Catoctin 50k Trail Run

The Catoctin 50k Trail Run & Half Cat is a challenging ultramarathon held in Frederick, Maryland, within Cunningham Falls and Gambrill State Parks. The 50k course is an out-and-back route on rocky, demanding trails marked by light blue blazes, featuring significant elevation changes and multiple stream crossings. The Half Cat is a 25k race starting at the 50k turnaround point, designed for newcomers and veterans seeking a less grueling experience.

The race emphasizes self-sufficiency, with mandatory hydration and limited crew support. Aid stations provide water, sports drinks, and snacks. The event is known for its hot, humid conditions and rugged terrain, offering a true test of endurance and trail running skill. Visit the organization's website for the most recent information.