Biles, 19, finished the 2016 Summer Olympics with five medals, four of them gold, tying the record for the most ever obtained by a gymnast at a single Olympic Games.
The event will be televised on NBC at 8 p.m. Eastern (on a one-hour delay from the actual ceremony), 7 p.m. Central and Mountain, and 8 p.m. Pacific.
Michael Phelps, the most decorated Olympian, was the U.S. flag bearer during the opening ceremonies.
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