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 2012, 2016). Two of these men have won a fourth gold medal at the same games - Archie Hahn in the now defunct 60 metres, and both Jesse Owens and Carl Lewis in the long jump. Seven women have achieved the 100 metres and 200 metres 'Double' at the same Olympic Games - Fanny Blankers-Koen (1948), Marjorie Jackson (1952), Betty Cuthbert (1956), Wilma Rudolph (1960), Renate Stecher (1972), Florence Griffith-Joyner (1988), and Elaine Thompson (2016). Four of these women were also members of the winning team in the 4x100 meters relay at the same games - Fanny Blankers-Koen (1948), Betty