2011 ConocoPhillips USA Swimming National Championships

In This Photo: Christopher Peterson
Christopher Peterson launches off the blocks into the water at the start of the 50 meter free during the 2011 ConocoPhillips National Championships at Stanford University's Avery Aquatic Center on August 4, 2011 in Palo Alto, California.
(Aug. 3, 2011 - Source: Brian Bahr/Getty Images North America)