4 aid50 Mile Races in Arizona
As of October 6, 2026, Crewable lists 15 upcoming 50 mile races in Arizona from October 2026 to April 2027. The next is Flagstaff Loop Trail on October 10 in Flagstaff. Registration is open for 7.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
Race calendar
October 2026
4 racesMan Against Horse 50mi, 25mi, 1/2 Marathon
Prescott, AZ7,300 ft gain50 mi25 mi+2Open until Oct 13from $35
November 2026
1 raceDecember 2026
3 racesJanuary 2027
1 raceFebruary 2027
1 raceMarch 2027
3 racesApril 2027
2 racesQuick answers
What is the next 50 mile race in Arizona?
Flagstaff Loop Trail, on Saturday, October 10, 2026, in Flagstaff. Distances: 45 mi.
How many 50 mile races in Arizona have open registration?
7 of the 15 list registration as open as of October 6, 2026, including Horseshoe Bend Ultras, Man Against Horse 50mi, 25mi, 1/2 Marathon and Pass Mountain.
What is the busiest month for 50 mile races in Arizona?
October 2026, with 4 of the 15. December 2026 follows with 3.
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