Tiadaghton Trail Challenge

Waterville, United States • 9 Nov 2025

The Tiadaghton Trail Challenge is an annual trail running event held in Tiadaghton State Forest near Waterville, Pennsylvania, in the scenic Pine Creek Valley. The race offers two distances: a challenging half marathon and a 10K, both featuring technical, rocky, and moss-covered trails with steep climbs and descents. Runners experience diverse terrain including hemlock and oak forests, trout streams, and waterfalls.

The half marathon includes a new loop to the highest point on Huntley Mountain and demanding climbs like the Eiger Trail. Aid stations provide trail fuel, and awards are given to top finishers. Proceeds support a local scholarship fund. Visit the organization's website for the most recent information.

Race information

13 mi
Half Marathon
10 km
10k
Visit the organization's website for the most recent information.
Trail runs nearby

The Slate Run Trail Race, held annually in Slate Run, Pennsylvania, offers a challenging 25K and Half Marathon through the rugged Tiadaghton State Forest. The course traverses the Algerine Wild Area and Red Run sections of the Black Forest Trail, featuring technical single-track trails, stream cross..

Smith's Knob Scramble is an 8-mile trail race held in Montoursville, Pennsylvania, featuring a challenging course along the Loyalsock Trail that ascends the steep Smith's Knob. The event also offers a new 4.5-mile "Half Scramble" loop, designed for beginners or those preferring a shorter distance, w..

The Sproul 10K is an annual trail running event held in Hyner, Pennsylvania, within the scenic Sproul State Forest. Known as one of the toughest 10K races in Pennsylvania, the course features a challenging 3-mile uphill climb to the summit of McCloskey Mountain, followed by a fast 3.7-mile descent...

The Little Loggers Trail Fest is a free trail running event for children aged 12 and under, held in North Bend, Pennsylvania. The course is approximately 2.75 miles long, featuring a few small hills and possibly a stream crossing, providing a fun yet manageable challenge for young runners. The trail..

The Eastern States 100 is a challenging 103-mile trail race set in the scenic Pennsylvania Wilds, specifically around the Pine Creek watershed. This event features a demanding course with over 20,000 feet of elevation gain, showcasing some of the most rugged and beautiful trails in the region, inclu..

The Hyner Half is a challenging 14-mile trail race held at Hyner Run State Park in Pennsylvania's Sproul State Forest, part of the scenic PA Wilds. The course features rugged single-track trails with approximately 3,000 feet of elevation gain, designed for runners and speed-hikers only, with a stric..