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 stunning views and an easy trail experience. Aid stations are well stocked, and generous cutoff times make it suitable for first-time ultra runners.

The event supports local nonprofits dedicated to preserving the area's natural beauty. Participants receive custom medals and tech shirts, with special awards for top finishers. Camping near the start/finish line and nearby lodging options add to the race's welcoming atmosphere. Visit the organization's website for the most recent information.

Race information

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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