Biles’ post came days after the 2017 World Artistic Gymnastics Championships finished in in Canada. Biles did not participate but American females Morgan Hurd and Jade Carey both medaled. Hurd won gold in the individual all-around. China’s Xio Ruoteng won gold in the men’s individual all-around.

Olympic champion Simone Biles and conservative activist Riley Gaines clashed on social media over transgender athletes.

Olympic gymnastics champion Simone Biles is going head-to-head with one of the most vocal opponents of transgender girls and women competing in female sports, former college swimmer Riley Gaines