Runners follow an out-and-back route that starts and finishes at the aid station inside the Squak Mountain State Park Natural Area, which lies just south of Issaquah. At more than 2,000 feet above sea level, the mountain offers a challenge for runners in each of the three race distances, all of which wind both down and back up the mountain before heading in to the finish back at the aid station.
(MORE: Squak Mountain Trail Half Marathon event details)