Green Monster Trail Challenge
Wellsboro, United States • 11 Oct 2026
Green Monster Trail Challenge
The Green Monster Trail Challenge is a trail running and hiking event held in the Tioga State Forest near Wellsboro, Pennsylvania on October 11, 2026. The event offers multiple course options that run through mountain trails and include significant elevation gain.
Distances and total ascent:
- 15K 1700 ft total ascent
- 25K 4000 ft total ascent
- 50K 7800 ft total ascent
A single entry price applies and participants choose one of the listed distances; the event features a shared post-race gathering. Race-day services listed by the organizer include maintained aid stations, race day swag, finisher awards, post-race lunch, and music and entertainment.
Registration is handled online and the field is limited to 350 runners; if the race fills a wait-list will be maintained on a first-come, first-served basis. The organizer specifies a strict no-refund policy and states there are no deferrals, switches, or transfers once registration is completed.
The event materials reference course maps, directions, and local lodging and camping information. The format accommodates both runners and hikers by offering distinct distances and trail-based routes within the Tioga State Forest near Wellsboro. Visit the organization's website for the most recent information.