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Catoctin 50k Trail Run

Frederick, United States • 21 Jun 2025

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.

United States Maryland Frederick

Race information

Website Registration
50 km
50k
25 km
25k
Visit the organization's website for the most recent information.
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