You can't beat biology.
The world record for the women's 100m sprint was set in 1988 at 10.49s by Florence Joyner at 29. [0]
High school boys in the US easily beat those times. [1]
0: https://en.wikipedia.org/wiki/List_of_world_records_in_athle...
1: https://en.wikipedia.org/wiki/List_of_United_States_high_sch...