4 aidUltramarathons in Arizona
As of October 6, 2026, Crewable lists 40 upcoming ultramarathons in Arizona from October 2026 to May 2027. The next is Canyon De Chelly Ultra on October 10 in Navajo Reservation. Registration is open for 15. One advertises prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
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7 aidRace calendar
October 2026
8 racesMan Against Horse 50mi, 25mi, 1/2 Marathon
Prescott, AZ7,300 ft gain50 mi25 mi+2Open until Oct 13from $35Grand Canyon Trail Marathon, Half-Marathon, & 5k Run/Walk
Grand Canyon Village, AZMarathonHalf Marathon+1Open until Oct 25from $10
November 2026
6 racesDecember 2026
6 racesJanuary 2027
4 racesFebruary 2027
4 racesMarch 2027
5 racesApril 2027
6 racesMay 2027
1 raceQuick answers
What is the next ultramarathon in Arizona?
Canyon De Chelly Ultra, on Saturday, October 10, 2026, in Navajo Reservation. Distances: 55K.
How many ultramarathons in Arizona have open registration?
15 of the 40 list registration as open as of October 6, 2026, including Cave Creek Thriller, Horseshoe Bend Ultras and Man Against Horse 50mi, 25mi, 1/2 Marathon.
Which ultramarathons in Arizona offer prize money?
One race advertises prize money: Fat Ox ($4,000).
What is the busiest month for ultramarathons in Arizona?
October 2026, with 8 of the 40. November 2026 follows with 6.
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