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Catoctin 50k Trail Run

Name: Catoctin 50k Trail Run
Start: 2025-06-21
End: 2025-06-21
Location: Frederick

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.

Trail runs nearby

Saturday Nov 29

Giveback Community 5K Run

Derwood

5 km

Join the Giveback Community 5K on Saturday November 29, 2025 in Derwood MD for a friendly run or walk at Needwood Trail. Skip the entry fee and bring two nonperishable food items to support the Give Back Initiative and local families.

Sunday Dec 14

Founders Half Marathon

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Enjoy a scenic 13.1 mile run along the C&O Canal Towpath at the Founders Half Marathon in Potomac, part of the DCRR Snowball Series. Friendly on course support and post race snacks make this a welcoming community event.

Saturday Jan 31

Patriotic Pursuit Half

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Saturday Feb 7

Froggy Hollow 9

Run a timed trail ultra at Little Bennett Campground on scenic 4.4 mile loops, choosing 5 or 9 hour solo or relay challenges. Enjoy aid stations, Altra shoe demos, a long sleeve race top and a post race chili bar while supporting Montgomery..