Brandon Zelfer runs his final lap during the Bellamy Fitness Center’s Indoor Triathlon at Ellsworth Air Force Base, S.D., March 24, 2012. The triathlon consisted of a 300 yard swim, a 30 minute ride on the stationary bike and a 1.5 mile run. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)