In my opinion, 12 year old shouldn't pitch the ball fast. Hard but not fast! In other words, don't hold back but don't strain either. You have plenty of time to develop speed once your body is developed. Concentrate on good fielding and ball contact when batting and your set for huge future in fpsoftball. A glove is 10 times better than a bat or a pitch.
Honestly, It depends on the girl. Some don't even pitch 40, while others pitch nearly 60.
1911 approximately
Should pitch at least 75 at high 80
A 10 year old girl should pitch about 40-55mph.
The year was 1991
38-45 mph
11.6 Seconds
I know a pitcher trains year round for fast pitch softball. There are different drills that they do and most throw at least 100 pitches every day.
9 and 10 year olds.
sanjana
Most 11 year old girls speak the language they were raised in.
100.9 MPH. Nolan Ryan holds the record. He did in 1974 when he was 27 years old. He most likely could throw this fast at 30 years old because he pitched until he was 46 years old.