 The four throwing events generally all begin on one side of the stadium . The javelin throw typically takes place on a piece of track that is central and parallel to the <unk> of the main running track . The javelin throwing area is a sector shape frequently across the <unk> ( sports field ) in the middle of the stadium , ensuring that the javelin has a minimal chance of causing damage or injury . The discus throw and hammer throw contests begin in a tall metal cage usually situated in one of the corners of the field . The cage reduces the danger of implements being thrown out of the field of play and throws travel <unk> across the field in the centre of the stadium . The shot put features a circular throwing area with a toe board at one end . The throwing area is a sector . Some stadia also have a water jump area on one side of the field specifically for steeplechase races . 
