Runners follow an out-and-back trail at the Trail Quake Half Marathon along the trails that wind through Sanborn County Park, which lies near both the Santa Cruz Mountains and about 50 miles southeast of San Francisco. The half marathon takes runners along the San Andreas Trail that winds through the park, and then heads back to the starting line area for the race finish.
(MORE: Trail Quake Half Marathon event details)
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Note: The course map above provides the approximate route for the race. Though every effort has been made to ensure its accuracy, changes are sometimes made to race routes due to weather conditions, road closures or other circumstances that can require a course to be changed. If you see an error above, email us here.