RunRace USA › Arizona › Colossal-Vail 50/50
Colossal-Vail 50/50
Vail, Arizona · Saturday, December 5, 2026 · 50 Mile, 55K, Half Marathon
Official race page & registration ↗Colossal-Vail 50/50 takes place on Saturday, December 5, 2026 in Vail, Arizona. The race offers 3 distances: 50 Mile, 55K, Half Marathon. For anyone travelling in, Tanque Verde is about 15 miles away and Tucson is about 21 miles away.
It is one of 28 races on the Arizona calendar that December.
- Date
- Saturday, December 5, 2026
- Location
- Vail, Arizona
- Distances
- 50 Mile, 55K, Half Marathon
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Vail: check in Dec 4, out Dec 6.
Common questions
When is Colossal-Vail 50/50?
Colossal-Vail 50/50 is scheduled for Saturday, December 5, 2026.
Where is Colossal-Vail 50/50 held?
Colossal-Vail 50/50 is held in Vail, Arizona. It is about 15 miles from Tanque Verde and 21 miles from Tucson.
What distances does Colossal-Vail 50/50 offer?
The listed distances are 50 Mile, 55K, Half Marathon.
How do I register for Colossal-Vail 50/50?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Dec 5Mayhem Night TrailFort McDowell, AZ
- Dec 5McDowell Mountain FrenzyFountain Hills, AZ
- Dec 5Southern Arizona Triple 50Tucson/Oracle/Sonoita, AZ
- Dec 5The Lainy's Light 5K Santa Run/WalkTucson, AZ
- Dec 6Hanukkah Hot Cocoa Run 5k/1k/1mileTucson, AZ
See every race on the Arizona calendar, Arizona Half Marathons, Arizona Ultras, or use the Race Finder for maps and filters.