Cook Forest 25K Trail Challenge

Leeper, United States • 15 Aug 2026

Event Overview

The Cook Forest 25K Trail Challenge is a 25-kilometer trail run in Cook Forest State Park. The event has been held since 2018.

Location

The race starts, finishes, and has packet pickup at Shelter 2 in the park. The address is 2604 Forest Rd., Vowinckel, PA. GPS coordinates are 41.34609 N, 79.21845 W.

Course Details

The course is a single loop using over 17 miles of trails within the park. The route connects 13 different trails. It begins on the Seneca Trail and passes the historic Cook Forest Fire Tower. The course also runs alongside the Clarion River and through the Tom’s Run area, which features old-growth evergreen trees.

Aid Stations

Three aid stations are placed along the course. They are staffed by local high school cross country teams and provide hydration and nutrition.

Logistics

Packet pickup and day-of registration are available at Shelter 2 on the morning of the race. Registration is handled through UltraSignup. Nearby lodging options include cabins, campsites, and local inns. Organizers suggest dressing in layers due to variable weather in the forest.

Organizers

The event is organized by a group of local runners and volunteers. Visit the organization's website for the most recent information.

Race information

25 km
25k Trail Challenge
Visit the organization's website for the most recent information.
Trail runs nearby

Experience the historic trails of Pennsylvania at the Oil Creek Stacked Trail Races. Choose from 5 mile or 13 mile distances or take on the stacked challenge by running both events back to back.

A 5k run and 5k walk in Marienville on June 14, 2026, staged from the Bike/walk trailhead. T-shirts are guaranteed for signups by May 31, 2026 and the course is described as flat and fast.

Experience a historic trail race through the rugged single track of Oil Creek State Park. Choose between four challenging distances ranging from 25K to 100 miles with belt buckle awards for ultra finishers.