Madeline Jane "Maya" DiRado - Andrews is a retired American competitive swimmer who specialized in freestyle, butterfly, backstroke, and individual medley events. She attended and swam for Stanford University, where she won NCAA titles in the 200 and 400 meter individual medley in 2014 and graduated with a degree in management science and engineering. At the 2016 US Olympic Trials, DiRado qualified to swim the 200 meter and 400 meter individual medley events, as well as the 200 meter backstroke, at the 2016 Summer Olympics. At the 2016 Summer Olympics in Rio de Janeiro, she won a gold medal in the women's 4x200 meter freestyle relay, a silver medal in the 400 meter individual medley, a bronze medal in the women's 200 meter individual medley, and a gold medal in the 200 meter backstroke. Following the Olympics, DiRado retired from the sport.

Kathleen Genevieve Ledecky is an American competitive swimmer. She has won seven Olympic gold medals and 21 world championship gold medals, the most in history for a female swimmer. She has won a world record 16 individual gold medals at the World Aquatics Championships. Ledecky's six individual gold medals at the Olympics and 26 overall medals at the World Aquatics Championships are records in women's swimming‌. Ledecky is the world record holder in the women's 800- and 1500-meter freestyle as well as the former world record holder in the women's 400-meter freestyle. She also holds the fastest-ever times in the women's 500-, 1000-, and 1650-yard freestyle events. She is widely regarded as the greatest female swimmer of all time and one of the greatest Olympians of all time.