Woman don't compete because it is way harder to look like a man for a woman, than for a man to look like a woman. The muscles won't be there. The beard may or not be there, but is usually sparse. They are usually shorter than men and of course, not as strong. Women have more fat distributed over their bodies in places that - yes, make them look like women. But the main thing is: They would get pounded to a pulp by a whole team of men doing anything. How about that MMA fighter that fractured a couple of women's skulls. That's what I'm talking about. It's just not that easy. Here you have skinny guy who can pass with the hair and makeup and the right clothes. Look at the upper arm. A guy.