Sunday, December 13, 2026
7:15 AM - 2:00 PM (MST)
Biosphere 2 (Start)
32540 S Biosphere Rd, Oracle, AZ 85623
Event website
aravaiparunning.com/tucson
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The Tucson Marathon offers point-to-point races including a 50K ultra, marathon, half marathon, and marathon relay. Starting at Biosphere 2 near Oracle, the paved, net-downhill courses run through the foothills of the Santa Catalina Mountains and Oro Valley. The marathon is USATF certified and a Boston Marathon qualifier. Participants navigate a scenic route with aid stations providing hydration and sports nutrition, finishing at Pima Community College Northwest Campus.
Biosphere 2 (Start), 32540 S Biosphere Rd, Oracle, AZ 85623
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