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Worlds End Ultramarathon

Forksville, United States • 30 May 2026

The Worlds End Ultramarathon is a challenging trail race held in Forksville, Pennsylvania, exploring the rugged Loyalsock Trail, Loyalsock State Forest, and Worlds End State Park in the Endless Mountains. It offers two distances: a 100k (63.8 miles) with 12,395 feet of elevation gain, and a 50k (31.4 miles) with 5,915 feet of elevation gain. Both courses feature predominantly single-track trails with stunning vistas, waterfalls, rock formations, and diverse forest scenery. The 100k includes 13 aid stations and allows pacers, while the 50k has 6 aid stations with no pacers. The race is known for its tough terrain, breathtaking natural beauty, and a supportive post-race atmosphere with hearty food. Visit the organization's website for the most recent information.

United States Pennsylvania Forksville

Race information

Website Registration
100 km
12000 m+
100k
50 km
5800 m+
50k
Visit the organization's website for the most recent information.
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