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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. Participants run or walk on a 3.4-mile loop trail featuring wetlands, prairies, forests, and a climb to the top of Mosquito Hill, with about 400 feet of elevation gain per loop. The course is wide, non-technical, and suitable for all skill levels.

The event offers timed options of 3, 6, and 12 hours, allowing runners to cover as many miles as they can, plus a flexible 5k fun run. Proceeds support the nature center, and the race is volunteer-run. Amenities include aid stations, awards for top finishers, and finisher medals. Visit the organization's website for the most recent information.

United States Wisconsin New London

Race information

Registration Facebook
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.
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