14th Green Monster Trail Challenge 50K
14th Green Monster Trail Challenge 50K is a 50 km ultramarathon in Wellsboro, PA, United States, taking place on Oct 11, 2026. This edition has already taken place.
- Date
- Oct 11, 2026
- Distance
- 50 km
- Location
- Wellsboro, PA, United States
- Format
- Fixed distance