Graniterock River Run

SEP

12

2026

Take a unique run through a working sand and gravel quarry at the Graniterock River Run. This family-friendly event offers a 5K or a 1-mile untimed fun run/walk, with proceeds benefiting the local YMCA. Free on-site parking is provided.

Sat 12 Sep 2026

Hollister, California

Registration

5 kilometers

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Event Overview

The Graniterock River Run is scheduled for Saturday, September 12, 2026, in Hollister, California. It is described as a family-friendly event featuring two main distances: a 5K run/walk and a 1 mile untimed fun run/walk.

Course Details

The course takes place inside the Southside Sand and Gravel Quarry. Participants will run or walk through the working quarry site, along the banks of the San Benito River, past specialized rock processing equipment, and through natural surroundings.

Practical Information

The event raises funds for the YMCA of San Benito County. Registration is available for individuals or for families/groups of four or more participants. Free parking is available at the quarry site, located at 5632 Airline Highway, Hollister, CA 95023. Visit the organization's website for the most recent information.

5 km

5k Run/walk

1 Mile Fun Run/walk