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Castle to River Run - Garrison, NY

Garrison, United States • 19 Oct 2025

The Castle to River Run in Garrison, NY, is a scenic running event held in the historic Hudson Valley, featuring a half marathon and a 5K race, along with a kids fun run. The half marathon course winds through Hudson Highlands State Park, passing the historic Osborn Castle and offering a mix of single and double track trails, dirt roads, and some paved sections with rolling hills. The 5K follows part of Benedict Arnold's escape route along the Hudson River and is relatively flat with some hills. The event supports The Friends of Philipstown Recreation and includes aid stations for half marathoners. Race day access to private property is restricted to registered runners only. Visit the organization's website for the most recent information.

United States New York Garrison

Race information

Website Registration
13 mi
1/2 Marathon
5 km
Kids Fun Run 3/4 Mile
Visit the organization's website for the most recent information.
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