AZT Oracle Rumble
Jan 30, 2027Oracle, AZ50 mi, 50K +2
Also 50 miles, 39 mi from Colossal-Vail 50/50, registration open
Colossal-Vail 50/50
Vail, ArizonaArizona Trail Association
- 13 mi entry
- $65
- Aid stations
- 12
- Days to register
- 43
At a glance
- Date
- Dec 5, 2026
- Location
- Vail, Arizona
- Distances
- 50 mi, 55K, 13 mi
- Aid stations
- 12, 6 with crew access
- Registration
- Closes Dec 4, 2026, via ultrasignup.com
Listed from UltraSignup. Checked Oct 18, 2026.
Plan this race for free
12 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
The Colossal Vail 50/50 is an adventurous ultra run on portions of the Arizona Trail near the community of Vail, starting and finishing at Colossal Cave Mountain Park. The event offers 50 Mile, 55K, and Half-Marathon distances on rolling high desert terrain with great scenery, well-stocked aid stations, and proceeds benefiting the Arizona Trail Association.
Key dates
Registration closes
Dec 4, 2026
Race day
Dec 5, 2026
Pricing
50 Miler
Late (after Sep 18)
$120
55K
Late (after Sep 18)
$105
13 Miler
(Daytime) - Late (after Sep 18)
$80
13 Miler NIGHT
Late (after Sep 18)
$65
Email me updates about Colossal-Vail 50/50
Registration openings and major changes, like a new date or a cancellation.
Aid stations
12| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Start / La Posta Quemada Ranch Start/Finish at La Posta Quemada Ranch in Colossal Cave Mountain Park. | 0.00 miles | -- | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
Gabe Zimmerman (GZ) Southbound First aid station heading south. Crew accessible. | 4.90 miles | -- | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
Sahuarita Road (SR) Southbound Crew is no longer allowed at this aid station. Drop bags available. | 11.00 miles | -- | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
Peaks View (PV) South Turn-Around Southern turnaround point. High point on course at approximately 4,200 feet. No crew or drop bag access. | 16.90 miles | -- | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
Sahuarita Road (SR) Northbound Return pass through Sahuarita Road. No crew access. | 22.80 miles | -- | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
Gabe Zimmerman (GZ) Northbound Cutoff time 4:00 PM (9 hours elapsed) for 50 Mile runners. 55K cutoff is 4:15 PM. | 28.90 miles | 4:00 PM | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
La Selvilla (LAS) Northbound 50 Mile only aid station. More than standard fare available. No crew access. | 35.50 miles | -- | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
Pistol Hill (PH) Northbound 50 Mile only aid station. More than standard fare available. Cutoff 7:00 PM (12 hours elapsed). Last water stop before north turnaround. | 39.10 miles | 7:00 PM | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
North Turn-Around No water or aid at this location. Course low point. Crew attempting to meet runners here could result in disqualification. | 41.70 miles | -- | -- | ||
Pistol Hill (PH) Southbound 50 Mile only aid station on return leg. | 44.30 miles | -- | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
La Selvilla (LAS) Southbound 50 Mile only aid station on return leg. No crew access. | 47.90 miles | -- | chipsM&Mspeanut butter & jelly sandwichesSkratch Labs hydration+6 | ||
Finish Finish line at La Posta Quemada Ranch. Course closes at 10:00 PM (15 hours elapsed). Finish line food and party available. | 50.10 miles | 10:00 PM | -- |
Entry transfers
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Race planning
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