Judges in canoes monitor the athletes before the start of the swimming portion of the Ironman triathlon event in a lake outside Frankfurt, July 5, 2009. More than 2500 athletes take part in the world's second largest ironman competition. Reuters Pictures logo Reuters Pictures 31 months ago

Judges in canoes monitor the athletes before the start of the swimming portion of the Ironman triathlon event in a lake outside Frankfurt, July 5, 2009. More than 2500 athletes take part in the world's second largest ironman competition.