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The River Run 2026 describes the unique experience that awaits as you meander through a working sand and gravel quarry. This 5K Walk/Run takes you inside the Southside Sand and Gravel Quarry to see the working quarry site, the banks of the San Benito River, specialized equipment that processes the rock, and beautiful natural surroundings.
The River Run benefits the YMCA of San Benito County and begins at 8:00am on Saturday, September 12, 2026 at 5632 Airline Highway, Hollister, CA 95023.
All proceeds from the race benefit the YMCA.
Register for the 5k Walk/Run at Southside Sand and Gravel at: https://runsignup.com/Race/CA/Hollister/thegraniterockriverrun.
We invite you to help support by joining us as a sponsor for this event!
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