Craig Kim, 460th Space Communication Squadron, starts the second part of the 2nd Annual Buckley Duathlon Sept. 19, 2013, on Buckley Air Force Base, Colo. The race started with a 2-mile run, followed by a 6-mile bike ride and finished with a 1.5-mile run. (U.S. Air Force photo by Airman 1st Class Riley Johnson/Released)