At the 2004 U.S. Olympic trials, she won the 200-meter butterfly event. She swam for the United States team at the
2004 Summer Olympics, where she won a gold medal in the
women's 4×200-meter freestyle relay, and a silver medal in the
women's 4×100-meter medley relay, after swimming in the preliminary session of the meet. Though Komisarz did not swim, the silver medal American relay team in the 4x100-meter medley relay led through the first half of the final heat, but finished with a time of 3:59.12, second to Australia, who won the event for the first time. With her career extending into her early 30's, in 2008 Komisarz set American records in the 50 and 100-meter butterfly, and helped set relay records in both the 400 and 800-meter freestyle and 400-meter individual medley. Komisarz won 23 medals representing the United States in World Championships between 2003-2008. == Coaching ==