Saturday, December 5, 2026
7:00 AM - 10:00 PM (MST)
La Posta Quemada Ranch
16721 E Old Spanish Trail, Vail, AZ 85641
Event website
runazt.org/colossal-vail-50-50
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The Colossal Vail 50/50 is an endurance running event held on the Arizona Trail near Vail. Participants can choose between 50-mile, 55K, and half-marathon courses that start and finish at Colossal Cave Mountain Park. The route travels through high desert landscapes between Saguaro National Park and the Santa Rita Mountains. This cupless event provides aid stations and food at the finish line for all runners.
La Posta Quemada Ranch, 16721 E Old Spanish Trail, Vail, AZ 85641
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