Leg length in running or wingspan in swimming etc doesn’t do as much as you might think. A shorter person might actually run faster than a taller person who doesn’t have the cardio and lung capacity of the shorter person. Biologically males (those born with a Y chromosome) have a greater heart-lung capacity than females. Follow the science.
the whole gender segregation in sports is just another form of sexism, women's sports teams tend to get less funding
plus if cis men have an advantage over women what's the difference in separating this way? why you care
