4 aidTrail Races & Ultramarathons in Arizona
As of October 6, 2026, Crewable lists 58 upcoming trail races and 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 23. 2 advertise prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
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5 aidRace calendar
October 2026
15 racesMan Against Horse 50mi, 25mi, 1/2 Marathon
Prescott, AZ7,300 ft gain50 mi25 mi+2Open until Oct 13from $35TMC A-Mountain Half Marathon + 4-Miler + Family Mile
Tucson, AZHalf Marathon4 miOpen until Oct 18from $10Grand Canyon Trail Marathon, Half-Marathon, & 5k Run/Walk
Grand Canyon Village, AZMarathonHalf Marathon+1Open until Oct 25from $10
November 2026
8 racesEveryone Runs Veterans Day Catalina St. Park 10.6 & 5.3 Mile Trail Races + 5k Road Run
Tucson, AZ10.6 mi5.3 mi+1Open until Nov 8from $41.50
December 2026
7 racesJanuary 2027
6 racesFebruary 2027
7 racesMarch 2027
5 racesApril 2027
8 racesMay 2027
2 racesCocodona
Black Canyon City, AZ
Quick answers
What is the next trail race or ultramarathon in Arizona?
Canyon De Chelly Ultra, on Saturday, October 10, 2026, in Navajo Reservation. Distances: 55K.
How many trail races and ultramarathons in Arizona have open registration?
23 of the 58 list registration as open as of October 6, 2026, including Soulstice Mountain Trail Run, Thrasher Night Trail and Cave Creek Thriller.
Which trail races and ultramarathons in Arizona offer prize money?
2 races advertise prize money, including Fat Ox ($4,000).
How many of the trail races in Arizona are ultramarathons?
40 of the 58 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 18 are shorter races.
What is the busiest month for trail races and ultramarathons in Arizona?
October 2026, with 15 of the 58. November 2026 follows with 8.
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