The River Run
Sports · Race

The River Run

A 5K and 1-mile walk/run event held at the Graniterock quarry in Hollister.

Sat, 12 Sep 2026 Graniterock: Southside Sand & Gravel Hollister , California
The River Run is an exciting annual 5K and 1-mile walk/run event hosted at the unique Graniterock Southside Sand & Gravel Quarry in Hollister, California. This event offers participants a rare opportunity to run through the scenic quarry grounds while supporting local community health initiatives. With free onsite parking and a family-friendly atmosphere, it is a highlight of the Central Coast running calendar. Join runners and walkers of all levels for this memorable morning.

What to Expect

A scenic run through an active quarry site with a supportive community atmosphere.

Who Should Attend

  • Runners
  • Walkers
  • Families
  • Fitness enthusiasts
  • Local community

Agenda Overview

Event takes place on Saturday, September 12, 2026.
Venue & Address
Graniterock: Southside Sand & Gravel
5632 Airline Hwy
Hollister , California – 95023
United States
Organizer
Graniterock / Central Coast YMCA · Organization
Local community partners promoting health and fitness.

Frequently Asked Questions

Where is the event?
Graniterock: Southside Sand & Gravel, 5632 Airline Hwy, Hollister, CA.
What distances are available?
5K and 1-Mile.
Is there parking?
Yes, free parking is available at the race site.
When is it?
September 12, 2026.
Who hosts it?
Graniterock and Central Coast YMCA.
Is it open to all ages?
Yes, it is a family-friendly event.
Tags
Running 5K Hollister California Fitness Community
Summary
Annual 5K and 1-mile run/walk at the Graniterock quarry.
Highlights
  • 5K course
  • 1-Mile walk/run
  • Unique quarry location
  • Free onsite parking
  • Family-friendly
  • Community event
Something wrong?
If this event has incorrect information or needs an update, email us and we'll fix it.