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Muleskinner Endurance Races

Erwinna, United States • 18 Oct 2025

The MuleSkinner Endurance Races take place in Upper Black Eddy, Pennsylvania, featuring distances of 50 miles, 50K, marathon, and half marathon. The course primarily follows the scenic, non-technical towpaths along the Pennsylvania side of the Delaware River, offering beautiful views and an easy trail experience. The event is known for generous cutoff times and well-stocked aid stations, making it ideal for first-time ultra and trail marathon runners.

Participants finishing within time limits receive custom medals and tech shirts, with special awards for top finishers. Camping near the start/finish line and local lodging options are available. The race supports local nonprofits dedicated to preserving the area's natural and historic landscapes. Visit the organization's website for the most recent information.

United States Pennsylvania Erwinna

Race information

Website Registration
50 mi
50 Miler
50 km
50k
26 mi
Marathon
13 mi
Half Marathon
Visit the organization's website for the most recent information.
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