Worlds End Ultramarathon

Forksville, United States • 31 May 2025

The Worlds End Ultramarathon is a challenging trail running event set in the stunning landscapes of Loyalsock State Forest and Worlds End State Park in Pennsylvania. Participants can choose between a 100k and a 50k race, both featuring rugged, scenic single-track trails with significant elevation gains. The 100k course offers breathtaking views, waterfalls, and diverse terrains, while the 50k provides a shorter yet equally beautiful experience. With multiple aid stations offering a variety of refreshments, this event is designed for experienced runners seeking a tough and rewarding challenge amidst the natural beauty of the Endless Mountains. Visit the organization's website for the most recent information.

Race information

100 km
12395 m+
Worlds End 100k
50 km
5915 m+
Worlds End 50k
Visit the organization's website for the most recent information.
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