A triathlon competitor breaks through the water for air during the 500 meter swim, May 30, 2015, at Aviano Air Base, Italy. The 500-meter lap swim was grouped into three different heats based on the swimmer’s lap time. After 20 lengths of the pool, competitors took off on their bikes for the next leg of the race. (U.S. Air Force photo by Airman 1st Class Cary Smith/Released)