Boulder Beast
Lock Haven, United States • 19 Sep 2026
Boulder Beast : Lock Haven, PA
Boulder Beast is a trail event held on Bald Eagle Mountain near Lock Haven, PA. The course crosses varied terrain including a notable boulder field and named trails such as Goat Path, Lightning Ridge, Gut Check, Black Diamond, Crossover, Fleming Way, Chestnut Flats and the Gorge Trail. The longer course is about 24 miles and features approximately 6,000 feet of vertical gain.
The event offers two distance options:
- About 24 miles with technical boulder sections.
- 25K that reaches the boulder field and the Rote Overlook before returning.
The start and finish occur at the Castanea Township Fire Company picnic grounds, where free camping and parking are available without reservations. Pre-race packet pick-up and a Friday night gathering are part of the weekend schedule. After the race there is a post-race picnic with food and beverages.
Organizers enforce strict cut-off points at multiple aid stations for runner safety and volunteer support; participants who miss cut-offs are removed from the longer course or directed onto the shorter course. Registration opens in December 2025 and is limited to the first 600 entrants or the September 1 deadline. Entry fees are nonrefundable and bib transfers or deferments are not permitted. Visit the organization's website for the most recent information.