https://en.wikipedia.org/wiki/2024_Summer_Olympics_boxing_controversy
JK can claim she's a man all she wants, but Imane Khelif was born and raised as a woman - she's not transgender.
Regardless, exclusion of transgender people from sports is not backed by the science, current evidence points to trans women having similar fitness and athletic ability as cis women:
https://bjsm.bmj.com/content/early/2026/01/22/bjsports-2025-110239
While transgender women exhibited higher lean mass than cisgender women, their physical fitness was comparable.
transgender women’s VO₂ max, when adjusted for weight, aligns with cisgender women,4 further supporting parity in endurance capabilities
the absence of strength disparities between transgender women and cisgender women found in the current review was consistent and contradicts narratives framing male puberty as conferring irreversible athletic advantages despite [gender-affirming hormone therapy].
transgender women’s pretherapy advantages in push-ups and sit-ups disappeared after 2 years of feminising hormones among 46 individuals who started [gender-affirming hormone therapy] while in the US Air Force.