails, dirt single and double tracks, and prairie path..

The Phillips Flurry is an annual winter sporting event held in Phillips, Wisconsin, featuring 5K and 10K snowshoe races, runs, and walks. It serves as the venue for the Wisconsin State Snowshoe Championships, attracting participants who enjoy snow-covered trails in a scenic forest setting. The event..

The Frozen Assets 5K Run/Walk is a unique event hosted by Clean Lakes Alliance, taking place on a frozen lake in Madison, Wisconsin. Participants can choose to run or walk across the ice of Lake Mendota, enjoying stunning views of downtown Madison and the University of Wisconsin-Madison campus. The..

ARKTOS is a challenging ultra running event held in Dousman, Wisconsin, featuring 6, 12, and 20-hour race options for solo runners or relay teams of up to four. Set in a quiet, cold forest environment with frozen ground, the race tests participants' endurance and mental toughness in potentially unco..

The NK50k is an annual 50-kilometer point-to-point trail run held in Greenbush, Wisconsin, along the Northern Kettle Moraine Ice Age Trail. The course features diverse terrain, including smooth ski trails, rocky and rooty sections, and the highest point in the Northern Kettle Moraine State Forest. R..

The WausaUltra event, held in Wausau, Wisconsin at Sylvan Park, offers three race formats: Limitless, Double, and Solo. The Limitless race is a "last runner standing" challenge where participants run a 4.167-mile mostly trail loop every hour starting Friday morning, continuing until only one runner..

The Donald Dash Trail Run is a popular trail race held at Donald County Park in Mt. Horeb, Wisconsin. It features well-marked courses through a scenic rural setting with diverse ecological views, welcoming both newcomers and experienced runners.The event offers distances including 5 km and 15 km, wi..

Rumble on the Ridge is a challenging endurance running event held on a family dairy farm in Arena, Wisconsin, within the scenic Driftless Area. Participants run a looped course called "The Drifty Mile," approximately 1 to 1.25 miles long with at least 250 feet of elevation gain. The race follows a L..