U.S. Olympic swimming trials
Michael Phelps, Ryan Lochte and the country's top swimmers are competing for spots on the U.S. Olympic swim team this week in Omaha, Neb.
U.S. Olympic swimming trials
Tyler Clary swims in the men's 200-meter butterfly preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Tyler Clary watches the clock after swimming in the men's 200-meter butterfly preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Chelsea Nauta swims in the women's 200-meter freestyle preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Bobby Bollier swims in the men's 200-meter butterfly preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Missy Franklin, left, and Katie Hoff prepare to swim in the women's 200-meter freestyle preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Ryan Bubb prepares to swim in the men's 200-meter butterfly preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Michael Phelps finishes in the men's 200-meter freestyle preliminaries at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark Humphrey)
U.S. Olympic swimming trials
Ryan Lochte, right, looks at the time with Ricky Berens after swimming in the men's 200-meter freestyle preliminaries at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/David J. Phillip)
U.S. Olympic swimming trials
Dan Madwed, from top, Michael Phelps and Mark Dylla start in the men's 200-meter butterfly preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Brendan�Hansen, left, is congratulated by Eric Shanteau after winning the men's 100-meter breaststroke final at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Swimmers dive into the water at the start of a heat in the women's 400-meter freestyle preliminaries at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark Humphrey)
U.S. Olympic swimming trials
Peter Vanderkaay starts in the men's 200-meter freestyle preliminaries at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Charlie Houchin swims in the men's 200-meter freestyle semifinal at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/David J. Phillip)
U.S. Olympic swimming trials
Brendan�Hansen swims in the men's 100-meter breaststroke final at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/David J. Phillip)
U.S. Olympic swimming trials
Dana Vollmer swims in the women's 100-meter butterfly final at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/David J. Phillip)
U.S. Olympic swimming trials
Caitlin Leverenz waves after swimming in the women's 200-meter individual medley preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Rebecca Soni, left, and Jessica Hardy swim in a women's 100-meter breaststroke semifinal at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Caitlin Leverenz swims in the women's 200-meter individual medley preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Katie Hoff, left, and Ashley�Steenvoorden swim in the women's 400-meter freestyle preliminaries at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Michael Phelps prepares to swim in the men's 200-meter freestyle preliminaries at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Missy Franklin, second from left, starts in a women's 100-meter backstroke semifinal at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Ariana Kukors swims in the women's 200-meter individual medley preliminaries at the U.S. Olympic swimming trials on Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark Humphrey)
U.S. Olympic swimming trials
Natalie Coughlin, from left, Elaine Breeden, Dana Vollmer and Kathleen Hersey compete in the women's 100-meter butterfly final at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. Vollmer won the race. (AP Photo/Mark Humphrey)
U.S. Olympic swimming trials
Ryan Murphy and Nick Thoman, from top, start in a men's 100-meter backstroke semifinal at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Michael Phelps leaves his lane after swimming in the men's 200-meter butterfly preliminaries at the U.S. Olympic swimming trials on Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark Humphrey)
U.S. Olympic swimming trials
Missy Franklin starts in the women's 100-meter backstroke preliminaries at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/David J. Phillip)
U.S. Olympic swimming trials
Michael Phelps swims in the men's 200-meter butterfly preliminaries at the U.S. Olympic swimming trials on Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark Humphrey)
U.S. Olympic swimming trials
Michael Phelps swims in the men's 200-meter butterfly preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Maya Dirado swims in the women's 200-meter individual medley preliminaries at the U.S. Olympic swimming trials on Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark Humphrey)
U.S. Olympic swimming trials
Michael Phelps and Dan Madwed, left, look at the clock after swimming in the men's 200-meter butterfly preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Nati Harnik)
U.S. Olympic swimming trials
Dana Vollmer swims in the women's 200-meter freestyle preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Jasmine Tosky, from left, Allison Schmitt and Morgan Scroggy dive at the start of their heat in the women's 200-meter freestyle preliminaries at the U.S. Olympic swimming trials, Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)
U.S. Olympic swimming trials
Elizabeth Beisel swims in the women's 200-meter individual medley preliminaries at the U.S. Olympic swimming trials on Wednesday, June 27, 2012, in Omaha, Neb. (AP Photo/Mark Humphrey)
U.S. Olympic swimming trials
Ryan Lochte gives a thumbs up after swimming in the men's 200-meter freestyle preliminaries at the U.S. Olympic swimming trials, Tuesday, June 26, 2012, in Omaha, Neb. (AP Photo/Mark J. Terrill)

