This Event Took Place Sat. Nov 15, 2014

About the event

The Colossal Vail 50/50 is an adventurous ultra run along the Arizona Trail near the community of Vail (24 miles southeast of Tucson). Starting and finishing at Colossal Cave Mountain Park, both the 50K and 50-mile courses feature some of the greatest trail running opportunities in this part of the state. The gentle terrain, expertly built trail, and wide-open vistas are sure to make this ultra a classic.

The Colossal Vail 50/50 utilizes some of the most recently completed sections of the Arizona National Scenic Trail between Saguaro National Park-East and the foothills of the Santa Rita Mountains. The racecourse was researched and selected by members of the Tucson Trail Runners as the ideal terrain to host an ultra. Whether you are looking to set a PR or about ready to attempt your first trail ultra, the CV5050 is the event for you. Well-stocked aid stations, comprehensive emergency communications, excellent event shwag, and much more await all who participate in the event…not to mention the adventure of a lifetime.


For an event like CV 50/50 to be successful, we need lots of volunteers. There are many different ways to help, before the event and on race day. All volunteers get a t-shirt. If you have time and inclination to help us out, please fill out the volunteer form on the event website ( Click the volunteer button and a Google Form will open with details on ways you can help. Thanks!

Local time: 8:15 AM


Ross Zimmerman
Race Director

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