Net downhill courses along the foothills of the Santa Catalina mountains run since 1969. The full Marathon, 50K & Marathon Relay start above the town of Oracle and run down to Catalina. The Half Marathon starts on Biosphere Road at the half way point of the Marathon and runs down to Catalina. Join us for beautiful winter weather and a fast downhill courses!
Let us know you found us at Be Outdoors Arizona!
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