Graniterock River Run

Sat, Sep 12, 2026, 8:00 AM PDT

Location: Hollister, CA; Southside Sand and Gravel Quarry, 5632 Airline Highway, 95023
Type: RUN

Vibe analysis coming soon

Course feel, difficulty, and community fit are being added to this listing. Check back, and always confirm details on the official registration page.

At a glance

Great for

Family Friendly

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

4 options

Registration for all distances is through the official signup link above.

5K Run/Walk
Sat, Sep 12, 8:00 AM PDT · From $38.10
Opens Feb 16, 2026, 4:58 AM PST · Closes Jul 31, 2026, 7:59 PM PDT
5K Run/Walk Family Registration
Sat, Sep 12, 8:00 AM PDT · From $59.30
Opens Feb 16, 2026, 5:17 AM PST · Closes Jul 31, 2026, 7:59 PM PDT
1 Mile Fun Run/Walk
Sat, Sep 12, 8:00 AM PDT · From $32.80
Opens Feb 16, 2026, 4:58 AM PST · Closes Jul 31, 2026, 7:59 PM PDT

+ 1 more option

1 Mile Fun Run/Walk Family Registration
Sat, Sep 12, 8:00 AM PDT · From $54.00
Opens Feb 16, 2026, 5:17 AM PST · Closes Jul 31, 2026, 7:59 PM PDT

The course

From the organizer

Please join us for the River Run back for a great 6th year in 2026. A family-friendly event that will be fun for everyone! You'll be able to run or walk a 5K distance or a 1Mile untimed fun run.

The River Run 2026 is a unique experience that meanders through a working sand and gravel quarry. 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.

River Run benefits the YMCA of San Benito County and begins promptly at 8:00 a.m. on Saturday, September 12th 2026. Check in begins at 7:00am.

Pricing is available for individuals or families. The family pricing option is available for families/groups of 4 or more participants.

The event is located the the Graniterock Sand and Gravel Quarry at 5632 Airline Highway, Hollister, CA 95023. Free parking is available at the race site.