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
4 × 100 metres relay at the Olympics disqualify a team because of a doping offense of one athlete. Frank Wykoff, Evelyn Ashford and Usain Bolt are the most successful athletes in the event, having each won three gold medals. In terms of total career medals, the most successful is Jamaica's Veronica Campbell-Brown with four (one gold and three silvers). Only two other athletes have won three medals in the event: Marlies Göhr (twice champion) and Lyudmila Zharkova. 4 × 100 metres relay at the Olympics The 4×100 metres relay at the Summer Olympics is the shortest track relay event held at the multi-sport event. The men's relay