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On the Rocks Trail Runs

York, United States • 28 Jun 2025

On The Rocks Trail Runs is a challenging trail running event held at Rocky Ridge County Park in York, Pennsylvania. The race features multiple distances: 50K, 33.3K, 16.7K, and 10K, all set on a course characterized by rolling hills, rocky terrain, dirt paths, and tree roots. Each loop includes approximately 1,350 feet of elevation gain through four and a half climbs averaging 250 vertical feet each. The 10K covers a partial loop, while longer distances involve multiple loops of the same course. The event supports a local charity, and participants registering by mid-June receive a wicking T-shirt. Visit the organization's website for the most recent information.

United States Pennsylvania York

Race information

Registration
50 km
50k
33 km
33.3k
16 km
16.7k
10 km
10k
Visit the organization's website for the most recent information.
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