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 – Men's 100 metres Athletics at the 1948 Summer Olympics – Men's 100 metres The men's 100 metres sprint event at the 1948 Olympic Games in London, England, we held at Wembley Stadium on 30 and 31 July. The final was won by American Harrison Dillard, in a photo finish. This was the first time a photo finish camera was used at an Olympic Games. Prior to the competition, the existing World and Olympic records were as follows. The fastest two runners in each of the twelve heats advanced to the second round. Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Heat