Beryl Burton dominated women’s cycle racing in the UK, winning more than 90 domestic championships and seven world titles, and setting numerous national records. She set a women's record for the 12-hour time-trial which exceeded the mens records for two years. She was world champion five times (1959, 1960, 1962, 1963 and 1966), silver-medallist three times (1961, 1964 and 1968), and winner of bronze in 1967, 1970, 1971 and 1973. In 1967, she set a new 12-hour time trial record of 277.25 miles – a mark that surpassed the men’s record of the time by 0.73 miles and was not superseded by a man until 1969. Burton, who had always had a somewhat odd heart arrhythmia, died of heart failure during a social ride, when she was out delivering birthday invitations for her 59th birthday party.