Summit Rock 2026

Summit Rock is an early-winter trail race in Sanborn County Park, just outside Saratoga in Northern California’s Santa Cruz Mountains. The series offers a half marathon, 10K, and 5K on forested terrain, with pines, redwoods, oak trees, and miles of single-track trail inside a park of more than 3,600 acres. It is a timed race with electronic chip timing, but walkers and hikers are welcome too, so the field is not limited to runners chasing a fast finish. The half marathon and 10K climb toward peaks, while every distance uses narrow trail under the tree canopy. The terrain is challenging, with enough climbing and descending that new trail runners are encouraged to walk the hills and save energy for flatter or downhill sections. More experienced runners get a tougher mountain-route outing close to Silicon Valley, San Jose, and San Francisco, and all finishers receive custom medals. The race takes its name from Summit Rock, the park peak tied to the event.