Highlights of U.S. National Swimming Championships

Natalie Coughlin competes in the heats of the Women's 100m Butterfly event at the U.S. National Swimming Championships in Irvine, California August 3, 2010.

Rebecca Soni swims the butterfly style during the heats of the Women's 200m Individual Medley event at the U.S. National Swimming Championships in Irvine, California August 3, 2010.

Eric Shanteau swims during heats for the men's 100 meter breaststroke at the U.S. National Swimming Championships in Irvine, California August 3, 2010. Shanteau placed second in his heat.

Natalie Coughlin competes in the heats of the Women's 100m Butterfly event at the U.S. National Swimming Championships in Irvine, California August 3, 2010.

Peter Vanderkaay finishes first overall during heats for the men's 400 meters freestyle swimming event at the U.S. National Swimming Championships in Irvine, California August 3, 2010.

Ryan Lochte swims the breast-stroke during heats for the men's 400 meters individual medley at the U.S. National Swimming Championships in Irvine, California August 3, 2010.

World record holder Ariana Kukors swims the breaststroke during the heats of the Women's 200m Individual Medley event at the U.S. National Swimming Championships in Irvine, California August 3, 2010. Kukors placed third in her heat.
(Reuters)