He represented his native country in the men 's marathon at two consecutive Summer Olympics , starting in Mexico City ( 1968 ) .
David Closs McKenzie ( born 16 March 1943 in Dunollie , Grey District ) is a former long - distance runner from New Zealand .
David Closs McKenzie represented David Closs McKenzie 's native country in the men 's marathon at two consecutive Summer Olympics , starting in Mexico City ( 1968 ) .
David Closs McKenzie ( born 16 March 1943 in Dunollie , Grey District ) is a former long - distance runner from New Zealand .