Runners start the out-and-back course for the half marathon just off Highway 4 near Redondo Peak and the Redondo Meadows. From there, the course takes runners on a counter-clockwise loop through the Valles Caldera National Preserve, a 12-mile-wide collapsed caldera volcano that lies a short drive west of Los Alamos and the nearby Bandelier National Monument, amidst the Jemez Mountains.
(MORE: Valles Caldera Runs 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.
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