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 1988 Summer Olympics – Men's 100 metres Athletics at the 1988 Summer Olympics – Men's 100 metres The Men's 100 Meters at the 1988 Summer Olympics in Seoul, South Korea – frequently dubbed "the dirtiest race in history" – ended in controversy after Canada's Ben Johnson defeated defending champion Carl Lewis of the United States in a world record time of 9.79s, breaking his own record of 9.83s that he had set at the 1987 World Championship in Rome. Two days later, Johnson was stripped of his gold medal by the International Olympic Committee (IOC) after his post-race drug test determined he had taken stanozolol, and his