Transgender athletes could "potentially game the system" by competing in women's sports when they have a male sex advantage, the former British swimming champion Sharron Davies has said.

Riley Gaines and former Olympian Sharron Davies have called out the NCAA for continuing to ignore Donald Trump's executive order that bans transgender athletes from competing in women's sports.

Name: Sharron Davies Event: Swimming Achievements: Get inspired and go for it! The Olympics is the ultimate competition. There's huge pressure on you. Champions need to be able to cope with pressure.