The Garmin Marathon Series Tucson offers a thoughtfully redesigned course created with runners at the center of every mile. This updated route showcases the best of Tucson—sweeping mountain views, iconic desert landscapes, the vibrant University of Arizona campus, and the charm of surrounding neighborhoods. With a balance of scenery, rhythm, and community connection, the course delivers a uniquely Sonoran running experience that’s both inspiring and runner-friendly from start to finish.