Background
Smith was born in Amersham, England.
Smith was born in Amersham, England.
She represented Great Britain and Northern Ireland at the 1964 Tokyo Olympic Games. In 1967, Smith broke two world records in one race, running 4:17.3 for the 1500 metres and 4:37.0 for the mile. These were the first 1500 m and mile world records to be ratified by the IAAF. At the 1964 Olympic Games in Tokyo, she reached the final of the 800 metres (women were not permitted to run any distance longer than 800 m at the time).
She set a British record of 2:04.8 in the semi-final.
On 3 June 1967, in Chiswick, London, Smith broke two world records in one race, these times of 4:17.3 (1500m) and 4:37.0 (mile) were the first records to be officially ratified by the IAAF. Smith worked as a PE teacher, she died in London on 9 November 1993, aged 52, following a brain hemorrhage.