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 challenging trail. 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.