epa05484337 Simone Biles of USA performs an attempt during the women's Vault Final competition of the Rio 2016 Olympic Games Artistic Gymnastics events at the Rio Olympic Arena in Barra da Tijuca, Rio de Janeiro, Brazil, 14 August 2016. EPA/HOW HWEE YOUNG

epa05484341 Simone Biles of USA performs an attempt during the women's Vault Final competition of the Rio 2016 Olympic Games Artistic Gymnastics events at the Rio Olympic Arena in Barra da Tijuca, Rio de Janeiro, Brazil, 14 August 2016. EPA/HOW HWEE YOUNG

epa05484391 Bronze medalist Giulia Steingruber of Switzerland (L-R), gold medalist Simone Biles of USA, and silver medalist Maria Pesaka of Russia smiles on the podium during the medal ceremont for the women's Vault Final competition of the Rio 2016 Olympic Games Artistic Gymnastics events at the Rio Olympic Arena in Barra da Tijuca, Rio de Janeiro, Brazil, 14 August 2016. EPA/TATYANA ZENKOVICH