 Starting in the 1970s , he formed Wilt 's Athletic Club , a track and field club in southern California , coached by then UCLA assistant coach Bob Kersee in the early days of his career . Among the members of the team were : Florence Griffith before she set the current world records in the 100 meters and 200 meters ; Three time world champion Greg Foster ; future Olympic Gold medalists Andre Phillips ; Alice Brown ; Jeanette Bolden . In all , he claimed 60 athletes with aspirations of expanding to 100 . While actively promoting the sport in 1982 , Chamberlain claimed he was considering a return to athletic competition , but not in basketball , in Masters athletics . At the time he claimed he had only been beaten in the high jump once , by Olympic champion Charles Dumas , and that he had never been beaten in the shot put , including beating Olympic legend Al Oerter . 
