what is the diameter of a shot put circle
SportsEdge Throwing Circles. Circles are pre-formed from 2â³ x 2â³ x 1/4â³ aluminum and help in the construction of concrete pads for the shot put, discus and hammer throw events. The vertical leg of the aluminum angle becomes the wall for the 3/4â³ recessed throwing circle per the requirements of NCAA and IAAF regulations. Discus circles are 96.5â³ in diameter. Shot/Hammer circles are 84â³ in diameter. Either circle available in 1â³ x 1â³ and 2â³ x 2â³ sizes. SE374 Aluminum Shot/Hammer Circle â 2â³ x 2â³ x 1/4â³ SE375 Aluminum Discus Circle â 2â³ x 2â³ x 1/4â³ SE370 Aluminum Discus Circle. Supply Unit: 4 sections. Specification Compliance: IAAF, NCAA, NFHS