Name the retired American gymnast who won gold in the 1984 Summer Olympics and who hosted a series of short American television segments called ABC Funfit aimed at promoting children's physical fitness?
Mary Lou Retton Mary Lou Retton Kelley (born January 24, 1968) is a retired American gymnast. At the 1984 Summer Olympics in Los Angeles, she won a gold medal in the individual all-around competition, as well as two silver medals and two bronze medals. Her performance made her one of the most popular athletes in the United States.
John Gregorek John Gregorek (born 15 April 1960) is an American former middle-distance runner who competed in the Summer Olympics in 1980 (boycotted) and 1984. His son, John Gregorek Jr., is also a competitive middle-distance runner, who competed in the 2017 World Championships.