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Dana Vollmer of the United States competes in heat six of the Women's 100m Butterfly on Day One of the London 2012 Olympic Games at the Aquatics Centre on July 28, 2012 in London, England.
After setting an Olympic record in the preliminary round of the women's 100m fly Saturday, Granbury's Dana Vollmer is advancing to the finals and goes for gold Sunday.
In her semifinal heat Saturday night, Vollmer advances to the final with a time of 56.36, the best in the field.
Vollmer will next swim will be in the finals, which is scheduled to begin at 1:30 p.m. CT on Sunday.
In the fly final, she will face Alicia Coutts (AUS), Jeanette Ottesen Gray (DEN), Sarah Sjostrom (SWE), Claire Donahue (USA), Ying Lu (CHN), Ellen Gandy (GBR) and Ilaria Bianchi (ITA).
Vollmer, whose didn't make Team USA for the 2008 Beijing Games, first competed in the Olympics in Athens in 2004. She is now considered to be the top women's 100m fly swimmer on Team USA.
Vollmer will also be competing in the women's 4x200m Freestyle Relay, which begins Aug. 1.