Transgender Swimmer Loses Bid to Overturn Ban on Men in Elite Women’s Sports

Published on June 13, 2024

An international court that arbitrates disputes in elite sports has ruled against transgender swimmer Lia Thomas in a legal challenge to rules preventing female-identifying mature males from competing in women’s events. The Swiss-based Court of Arbitration for Sport (CAS) on Monday dismissed Lia Thomas’s January request to overturn a June 2022 decision by World Aquatics to ban transgender swimmers who have been through male puberty from competing in elite women’s races. Before the World Aquatics decision, female-identifying male athletes could compete as long as they lowered their testosterone levels. But the organization changed course after a scientific panel found that, even after taking medication that lowered testosterone, male competitors still had a significant advantage over women....