<Tr> <Th> Spouse (s) </Th> <Td> Florence Beryl Martyn (m . 1927; div. 1947) </Td> </Tr> <Tr> <Th> Children </Th> <Td> </Td> </Tr> <P> Herbert James "Burt" Munro (Bert in his youth; 25 March 1899--6 January 1978) was a New Zealand motorcycle racer, famous for setting an under - 1,000 cc world record, at Bonneville, 26 August 1967 . This record still stands; Munro was 68 and was riding a 47 - year - old machine when he set his last record . </P> <P> Working from his home in Invercargill, he worked for 20 years to highly modify the 1920 Indian motorcycle that he had bought that same year . Munro set his first New Zealand speed record in 1938 and later set seven more . He travelled to compete at the Bonneville Salt Flats, attempting to set world speed records . During his ten visits to the salt flats, he set three speed records, one of which still stands . </P>

How old was burt munro when he broke the land speed record