Marathons in Arizona
As of October 22, 2026, Crewable lists 3 upcoming marathons in Arizona from November 2026 to April 2027. The next is Garmin Marathon Tucson on November 8 in Tucson. Registration is open for 2.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
November 2026
1 raceDecember 2026
1 raceApril 2027
1 raceQuick answers
What is the next marathon in Arizona?
Garmin Marathon Tucson, on Sunday, November 8, 2026, in Tucson. Distances: Marathon, Half Marathon, 10K.
How many marathons in Arizona have open registration?
2 of the 3 list registration as open as of October 22, 2026, including Garmin Marathon Tucson and Across the Years.
What is the busiest month for marathons in Arizona?
November 2026, with 1 of the 3. December 2026 follows with 1.
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