Trail Running calendar near Brighton 2025-2026

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 Arctic Frog Run in Libertyville, IL, is a challenging endurance event held in early December, featuring distances of 50K, 25K, 15K, 10K, and 5K. The scenic course combines pavement, wooded, and crushed limestone trails around the Des Plaines River and Casey Trails, with rolling hills adding to t..

The Frozen Gnome is a challenging winter trail running event held in Crystal Lake, Illinois, at Veteran Acres park. Featuring a triple black diamond-rated course, the race offers a 50K ultra run, a 10K race, and relay options for teams of two or five. The course consists of a scenic 10K single-track..

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 Earth Day 50k is a trail running event held at Veterans Acres in Crystal Lake, Illinois. It offers three race distances: 50 kilometers, 15 miles, and 5 miles, all starting together on a 5-mile loop course featuring single track trails and rolling hills. The race emphasizes an eco-friendly approa..

Childish Nonsense is a trail running event held in Palatine, Illinois, at Deer Grove Forest Preserve West. It offers multiple distances including a 50-mile, 50K, 25K, and 10K, with courses consisting of laps on a mostly wide, non-technical trail. Runners encounter a single aid station at the start/f..

The Sugar Badger 50/50 and Half is a scenic trail running event held in Belleville, Wisconsin, featuring distances of 50 miles, 50 kilometers, and a half marathon. The race takes place on the flat, soft rail trails of the Badger State Trail and Sugar River State Trail, which include trestle bridges,..