As an example, let's consider the 100m: The current men's world record is 9.58 seconds, set by Jamaica's Usain Bolt in 2009, while the women's world record of 10.49 seconds set by American Florence Griffith-Joyner in 1988 remains unbroken.
Like a PP, I have always been a strong defender of trans rights. I wouldn't (previously) have had the slightest concern about a trans female sharing a room with my daughter on school trips, as discussed in a thread a year or two ago. I say previously, because these trans activists are seriously damaging my view of trans women generally. Previously I would have said 'what would someone have to gain by marking themselves out like that if it doesn't genuinely represent how they feel'. Now it's all too clear.
Trans activists are damaging the cause of reasonable trans women. They often seem to be lesbian (!) and quite apart from their advantage in sporting fields there seems to be an obvious advantage to them in gaining access to women's spaces.
If someone genuinely feels they were born the wrong gender and wants to change that, they should be accorded all consideration whilst progressing down the surgical path. That consideration doesn't necessarily extend to being allowed to access spaces needed by vulnerable women or competing in women's sports or being 'women's officers', but they should be able to use the ladies loo.
If someone just fancies dressing as a woman or is gender fluid, they should be treated with respect but it honestly isn't reasonable for them to expect to automatically invade women's spaces on a whim. I agree with a PP that more gender-neutral third spaces/sporting categories may be appropriate.
Returning to the 100m world record, have a look at this very long list of BRITISH male best times. Let me think for a moment, why on earth might a fast-ish man start considering embracing their female side... Funnily enough they've listed down as far as 10.49 seconds, the current female WORLD record:
www.gbrathletics.com/uk/ma99.htm