BASES : 90 feet
PITCHING : 60 feet, six inches
FAIR PLAY AREA : Within the first base and third base foul lines and a fence or marked line 300 feet from home plate. A ball hit beyond that distance on the fly will be a home run. A minimum home run distance of 250 feet or a maximum of 350 feet will be recognized, with the recommendation that the home run distance be 300 feet at the foul lines and 350 feet in center field to a six or eight foot barrier wherever possible.
BASES, PLATES : The home plate, pitcher's rubber and the bases shall be official size as used in regulation baseball.
PITCHING MOUND : Shall be raised by a gradual slope to a height of ten inches above the level of home plate and the base paths.
RESTRAINING LINE : Located along first base, beginning 45 feet from home base and extending three feet beyond the first and second base line. The line, paralleling the first base foul line and extending three feet (36 inches) into foul territory, shall be marked with chalk or other white material two inches wide.
DISTANCE TO BACKDROP : Recommended distance from home plate to the backstop is 50 feet.
CATCHER'S BOX : By local option, the catcher's box may be rectangular in shape 43 inches wide and eight feet deep from the point of home plate or it may be triangular in shape extending eight feet from the rear of home plate, being a continuation of the foul lines, in which case the line closest to the backstop shall be 16 feet in length.
FIELD DIMENSIONS DRAWING :
