Colossal Vail 50/50 Arizona Trail Run
<p>The Colossal Vail 50/50 is an adventurous ultra run on portions of the Arizona Trail near the community of Vail (24 miles southeast of Tucson). Starting and finishing at Colossal Cave Mountain Park, both the 55K and 50-mile courses feature some of the greatest high desert trail running opportunities in this part of the state. And new for 2019 — we’ve added a scenic and challenging half-marathon distance! It’s a little longer than most half-marathons: 13.6 miles to be exact.</p><p></p><p></p>
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