Mark Spitz Becomes First to Win Seven Olympic Gold Medals On this day, in 1972 U.S. swimmer Mark Spitz won his seventh gold medal at the 1972 Summer Olympics , he swam the fly leg of the 400-meter medley relay. September 4, 1972 Sport: Swimming Trivia Which Nations Won the Gold, Silver and Bronze Medals the Last Time Baseball Was an Olympic Sport? What Are the Five Events That Make Up the Modern Olympic Pentathon? sports in this article Swimming tags in this article Fan On This Day SportsEngine