Southside Sand and Gravel Quarry, Hollister CA
Saturday, September 12th, 2026
🏃♂️ Event Overview
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 1 Mile untimed fun run.
🌍 Unique Experience
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:
- Working Quarry Site: Experience the inner workings of the quarry.
- San Benito River: Enjoy the scenic banks of the river.
- Specialized Equipment: See the machinery that processes the rock.
- Natural Surroundings: Take in the beautiful environment around you.
⏰ Event Details
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
Pricing is available for individuals or families. The family pricing option is available for families/groups of 4 or more participants.
📍 Location
The event is located at the Graniterock Sand and Gravel Quarry at 5632 Airline Highway, Hollister, CA 95023. Free parking is available at the race site.
🔗 More Information
For more details, visit the official race page: Graniterock River Run.
