Gymnast Simone Biles smashed two world records at the US Gymnastics Championships.
At the US Gymnastics Championships in August, Team USA gymnast Simone Biles smashed two world records, adding to her list of Olympic medals and athletic achievements that have made her one of the world's most famous gymnasts.
Biles was the first person to nail the double-double dismount on the balance beam in competition. She also stuck the landing on the historic triple-double during her floor routine, a first for any female gymnast in competition.