Garmin Tucson Marathon
Race Day Weather
Comfortable temps, big temp swing
Mild 51°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 75°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.
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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.