About This Race
This ultra-distance test represents the full Green Monster experience, demanding sustained focus and mountain running skills over extended mileage through Tioga's most challenging sections. The 50K distance requires careful pacing and navigation strategy as runners encounter the complete spectrum of technical features the forest has to offer. Seasoned ultra runners will find this a worthy addition to their mountain racing resume.
The course winds through the mountainous terrain of Tioga State Forest, featuring rolling singletrack trails punctuated by demanding climbs and technical descents. Runners navigate multiple stream crossings throughout the route, adding both challenge and scenic variety. The terrain showcases the natural beauty of the area near Pennsylvania's Grand Canyon while testing runners with elevation changes and technical sections that require careful footing.
Elevation Profile
Elevation profile estimated from terrain data. Actual course may differ.
The course gains 8,465 ft over 31 miles, with the steepest section between mile 21–mile 21.
Location
Practical Info
Mid-October in Pennsylvania typically brings cool temperatures with potential for variable conditions ranging from crisp autumn weather to possible rain or early frost.
ELM - Elmira/Corning Regional Airport
Wellsboro is a small town with limited lodging options, so early booking is recommended given the race's popularity.
Best For
Notable Features
The Green Monster stands out for its intimate field size, multi-distance format allowing runners to choose their challenge level, and location in the scenic Tioga State Forest near Pennsylvania's Grand Canyon. The race has maintained consistent popularity for over a decade, often selling out before registration closes, creating a tight-knit community atmosphere where the focus remains on the pure challenge of the terrain rather than commercial polish.