"Taking a low position can allow you to feel really close to the athletes," explains Adam Pretty.

"This is Carole Peon of France during the swimming portion of the triathlon event.

"In order to take this photograph I had to swim out to a position approximately 300m from the point at which the athletes would leave the water."

Photo: Adam Pretty/ Getty Images/ 19 August 2008

Come back each day to read the story behind another spectacular photograph from the Olympics.