The playing field
a. Is the area within which the ball may be legally played and fielded.
b. Shall have a clear and unobstructed area within the minimum radius of:
1. 67.06 m (220 ft) for junior and women fast pitch; or
2. 76.20 m (250 ft) for junior and men fast pitch; or
3. 80.77m (265 ft) for junior women slow pitch
4. 83.82 m (275 ft) for women slow pitch; or
5. 83.82m (275 ft) for Co-ed slow pitch, or
6. 91.44 m (300 ft) for men slow pitch
from home plate between the foul lines.
c. Shall have an unobstructed area of not less than 7.62m (25 ft), nor more than 9.14m (30 ft) in width, outside the foul lines and between home plate and the backstop.
d. Should have a warning track. If a warning track is used, it shall be:
1. An area within the playing field and adjacent to any permanent fence along the outfield and side boundaries.
2. A minimum of 3.65m (12 ft) to a maximum of 4.57m (15 ft) from the outfield and/or side fences.
3. Made of material (dirt, gravel) that is level with, but different from, the playing surface. The material must distinguish itself from the outfield surface, and signals players when they are approaching the fence.
(BOCOG)