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
Athletics at the 1948 Summer Olympics – Women's 100 metres an estimated Athletics at the 1948 Summer Olympics – Women's 100 metres The women's 100 metres sprint event at the 1948 Olympic Games took place July 31 and August 2. The final was won by Dutch Fanny Blankers-Koen. Prior to the competition, the existing World and Olympic records were as follows. The fastest two runners in each heat advanced to the semifinals. Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Heat 6 Heat 7 Heat 8 Heat 9 The fastest two runners in each heat advanced to the final. Heat 1 Heat 2 Heat 3 Key: Est =