1968: She postpones beginning her senior year at Radnor to compete with the United States swim team at the Summer Games in Mexico City, which were held in October. She wins a gold and bronze medal, helping the American 4 x 100-meter freestyle relay team set an Olympic record. Following the 1968 Olympics, she said she wanted to retire from competitive swimming. She eventually changed her mind and returned for the 1972 Olympic Games in Munich, Germany. 1972: Swims the third leg as the American 4 x 100-meter freestyle relay team wins gold medal and breaks Olympic record in Munich. As the team stands on the medal platform to accept its awards, she fulfills promise she made to her teammates by whistling the national anthem.