Dara Grace Torres is an American former competitive swimmer, who is a 12-time Olympic medalist and former world record-holder in three events. Torres is the first swimmer to represent the United States in five Olympic Games, and at age 41, the oldest swimmer to earn a place on the U.S. Olympic team. At the 2008 Summer Olympics, she competed in the 50-meter freestyle, 4×100-meter medley relay, and 4×100-meter freestyle relay, and won silver medals in all three events.

Natalie Anne Coughlin Hall is an American former competition swimmer and twelve-time Olympic medalist. While attending the University of California, Berkeley, she became the first woman ever to swim the 100-meter backstroke in less than one minute—ten days before her 20th birthday in 2002. At the 2008 Summer Olympics, she became the first U.S. female athlete in modern Olympic history to win six medals in one Olympiad, and the first woman ever to win a 100-meter backstroke gold in two consecutive Olympics. At the 2012 Summer Olympics, she earned a bronze medal in the 4×100-meter freestyle relay.