Gymnast Simone Biles tells TODAY that meeting Zac Efron and Hoda Kotb was second only to competing in the Olympics among key moments in her life. But the four-time gold medalist reveals that the road to Rio was often difficult in her new book, “Courage to Soar,” which also touches on her biological mother.

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Gymnast Simone Biles tells TODAY that meeting Zac Efron and Hoda Kotb was second only to competing in the Olympics among key moments in her life. But the four-time gold medalist reveals that the road to Rio was often difficult in her new book, “Courage to Soar,” which also touches on her biological mother.