Caitlyn Jenner
Convinced by Olympic decathlete Jack Parker's coach , L . D . Weldon , to try the decathlon , Jenner had a six-year decathlon career , culminating in winning the men's decathlon event at the 1976 Summer Olympics in Montreal , setting a third successive world record and gaining fame as "an all-American hero" . 
<triplet> Jack Parker <subj> decathlon <obj> sports discipline competed in <triplet> men's decathlon <subj> 1976 <obj> point in time <triplet> 1976 Summer Olympics in Montreal <subj> 1976 <obj> point in time