Lia Thomas, a prominent transgender swimmer, has been barred from participating in the upcoming 2024 Paris Olympics following a legal decision by the Court of Arbitration for Sport (CAS). This ruling upholds World Aquatics’ policy that restricts athletes who have undergone any part of male puberty from competing in female categories.
Thomas, who gained national attention in 2022 as the first transgender athlete to win an NCAA college swimming title, challenged the policy, arguing it was discriminatory and unlawful. However, the CAS dismissed her case, stating she lacked standing since she was no longer a member of USA Swimming. The panel concluded that she was “simply not entitled to engage with eligibility to compete in [World Aquatics] competitions.”
In response to the ruling, Thomas expressed deep disappointment, stating that such blanket bans are discriminatory and deprive transgender women of valuable athletic opportunities central to their identities. She called for continued advocacy for dignity and human rights among trans women athletes.
World Aquatics welcomed the decision, describing it as “a major step forward in our efforts to protect women’s sport.”
This ruling aligns with broader trends in sports governance, where several organizations have implemented policies to ensure fair competition in women’s sports.
The debate over transgender participation in sports has garnered significant attention, with arguments balancing inclusivity against fair competition. This decision underscores the ongoing complexities and challenges in establishing policies that uphold both principles.


