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Colossal Vail 50/50

Vail, United States • 6 Dec 2025

The Colossal Vail 50/50 is an exciting ultra running event held in Vail, Arizona, featuring courses of 50 miles, 55K, and a half-marathon. Set against the stunning backdrop of the Arizona Trail, participants can enjoy well-maintained trails and breathtaking desert vistas. The event, which began in 2014, emphasizes sustainability by being a cup-less race, encouraging runners to bring their own reusable cups. With well-stocked aid stations, comprehensive safety measures, and a festive finish line atmosphere, the Colossal Vail 50/50 promises a memorable experience for endurance athletes. It also serves as the first leg of the Southern Arizona Triple 50 series. Visit the organization's website for the most recent information.

United States Arizona Vail

Race information

Website
50 mi
50-Mile
55 km
55k
13 mi
Half-Marathon
Visit the organization's website for the most recent information.
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