Across the Years
Dec 28Peoria, AZBackyard Ultra, 6 days +6
Also 100 miles, 19 mi from Fat Ox, registration open
At a glance
- Date
- Nov 20–22, 2026
- Location
- Buckeye, Arizona
- Distances
- 48 hr, 100 mi, 24 hr, 12 hr, 6 hr
- Aid stations
- 2, 1 with crew access
- Registration
- Open until Nov 16, 2026, via ultrasignup.com
- Prize money
- $4,000 purse
- We will have a $4,000 prize purse for the top Men & Women finishers:
- 1st Place Man & Woman: $ 1,200
- 2nd Place Man & Woman: $ 500
- 3rd Place Man & Woman: $ 300
- Verified Oct 15, 2026 onaravaiparunning.com
Listed from UltraSignup. Checked Oct 18, 2026.
Plan this race for free
2 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
A 48 hour family fixed-time festival on a USATF Certified 0.988178 mile course, hosting the 2026 USATF 24-Hour Championship.
Key dates
Until 5/14 ends
Sep 13, 2026
Until 9/14 ends
Nov 15, 2026
Registration closes
Nov 16, 2026
Race day
Nov 20, 2026
Pricing
48 Hour
Until 9/14, then $335 from Nov 16, 2026
$305
100 Mile
Until 9/14, then $265 from Nov 16, 2026
$245
24 Hour
Until 9/14, then $255 from Nov 16, 2026
$225
100K
Until 9/14, then $195 from Nov 16, 2026
$175
12 Hour
Until 9/14, then $170 from Nov 16, 2026
$155
50K
Until 9/14, then $140 from Nov 16, 2026
$130
6 Hour
Until 9/14, then $130 from Nov 16, 2026
$115
Email me updates about Fat Ox
Registration openings and major changes, like a new date or a cancellation.
Aid stations
2| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Main Aid Station Fully stocked aid station directly on course, runners pass once per loop, available 24 hours a day | 0.99 miles | -- | peanut butter & jelly sandwichesbean roll-upscookiescandies+6 | ||
Water Refill Station Located on the opposite end of the course from the main aid station | -- | -- | water |
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
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Straight-line distance
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Race planning
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