Elaine Breeden

Elaine Breeden Penrose (born November 18, 1988), née Elaine Breeden, is an American competition swimmer and Olympic silver medalist.

Breeden qualified to compete in the 100-meter and 200-meter butterfly events at the 2008 Summer Olympics by placing second and first, respectively, in those events at the U.S. Olympic Trials. At the 2008 Olympics in Beijing, China, she advanced to the semifinals of the women's 100-meter butterfly, and finished seventh in the final of the women's 200-meter butterfly. She earned a silver medal by swimming for the second-place U.S. team in the preliminary heats of the women's 4×100-meter medley relay.

Breeden attended Stanford University, and swam for the Stanford Cardinal women's swimming and diving team in National Collegiate Athletic Association (NCAA) competition from 2007 to 2010. As a college swimmer, she was a three-time NCAA national champion in the 200-yard butterfly (2007, 2009, 2010), as well as the NCAA champion in the 100-yard butterfly (2010). She received a total of 24 All-American honors.