 The three-point line is further back for men. The sheer amount of layups that you see in women's basketball when a player gets a fast break compared to the amount of dunks you see when men get a fast break. The size of the ball is different. In gymnastics, you have different events for men and women. Women can't do the rings or the pommel horse. And men can't do floor events. They could, but it's a different skill set that men possess over women.