Mosquito Hill Endurance Run

New London, United States • 25 Oct 2025

The Mosquito Hill Endurance Run is an annual trail running event held at Mosquito Hill Nature Center in New London, Wisconsin. It features multiple race options, including 3, 6, and 12-hour timed events, as well as a fun 5k that participants can start anytime between 9 a.m. and 5:30 p.m.

The course is a 3.4-mile loop through wetlands, prairies, and forests, suitable for runners of all skill levels due to its wide, non-technical trails. The event emphasizes community and environmental conservation, with all proceeds supporting the park. Organized by volunteers, the race offers aid stations, medals, and awards, encouraging participants to set personal mileage records. Visit the organization's website for the most recent information.

Race information

12 hr
400 m+
12 Hours
6 hr
400 m+
6 Hours
3 hr
400 m+
3 Hours
5 km
Fun 5k
Visit the organization's website for the most recent information.
Trail runs nearby

Twisted Roots is a trail running event held at High Cliff State Park in Sherwood, Wisconsin, on September 28, 2025. It features both a half marathon and a full marathon, offering scenic views of Lake Winnebago, technical single tracks, rolling prairies, and the cliffs of the Niagara Escarpment. The..