Logo

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.
Trail runs nearby

Camptown Races

Camptown - 25 mi from Forksville

The Camptown Races, held in Camptown, Pennsylvania, is a historic running event featuring a 10k race, a 5k race, and a 10k relay. The 10k course is unique, combining both road and a challenging 2.8-mile technical trail section with obstacles such as tree roots, loose rocks, and a creek crossing. Thi..

Think Big Trail Challenge

South Williamsport - 27 mi from Forksville

The Think Big Trail Challenge, held in South Williamsport, PA, offers 5K and 10K trail runs through scenic and historic terrain at the Williamsport Water Authority trails. The courses feature a mix of smooth singletrack, rugged climbs, and flowing descents. The 5K route includes gravel roads, forest..