7U and 10U - 35ft.
10u=35 ft 12u=40ft
35 feet from the tip of home to the front edge of the pitching rubber.
Nationals for 10u 2012 Fastpitch Softball is in Bloomington, Indiana
40 feet for 16U 35 for 10U and moves to 43 feet in college
A 10-u softball is 11 inches
yes you can
Nationals in 2012 10u Fastpitch Softball is in Moline, Illinois
Birmingham vipers 02
An 11" ball is used in 10U play.