Google “ why should transgender compete in women's sports”
Ignore the results that confirm your preexisting bias. Study the ones you disagree with.
“You won’t lead me by the nose to the data, so it doesn’t exist” is the weakest form of counter argument. Weaker than post count smack.
Here’s a peer reviewed study. I haven’t looked at it so I don’t know what it says.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8944319/
There are numerous others if you’re truly willing to do the “research.” Here’s a literature review study.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5357259/
Or just continue to hold an ill-informed opinion. I don’t care which you choose.