Worlds End Ultramarathon
Forksville, United States • 30 May 2026
Event overview
The Worlds End Ultramarathon is a trail racing event in Forksville, Pennsylvania. The event date is May 30, 2026. It offers two single-loop ultramarathon distances and registration opens December 6, 2025.
- 63.8 miles single-loop; about 12,000 ft elevation; 95% single/double-track.
- 31.4 miles single-loop; about 5,800 ft elevation; 98% single/double-track.
Course and features
Both courses follow the Loyalsock Trail, Loyalsock State Forest and Worlds End State Park. Routes run largely on rugged single-track and include waterfalls, cascades, rocky ledges, ponds, and multiple overlooks named on course maps. The 100k route includes additional side trails to complete the loop.
Logistics
The 100k has a 19-hour time limit and is supported by 13 aid stations; 4 of those aid stations are crew accessible and there are 3 pacer exchange locations. The 50k has a 12-hour time limit, 6 aid stations, no crew access, and pacers are not permitted. Aid stations list common ultra foods including fresh fruit and cooked items.
Entry fees listed on the event page are $195 for the 100k and $105 for the 50k. The listed event location is 82 Cabin Bridge Rd, Forksville, PA 18616. Visit the organization's website for the most recent information.