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 at the Olympics, and in sport as a whole, occurred during the 1988 Seoul Olympics. Ben Johnson entered the race as the reigning 100 metres world record holder and won the Olympic final, raising his arm in victory, in a new world record of 9.79 seconds to much fanfare. Soon after being awarded the gold medal the results of his post-race drug test revealed his urine contained traces of stanozolol (a banned steroid). Johnson later admitted to doping, but he and his coach Charlie Francis still claimed he had his drink spiked at the Olympics, as Johnson was taking a