Graniterock River Run

Sat September 26, 2020 Hollister, CA 95023 US Directions

5K Run/Walk

8:00AM PDT - 10:00AM PDT

5K Family Pricing

8:00AM PDT - 10:00AM PDT

1 Mile Fun Run

8:00AM PDT - 10:00AM PDT

1 Mile Fun Run Family Pricing

8:00AM PDT - 10:00AM PDT
River Run for 2020 Has Been Cancelled

We are sorry to announce that the River Run for 2020 has been cancelled.  Our new date for next year will be May 16, 2021.   If you are already registered for this event please select from one of the options below.  If you have trouble accessing your registration please send an email to and we will help you make your selection.

Here Are Your Options:

I would like to have my race entry transferred to next year's event.

We deeply appreciate your generosity and thank you for your contribution and look forward to seeing you next year.

We understand. We hope you can join us next time.

Race Website

Additional race information can be found at

Southside Sand and Gravel Quarry
5632 Airline Highway
Hollister, CA US 95023

The River Run 2020 describes the unique experience that awaits as you meander through a working sand and gravel quarry. Participants can choose a 1 mile Family Fun Run or 5K walk/run. The events take 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 and begins at 8:00 a.m. Sunday, May 17, 2020 at 5632 Airline Highway, Hollister, CA 95023.

Individual Pricing Option for each event is free for kids under 12 and $30 for 13 and over.  There will be a price increase to $40 on September 20.

Family Pricing Option is open to two adults and 4 children under the age of 12 for each event. Pricing is $50 for the family option and will increase to $60 on September 20.

Please join us after the races for a Health Expo and Quarry Open House.

Race Contact Info

If you have any questions about this race, click the button below.


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