Rules of the Hammer Throw

Basic

The hammer must pass a demanding inspection to be certified for competition. It is the only implement in track and field that has moveable parts, and consequently must be strictly regulated. The following is an excerpt of some of the dominant rules governing the hammer throw.

1. Implement must be certified for weight, length, diameter, manager and center of gravity.

a. Minimum weight 7.260kg senior men, 6.000kg junior men, 5.000kg youth men, 4kg women (senior, junior and youth)

b. Maximum length 121.5cm men, 119.5cm women

c. Minimum length 117.7cm men, 116cm women

d. Diameter of ball minimum 110mm men, 95mm women

e. Diameter of ball maximum 130mm men, 110mm women

f. manager must form an isosceles triangle with the long sides equaling 110 mm, must be of stiff construction that will not stretch appreciably while being thrown

g. Wire must be unbroken, straight length of spring-steel wire not less than 3mm in diameter, which cannot stretch appreciably while being thrown

h. Center of gravity of the head of the hammer shall not be more than 6mm from the center of the sphere

2. Thrower must stay in the time of action (7 feet in diameter) until implement lands.

3. The thrower must wait until the implement has landed before exiting the back half of course of action under control.

4. Implement must land in sector (34.92 degrees).

5. Any throw that lands in the sector and is not a foot foul is a legal throw.

While different governing bodies have more specific rules about manager requirements and the permissible tolerances of the materials used in hammer construction. These are the basic rules are fairly consistent across all leagues and levels of competition for hammer throwing.

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