Green Monster Trail Challenge

Event Details

The Green Monster Trail Challenge takes place on Sunday, October 12, 2025. Join us for a challenging adventure in the stunning mountains of Tioga State Forest.

• Date: October 12, 2025
• Location: Wellsboro, PA
• Start Times: 50K - 7:30 AM, 25K - 9:00 AM, 15K - 10:45 AM

Course Distances and Ascent

• 50K: 7800' Total Ascent
• 25K: 4000' Total Ascent
• 15K: 1700' Total Ascent

Registration Details

Registration closes on September 28, 2025, at 11:59 PM ET.

Amenities

• Challenging Trails
• Superbly maintained Aid Stations
• Post Race Feast & Libations
• Music and Entertainment
• Finisher Medals & Swag Giveaways

Registration Fees

• 50K: $98.12 ($110.00 after Sep 06)
• 25K: $76.87 ($87.50 after Sep 06)
• 15K: $66.25 ($76.87 after Sep 06)

Join us for a race experience filled with cheer, camaraderie, and a challenge that will put your limits to the test!