The Privacy Commissioner of Canada recently concluded an investigation into the World Anti-Doping Agency (WADA) following a complaint about its data-sharing practices concerning athletes' doping data. The complaint alleged that WADA violated Canadian privacy law by disclosing this data to international sport federations for sex testing purposes. As a result, WADA has agreed to adopt new measures to ensure that doping data is used solely for anti-doping purposes. Although WADA maintains it did not violate privacy laws, it has shown a willingness to collaborate with regulators on data protection. This decision is expected to significantly influence sex-testing policies in women's sports, promoting more gender-inclusive approaches. The investigation revealed broader issues regarding data protection in international sports, highlighting the need for accountability and respect for athletes' rights. Ongoing legal challenges, such as those before the Court of Justice of the European Union, may further reshape the landscape of athletes' data protection rights in the future.