6/18/2012 - A female participant comes up for air during the first leg of the My-First-Tri competition June 16 at Eglin Air Force Base, Fla. More than 140 people competed in the 13th annual base triathlon. (U.S. Air Force photo/Samuel King Jr.)

6/18/2012 - A female participant prepares her swim cap for the first leg of the My-First-Tri competition June 16 at Eglin Air Force Base, Fla. More than 140 people competed in the 13th annual base triathlon. (U.S. Air Force photo/Samuel King Jr.)

6/18/2012 - The 13th annual My-First-Tri event begins as the first swimmers hit the water June 16 at Eglin Air Force Base, Fla. More than 140 people competed in the 13th annual base triathlon. (U.S. Air Force photo/Samuel King Jr.)

6/18/2012 - Joshua Wood is the first of his heat to exit the swim portion of the My-First-Tri competition June 16 at Eglin Air Force Base, Fla. More than 140 people competed in the 13th annual base triathlon. (U.S. Air Force photo/Samuel King Jr.)