sentences:  After college, Flax went on to compete in three World University Games winning a bronze and in 1991 he won the gold medal, beating the former number one ranked hammer thrower in the world, Heinz Weis.One of the highlights of Flax's throwing career was competing in the 1987 and 1991 World Championships, where he finished 7th in 1991 marking the first time in 21 years that an American has made the finals in the hammer throw in a non-boycotted major world event.Flax won the gold medal in the hammer throw at both the 1985 Maccabiah Games, and then at the 1989 Maccabiah Games with a 78.86 meter toss.