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Gordon Edmund McKenzie (June 26, 1927 – July 19, 2013) was an American athlete who competed in the 10,000 meters at the 1956 Summer Olympics in Melbourne, Australia and the marathon at the 1960 Summer Olympics in Rome, Italy. McKenzie, running 2:28:18, finished second to Paavo Kotila in the 1960 Boston Marathon, an Olympic trials race. In 1961, he finished fourth at Boston, in 2:25:46.