Michael Phelps reacts after competing in the 100 meter backstroke event during the Charlotte UltraSwim Grand Prix in Charlotte, North Carolina, May 16, 2009 .[Xinhua/Reuters Photo]
Michael Phelps smiles after winning the final of the men's 100 butterfly event during the Charlotte UltraSwim Grand Prix in Charlotte, North Carolina May 15, 2009.[Xinhua/Reuters Photo]
