Graniterock River Run

The Graniterock River Run is a family-friendly running event held at the Southside Sand and Gravel Quarry in Hollister, California. Scheduled for September 6, 2025, it offers participants the choice of a 5K run/walk or a 1-mile untimed fun run/walk. The unique course winds through a working sand and gravel quarry, providing views of the quarry operations, the San Benito River banks, and natural surroundings.

The event supports the YMCA of San Benito County and features individual and family registration options. Free parking is available on-site, making it an accessible and enjoyable experience for runners and walkers of all ages. Visit the organization's website for the most recent information.