Softball pitchers have been known to pitch as fast as 72 miles per hour in fastpitch softball. The average rate of softball pitching increases with the age of the pitcher.
Fastpitch softball is typically a sport played by girls and women at both the school and professional level. The pitch is delivered underhand, with a whirling wind-up. Girls who are 10 and under tend to pitch in a range from 37 to 41 miles per hour. This increases to a range of 44 to 49 miles per hour in the middle school years, with high school fastpitch pitchers hitting an average range of 50 to 56 miles per hour. College and professional fastpitch softball pitchers average 59 to 64 miles per hour.