100 metres at the Olympics 40 in 2000 and reached the Olympic semi-finals four years later. (Ottey is also the most frequent participant having competed in the Olympic 100 m an unrivalled six times from 1984 to 2004). The first women's champion, Betty Robinson in 1928, remains the youngest gold medallist for the event at 16 years old, while a 32-year-old Linford Christie became the oldest 100 m Olympic champion in 1992. Since introduction of testing by the IAAF in the early-20th century, female sprinters may be subject to gender verification. This rule was first formally applied to the 100 m at the 1968 Mexico
100 metres at the Olympics (IOC) later decided not to recognise these games as part of the official Olympic series. Some sports historians continue to treat the results of these games as part of the Olympic canon. At this event a men's 100 m was held and 1904 Olympic champion Archie Hahn of the United States won the race. Another American, Fay Moulton, was the runner-up and Australian Nigel Barker was the bronze medallist. In addition to the main 1900 Olympic men's 100 metres, two further 100 m events were held that year. A handicap race attracted 32 athletes from 10 countries and was won