Depends on how fast they are
It depends on how much they practice and workout. So anywhere from 45-55 miles an hour.
A 10 year old girl should pitch about 40-55mph.
A 12 year old girl should be anywhere from 40-47mph.
they can do it in no time with a bit of gas in thEm...
i think a 12 year old girl should be able to run a mile in about 9 minutes at most. if you run frequently and keep in shape, you should be able to get some seconds off your time. if you really stick to it, you could get into 6 minute miles! so good luck!
The average 14 year old should be able to throw around 55-65 miles per hour.
2 miles a year.
The slowest a person should run is 15 seconds.