Available distances
About
The Worlds End Ultramarathon is a tough 100K (62 miles) and 50K (31 miles) trail ultra in Forks Township, Pennsylvania, on May 29, 2027, with starts at 5 a.m. and 7 a.m. respectively. It takes on the rugged, scenic Loyalsock Trail through Loyalsock State Forest and Worlds End State Park in Pennsylvania's Endless Mountains.
Known for its demanding terrain and breathtaking views, this event is not suited to beginners. Runners must cover technical trails with significant elevation change within a time limit, and several aid stations support them along the way. After the race, participants can enjoy a wide variety of food in a relaxed setting. The event is part of the Pennsylvania Triple Crown of Mountain Running series, which showcases the region's trail running culture.
Highlights
- Forest
- Off-road
- High altitude
- Park
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Races nearby
Other upcoming races around Forks Township.
Crystal Lake Ski and Outdoor Center Trail Race
May 8, 2027 · Hughesville, PA · 17 mi away
3.1 mi · 15.5 mi
Pie Gobbler de Hughesville
Nov 21, 2026 · Hughesville, PA · 17 mi away
13.1 mi · 9.3 mi · 6.2 mi · 3.1 mi
Paws For A Cause 5k - Williamsport
Apr 24, 2027 · South Williamsport, PA · 27 mi away
3.1 mi
May Day 5k / 10k
May 8, 2027 · Williamsport, PA · 27 mi away
6.2 mi · 3.1 mi · 0 mi
NCA 5k
Oct 31, 2026 · Columbia Township, PA · 27 mi away
3.1 mi
WVS Fall Trail 5.5 Mile Run
Oct 25, 2026 · Eaton Township, PA · 28 mi away
5.5 mi