Cook Forest 25K Trail Challenge
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Cook Forest 25K Trail Challenge : Cook Forest State Park
The Cook Forest 25K Trail Challenge takes place in Cook Forest State Park in Cooksburg, PA on August 15, 2026. The event is a looped trail course covering more than 17 miles and uses 13 interconnected trails. The advertised distance is 25K.
The start, finish, and packet pickup are at Shelter 2, address 2604 Forest Rd., Vowinckel, PA 16233. GPS coordinates are 41.34609 N, 79.21845 W. Packet pickup and day of registration are available at Shelter 2 from 7:45 to 8:45 the morning of the race. Registration is offered through UltraSignup and closes on August 8 at 11:59 PM ET.
The course includes an initial climb on Seneca Trail to the Cook Forest Fire Tower, sections that run alongside the Clarion River, and shaded stretches on Tom's Run. Much of the route passes through stands of old-growth evergreen trees and varied terrain across the park.
Three aid stations are spaced along the course and are staffed by local high school cross country teams. Aid stations provide hydration and nutrition. Lodging options near the event include cabins, campsites, and local inns. Organizers are a group of local runners and volunteers who coordinate the event and on-course support. Weather in the forest can vary, so runners are advised to dress in layers for sun and shade. Visit the organization's website for the most recent information.