Saturday, Aug 17, 2013 @ 8:00 AM

Castle Rock

1700 Castle Rock Road

Walnut Creek, CA 5K, 10K, 1/2 Marathon

Please click here for registration information. See the 2014 event

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Registration for this event is not being hosted on UltraSignup. However, we are selling a few discounted entries. Purchase any available entry by clicking on the green "Claim" button. Once paid for, you will receive instructions to register on the official website. If you do not see a "Claim" button, you can still register for the event using this Link.

Date and Event

This event or the date is tentative. We will activate registration once we receive confirmation from the park.


Join us at Castle Rock Regional Park heading into Mt Diablo State Park and back for a scenic and fun run. (Special Note: The 10Km and Half Marathon courses are challenging and not typical of Zoom events.)



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