Rock 'n The Knob Trail Challenge

Claysburg, United States • 13 Sep 2025

The Rock 'N The Knob Trail Challenge, held in Claysburg, Pennsylvania, is the state's highest trail race, taking place atop Blue Knob Mountain at over 3,100 feet elevation. The event offers three challenging courses: a 10K "Short Course" featuring steep climbs and technical terrain; a 20K-25K "Medium Distance" course with nearly 3,500 feet of climbing and multiple aid stations; and a demanding 50K ultramarathon that combines the toughest sections of the shorter races. Known for its rugged, rocky trails and significant elevation changes, the race provides a tough but rewarding experience. Participants enjoy post-race food, beer, and a swag package, with lodging available nearby at Blue Knob All-Seasons Resort. Visit the organization's website for the most recent information.

Race information

50 km
Ultramarathon Atop Blue Knob
20 km
Medium Distance Course Atop Blue Knob
10 km
The Short Course Spruce Knob
Visit the organization's website for the most recent information.
Trail runs nearby

The Chernisky Classic is an annual running event held in Ebensburg, PA, featuring a 5K run/walk and a 10K run on the scenic Ghost Town Trail, recognized as the 2020 DCNR Trail of the Year. Scheduled for July 5, 2025, this family-friendly event includes a free Firecracker Race for children aged 8 and..

The Ironstone 100K Ultra is a challenging 100-kilometer point-to-point ultramarathon held in the Allegheny Mountains of Pennsylvania. Starting at Canoe Creek State Park in Blair County and finishing at Greenwood Furnace State Park in Huntingdon County, the course traverses rugged trails including th..

The Lost Turkey Trail Races, held in Imler, Pennsylvania, offer challenging trail running events through Central Pennsylvania’s scenic ridges and valleys. The race features a grueling 50k point-to-point course along the Allegheny Front, culminating at Blue Knob, as well as a half-marathon loop and a..

The Jim Mayer Trail Family Fun Run, held in Johnstown, PA, features 5K and 10K out-and-back courses along the scenic Jim Mayer Riverswalk Trail. The 10K route extends from Riverside to Sandyvale, following the Stonycreek River and passing notable Trail Art Murals near the old trolley bridge in Moxha..

The Chernisky Ghost Town Trail-a-thon, held in Ebensburg, PA, is a multi-distance running and biking event set for October 4, 2025. It features a marathon (26.2 miles), 15-miler, 5k, and a unique Couch Potato 0.0k for casual participants. The marathon and 15-miler courses traverse scenic trails incl..

The Dirty Kiln Trail Races at Canoe Creek, held in Hollidaysburg, PA, is an annual trail running event organized by Allegheny Trailrunners, Inc. The 13th running is scheduled for April 11, 2026, featuring two race options: a short course approximately 10K and a more challenging half-marathon long co..