Education
Texas Agricultural and Mechanical University.
Texas Agricultural and Mechanical University.
Mitchell had a successful collegiate career for Texas Agricultural and Mechanical University. His time in the 200 m was 20.38 s, the best indoor time in the world that year and a Texas Agricultural and Mechanical record. At the outdoor championships that year he placed second to Rondel Sorrillo in the 200 m, helping Texas Agricultural and Mechanical to their second consecutive National Collegiate Athletic Association team title.
In 2010 Mitchell represented the United States at the NACAC Under-23 Championships in Miramar, Florida, winning gold in both 200 m and the 4 × 100 m relay.
In the 200 m semi-finals he clocked a wind-legal personal best of 19.99 s, placing him seventh in the world that year.