In a seismic shift for the world of competitive swimming, Lia Thomas, the transgender swimmer who made headlines in 2022 for winning an NCAA Division I women’s championship, has been banned from competing in the women’s category at the 2028 Los Angeles Olympics. The decision, announced by the International Olympic Committee (IOC) in collaboration with World Aquatics, mandates that Thomas must compete in the men’s category due to updated eligibility criteria for transgender athletes. The ruling has sparked intense debate, with reactions from male athletes adding a surprising twist to an already polarizing controversy, leaving Thomas and her supporters reeling.

The IOC’s decision stems from revised guidelines introduced in 2025, which require transgender women to demonstrate sustained testosterone levels below a specific threshold for at least four years prior to competition, alongside other physiological criteria. World Aquatics, the governing body for international swimming, further tightened its policies after a 2023 review, citing concerns about fairness and competitive balance. Thomas, who transitioned in 2019 and competed successfully in women’s events, does not meet these stringent requirements, effectively barring her from the women’s category. The ruling aligns with broader trends in sports governance, as organizations like World Athletics and World Cycling have also implemented similar restrictions.

Thomas, now 26, expressed profound disappointment in a statement to ESPN, calling the decision “a step backward for inclusivity.” She argued that the policy disregards the lived experiences of transgender athletes and undermines their right to compete authentically. “I’ve trained tirelessly to be where I am, and this feels like a punishment for who I am,” Thomas said. Her legal team is reportedly exploring options to challenge the ruling, potentially through the Court of Arbitration for Sport, though the IOC’s framework has been upheld in similar cases. The decision has reignited debates about the intersection of gender identity, science, and fairness in sports, with opinions sharply divided.

What has shocked Thomas and her supporters most, however, are the varied reactions from male athletes, many of whom she may now face in competition. Several prominent male swimmers, including Olympic medalists Caeleb Dressel and Ryan Murphy, have publicly supported the IOC’s decision, emphasizing the need for clear boundaries in elite competition. Dressel, a seven-time Olympic gold medalist, stated in a press conference, “The rules are there to ensure fairness. It’s not personal; it’s about the integrity of the sport.” Murphy echoed this sentiment, noting that physiological differences, even post-transition, can impact performance in high-level swimming. These comments, while measured, have been perceived by some as dismissive of Thomas’s identity and achievements.

Conversely, other male athletes have expressed sympathy for Thomas, highlighting the complexity of the issue. Hunter Armstrong, a U.S. backstroke specialist, took to X to share his perspective: “Lia’s a competitor, and I respect her grind. This whole situation is messy, and I don’t think anyone’s happy with how it’s being handled.” His post, which garnered thousands of likes, reflects a growing sentiment among some athletes that the binary categorization of sports fails to account for the nuances of transgender participation. Trending discussions on X reveal a split among fans, with some praising the IOC for prioritizing fairness and others condemning the decision as discriminatory.

The ruling has broader implications for the 2028 Olympics, where Thomas’s presence in the men’s category could reshape event dynamics. Her personal best in the 500-yard freestyle (4:33.24) from her NCAA days remains competitive, but transitioning to men’s events, where times are significantly faster, poses a formidable challenge. For context, the 2024 Olympic men’s 400m freestyle final saw times under 3:41, highlighting the steep competition Thomas would face. Analysts suggest she may need to overhaul her training to adapt, a prospect Thomas has not publicly addressed.

As the 2028 Games approach, the controversy surrounding Thomas underscores the ongoing struggle to balance inclusion with competitive equity. While some male athletes’ reactions have shocked Thomas for their bluntness, others have opened a dialogue about finding a more equitable solution. The swimming world now watches closely, not only for Thomas’s next move but also for how governing bodies navigate this divisive issue in an era of evolving societal norms.