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Green Monster Trail Challenge

Wellsboro, United States • 12 Oct 2025

The Green Monster Trail Challenge is an exciting trail running event held in the scenic Tioga State Forest in Wellsboro, PA. Participants can choose from three challenging distances: 15K, 25K, and a grueling 50K, each featuring steep climbs and technical descents. This event is designed for runners and hikers of all ages and abilities, showcasing the area's natural beauty. The race includes well-maintained aid stations, post-race festivities with food and entertainment, and unique finisher awards. With a limited capacity of 350 participants, early registration is encouraged to secure a spot in this thrilling outdoor challenge. Visit the organization's website for the most recent information.

United States Pennsylvania Wellsboro

Race information

Website
50 km
7800 m+
50k
25 km
4000 m+
25k
15 km
1700 m+
15k
Visit the organization's website for the most recent information.
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