My 12-year-old DD recently hit a PR of 59mph at a lesson (2x).
She’s not big, weighs under 110lb. There are 7 months of 12-U left, so the hope is she starts cruising at that speed this spring.
I was told there were about a half dozen girls throwing 60+ at 11U last year from someone whose DD played PGF in the Midwest/South and also guested for a big-name SoCal team. He said most were low 50s.
Video of her throwing 58mph in the basement.
Thats a powerful 110 lbs.