Green Monster Trail Challenge
Wellsboro, United States • 11 Oct 2026
Green Monster Trail Challenge
The Green Monster Trail Challenge offers three trail distances through the mountains of Tioga State Forest near Wellsboro, Pennsylvania on October 11, 2026. The event is open to runners and hikers and is held at 176 Straight Run Road, Wellsboro, PA 16901.
Course options and total ascent:
- 15K - 1,700 ft total ascent
- 25K - 4,000 ft total ascent
- 50K - 7,800 ft total ascent
The event features maintained aid stations along the courses, race day swag, finisher awards, post-race lunch, and music and entertainment. Registration is available online and the field is limited to 350 runners; a wait-list will be created on a first-come-first-serve basis if the event reaches capacity. The organizer states a no refund policy: no refunds, no deferrals, no switches, and no transfers.
Bag and race bib pick-up ends half an hour before the race start. Additional event details, maps, directions, and local lodging information are provided by the organizer. Visit the organization's website for the most recent information.