The International Olympic Committee announced a landmark new policy on March 26, 2026, that will require all female athletes to undergo a mandatory SRY gene test in order to compete in women's Olympic events. The SRY gene, typically found on the Y chromosome, is responsible for initiating male sex development and indicates the presence of testes. Athletes who test positive for the SRY gene will be barred from competing in women's categories. The test can be conducted via saliva sample, cheek swab, or blood draw, and needs to be taken only once, with results valid for an athlete's entire career.
IOC President Kirsty Coventry, who became the first woman to lead the organization in its 132-year history when she assumed office in June 2025, described the policy as rooted in science and guided by medical experts. She stated that she passionately believes in the rights of all Olympians to fair competition and that protecting the integrity of the female category was one of her first major priorities upon taking office. An IOC expert group called the SRY gene test the most accurate and least intrusive method currently available for determining eligibility in women's events.
The new policy will take effect starting with the 2028 Los Angeles Olympics and will not be applied retroactively. It applies exclusively to elite-level and Olympic competition, leaving amateur and recreational sports unaffected. This represents a significant shift from the IOC's previous approaches. Between 2015 and 2021, the organization permitted transgender athletes to compete in women's events provided their testosterone levels remained below 10 nanomoles per liter for at least one year. In November 2021, the IOC withdrew those unified standards and delegated eligibility decisions to individual sports federations.
The policy arrives against the backdrop of several high-profile controversies. At the Tokyo Olympics in August 2021, New Zealand weightlifter Laurel Hubbard became the first openly transgender athlete to compete at the Games, sparking intense debate about fairness in women's sport. The 2024 Paris Olympics saw further controversy when boxers Imane Khelif of Algeria and Lin Yu-ting of Taiwan faced questions about their eligibility, despite both athletes being cisgender women. Those incidents intensified calls from athletes, coaches, and governing bodies for clearer and more consistent eligibility criteria.
Political pressure has also played a role in shaping the conversation. Former United States President Donald Trump threatened to exclude transgender athletes from the 2028 Los Angeles Games, while Russian President Vladimir Putin and Italian Prime Minister Giorgia Meloni have voiced similar positions. Critics argue that such political involvement risks turning athletes into pawns in broader culture wars rather than focusing on evidence-based policy.
Human rights organizations and transgender advocacy groups have expressed deep concern about the new policy. They argue that it effectively excludes an already marginalized group from the highest level of athletic competition and that the science around sex, gender, and athletic advantage remains more complex than a single gene test can capture. Some medical experts have pointed out that the presence of the SRY gene does not automatically confer a competitive advantage, as variations in how the gene is expressed can lead to a wide range of physical outcomes.
The IOC has acknowledged the sensitivity of the issue and stated that it remains committed to inclusion and respect for all athletes. However, the organization emphasized that the protection of fair competition in the female category must be a guiding principle. As the 2028 Los Angeles Olympics approach, the policy is expected to face legal challenges and continued debate from all sides of the issue.
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