Obviously this won’t work for all sports, but things like football, track, soccer, it would allow for de-gendered team, even allowing athletes with the skills but not the genetically-endowed physical attributes to have a place to play.
Note: I know very little about sports and being on a sports team, so please point out anything that doesn’t make sense.
There was a story on Reddit from a soldier, his squad ended up in a fight with rugby players in a bar in Australia and after the fight they had a drink together and when a soldier told the players they were pretty brave to start fighting people in the army, they replied “the only people we fear is women who play rugby because they’re completely crazy”.