 Kushnir won the gold medal in the broad jump at the 1957 Maccabiah Games.Kushnir also competed for Israel at the 1960 Summer Olympics, at the age of 29, in Rome, Italy, in the Men's Long Jump, jumped 7.20 meters, and came in 25th.He won the Israeli Championship in the long jump in 1960, 1961, 1963, and 1964.