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.