Road ultramarathons in Arizona, United States
Find road ultramarathons in Arizona, United States. Compare 2 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Fat Ox Endurance Runs and Tucson Marathon.
2 listed events · 2 with upcoming dates
Upcoming ultramarathons
2 matching events, earliest date first. Entry availability is shown separately.
Fat Ox Endurance Runs
USAGoodyear, Arizona
Timed endurance races and fixed-distance ultras on a short concrete loop around Estrella Mountain Regional Park’s turf picnic area.
· 100K / 50K
Race details, entry and past editions →Entry information ↗Tucson Marathon
USATucson, Arizona
Point-to-point road races through the Sonoran Desert, with a marathon, half marathon and 50K finishing in Tucson.
· 50K
Race details, entry and past editions →Entry information ↗Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
No separate archived race guides are listed for this selection yet.
View full race archive (0) →Choosing a race in Arizona
The unfiltered upcoming calendar includes events in Goodyear (1), Tucson (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about ultramarathons in Arizona
Which road ultramarathons are coming up in Arizona, United States?
Fat Ox Endurance Runs is listed for 21 November 2026. Tucson Marathon is listed for 13 December 2026. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for Arizona, United States?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.