Worlds End Ultramarathon

Forksville, United States • 31 May 2025

The Worlds End Ultramarathon is a challenging foot race set in the stunning landscapes of Loyalsock State Forest and Worlds End State Park in Pennsylvania's Endless Mountains. Participants can choose between a 100k and a 50k course, both featuring rugged, scenic trails with significant elevation gains—approximately 12,000 feet for the 100k and 5,800 feet for the 50k. The event is known for its breathtaking vistas, waterfalls, and diverse terrain, making it a true test of endurance. With multiple aid stations offering refreshments, the race promises a rewarding experience for those ready to tackle its demanding routes. 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.
Trail runs nearby