Course
A mountain trail course in the Tioga State Forest, starting from 176 Straight Run Road, Wellsboro. The 15K climbs 1,700ft, the 25K 4,000ft and the 50K 7,800ft. The field is capped at 350 runners and the event welcomes hikers as well as runners.
50K50 km
25K25 km
15K15 km
Key dates
- ★Race dayOctober 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
A trail challenge designed for both runners and hikers of all ages, showcasing the mountains of the Tioga State Forest located in Wellsboro, PA.
Your next race, seen from above.
Save Green Monster Trail Challenge to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Green Monster Trail Challenge to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.