Runners start the out-and-back course for the ZombieRunner Quarry Lakes Half Marathon at Fremont’s Quarry Lakes Regional Recreation Area, a former quarry pit that dates back to the 19th century and was converted into a park in the late 1990s. From there, they’ll run much of the race along the Alameda Creek Trail, from Mission Boulevard all the way west to Alvarado Boulevard and back, before finishing back where they started inside the park.
(MORE: ZombieRunner Quarry Lakes Half Marathon event details)