One way to get to the Olympics is to bend your gender:
Two British athletes born male are on the verge of making history by competing in women’s events at next month’s Olympic Games. If selected, the unnamed pair will become the world’s first transgender Olympians at Rio.

But worryingly for British sports fans, they have revealed they are so fearful of being exposed and ridiculed under the Olympic spotlight, they would ‘probably drop back’ if they found themselves in a medal-winning position.

Their inclusion in Team GB will be hailed as a remarkable human rights victory – but it will also ignite controversy, with critics arguing that male-to-female competitors have an unfair biological advantage in terms of size, muscle mass and lung capacity.

Delia Johnston, an adviser to several sporting bodies on transgender issues, said the pair have already represented Britain at ‘a European championship sporting event’.
I always wondered about that Jessica Ennis....