No the men's speed advantage is lost over greater distances. Yes, less people run utlra's but also of those who do run them, they are higher caliber runners on average (professionals/elites).
>Of course the worlds fastest women will beat any man who doesn't practice,
She is beating professionals in these ultra's, people don't just roll out of bed and run 240 miles without practice. And she has beat them by as much as 10 hours. She even holds the record for longest run in a 24 hour period and its not because men don't run that race, hell David Goggins has done 24 hour races and she beats him by over a half marathon.
No she doesn't, she held the womens record for that category but never the mens.
Men record 24h: 303.5 km
Women record 24h: 262.2 km
Dauwalter record 24h: 250.0 km (155.391 miles)
> She is beating professionals in these ultra's
I highly doubt that, there are extremely few professional ultra-marathon runners. She might beat professional marathon runners, but that is another sport so isn't really comparable. It is like beating a 100m runner in a marathon, women can do that easily.
>there are extremely few professional ultra-marathon runners.
That is generally fair, but there are extremely few professional runners period. But per capital, you will find the the runners of 100 mile/240 mile races are going to be more elite on average than your average marathon runner. Are there less ultra runners sure, is the average ultra runner more likely to be elite than a casual runner? I still don't consider Ultra runs niche, and by default I think its wrong to say if a women runs a race, by definition that race is niche.
It's time to give up on this throwaway account, you're just spewing garbage now. The 24 hour record is held by someone who has a penis attached to their body, and the women's record is not held by Courtney. And a woman didn't win the NYC Marathon in 2018. Three strikes...
https://en.wikipedia.org/wiki/Ultramarathon#IAU_World_Best_P...
You can see that the top man ran 433.095 km in 48h, while the top woman did only 401.000 km in that time, so he was about 8% faster. Compare that to 100m where the men are 9% faster, so the male advantage is basically constant with respect to distance.
Of course the worlds fastest women will beat any man who doesn't practice, so dedicated women have no problem beating men in smaller races.