Logo

Colossal Vail 50/50

Vail, United States • 5 Dec 2026

Event Overview

The Colossal Vail 50/50 is an ultra run on parts of the Arizona Trail near Vail, southeast of Tucson. It starts and finishes at Colossal Cave Mountain Park. The courses use sections of the Arizona National Scenic Trail between Saguaro National Park and the Santa Rita Mountains foothills.

Course and Distances

There are three race distances:

  • 50 Mile
  • 55K
  • Half-Marathon The course was designed as a relatively fast trail ultra on rolling, gentle terrain.

Event Features

The event is cupless to reduce environmental impact. Runners must bring their own cup or purchase a reusable one. The event includes aid stations, emergency communications, event swag, and finish line food. The 50 Mile race is the first event in the Southern Arizona Triple 50 series. Visit the organization's website for the most recent information.

United States Arizona Vail

Race information

Website
55 km
55k
50 Miler
Half-Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Spring Cross Country Classic 5K

Tucson

Celebrate 50 years of Southern Arizona Roadrunners with this free, retro-themed cross-country event. Run the 5K on scenic trails at Lincoln Regional Park, with a 1-mile race for kids. Dress in 70s gear for a fun, no-frills community run.

Everyone Runs Catalina State Park Half Marathon

Tucson

Experience the trails of Catalina State Park with a choice of 13.1 mile or 5.3 mile distances. Enjoy a desert course featuring stair climbs followed by a Mexican breakfast and professional race photos in Tucson.

Muddy Dash - Tucson, AZ

Tucson Estates

Experience a fun and messy outdoor adventure featuring a several mile course with 12 mud-filled obstacles. This non-competitive event at Old Tucson is perfect for groups and includes a lively post-race party.

Sabino Canyon Sunset Run

Tucson

Experience the desert landscape of the Coronado National Forest during this evening run through Sabino Canyon. Choose between a 7.4 mile road race or a 2 mile fun run followed by pizza and music.