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Cook Forest 25K Trail Challenge

Leeper, United States • 16 Aug 2025

The Cook Forest 25K Trail Challenge, held in Cook Forest State Park near Cooksburg, Pennsylvania, is a celebrated 25-kilometer (16.5-mile) trail race known for its stunning natural setting and challenging terrain. Since 2018, this event has attracted trail runners to experience a rugged loop course that connects 13 trails, featuring a steep climb up Seneca Trail to the historic Cook Forest Fire Tower and scenic stretches along the Clarion River and shaded Tom’s Run. The race offers a supportive atmosphere with three aid stations staffed by local high school teams, fostering a strong community spirit. Participants can enjoy diverse terrain amid ancient evergreens, making it both a physical challenge and a serene nature immersion. Visit the organization's website for the most recent information.

United States Pennsylvania Leeper

Race information

Registration
25 km
Cook Forest 25k Trail Challenge
Visit the organization's website for the most recent information.
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