Conversation so far:
What is Caitlyn Jenner most known for, impact wise?
After winning the Olympics, Caitlyn Jenner took an American flag from a spectator and carried it during the victory lap, starting a tradition that is now common among winning athletes.
What gender was Caitlyn Jenner when they last competed?
Caitlyn Jenner had dealt with gender dysphoria since her youth and that, for all intents and purposes, I'm a woman.“
How much impact did Caitlyn Jenner have?
As a result of winning the Olympic decathlon, Jenner became a national hero
Did Caitlyn Jenner win an award or title because of their success in winning the Olympic decathlon?
Caitlyn Jenner received the James E. Sullivan Award as the top amateur athlete in the United States

Question: Why did they stop competing?
Self-contained rewrite: Why didCaitlyn Jenner stop competing after the Olympics?