Course Map: Girls on the Go Half Marathon

Runners follow an out-and-back loop course in Frank G. Bonelli Park at the San Dimas Girls on the Go Half Marathon, which starts and finishes along park roads at the southern end of the Puddingstone Reservoir. From there, the course unfolds nearly all the way around the lake and is virtually pancake-flat throughout, save for a few rolling hills here and there. The turnaround point is tantalizingly close to the starting line, and then you’ll retrace your steps back for the race finish. (MORE: Girls on the Go Half Marathon San Dimas 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, contact us here.