Across the Years
Dec 28Peoria, AZBackyard Ultra, 6 days +6
13 mi from Desert Solstice, by Aravaipa Running, registration open
24 hr
Desert Solstice
- Entry
- $325
- Aid stations
- 1
- Days to register
- 53
At a glance
- Date
- Dec 19, 2026
- Location
- Phoenix, Arizona
- Distances
- 24 hr
- Aid stations
- 1, 1 with crew access
- Registration
- Closes Dec 14, 2026, via ultrasignup.com
Listed from UltraSignup. Checked Oct 18, 2026.
Plan this race for free
1 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
An elite level track event for record setting and as an ideal qualifier for the national 24 Hour team. This invitation-only event takes place on a 400 meter track with direction changes every four hours.
Key dates
Registration closes
Dec 14, 2026
Race day
Dec 19, 2026
Pricing
Current price
$325
Registration
Email me updates about Desert Solstice
Registration openings and major changes, like a new date or a cancellation.
Aid stations
1| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Main Aid Station Fully stocked aid station throughout the event with volunteers who can prepare food upon request and assist runners in every reasonable way | 0.00 miles | -- | waterelectrolyte drinksfood |
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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Race planning
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