Garmin Tucson Marathon
Race Day Weather
Cool start, warming up
Runners will face a temperature rise from 51°F to 75°F throughout the race, with a light breeze at 9 mph from the S. Humidity will remain low at 32%, providing a comfortable environment. Runners should start conservatively to manage the warming trend and stay hydrated as temperatures rise.
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Race Info
The Garmin Tucson Marathon starts at sunrise in downtown Tucson, Arizona, sending runners through the Barrio Libre neighborhood and the Five Points Intersection before opening into desert terrain with views of the Tucson Mountains. The course was refreshed for 2026 with a new common start and finish, and also passes the University of Arizona campus and historic neighborhoods. The marathon is a Boston Marathon qualifier, typically held in mid-November.