In 66 days · Sun, Dec 13, 2026
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Sunday, December 13th, 2026
7600 N Shannon Rd, Tucson AZ
Half · Marathon
45–68°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
52–78°F
dry
2024
51–68°F
dry
2023
43–67°F
dry
2022
36–50°F
dry
2021
48–73°F
dry
2020
37–60°F
dry
2019
43–70°F
dry
2018
40–65°F
dry
2017
51–75°F
dry
2016
49–73°F
dry
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About this race
Net downhill courses along the foothills of the Santa Catalina mountains run since 1969. The full Marathon, 50K & Marathon Relay start at Biosphere 2 near Oracle and run down past Catalina, through Oro Valley and finishing at Pima Community College Northwest Campus. The full marathon has net elevation loss of 1,493 feet and is a Boston Qualifier with NO TIME PENALTY.
The Half Marathon starts at Golder Ranch Fire Administration in Catalina and runs down through Oro Valley, join The Loop Bike Path next to the Cañada del Oro to the finish at Pima Community College.
Join us for beautiful winter weather and a fast downhill courses!
The 50 kilometer course is now USATF Certified and follows the Marathon course with a new addition extending to Ted Walker Park and back on The Loop bike path.
Friday, December 11, 202 6
3:00pm - 6:00pm
Aravaipa Running
2401 S. 24th Street
Phoenix, AZ 85034
or
Saturday, December 12, 202 6
11:00am - 6:00pm
Pima Community College -
North West Campus
7600 N Shannon Rd,
Tucson, AZ 85709
0000 No rth Oracle Road , Tucson , AZ 85704
Course map
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