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
Justin Gatlin final at the London 2012 Olympics, earning a bronze medal. His performance at the 2012 Olympic 100 metre final contributed to the fastest 100 metre race in history, which saw the three medal winners, Usain Bolt, Yohan Blake and Gatlin all run under 9.80 seconds. He won his third Olympic medal in the 100 metres in the 2016 Olympic 100 metre final, finishing with the silver. At 34, he became the oldest man to win an Olympic medal in a non-relay sprint event. At the age of 35, Gatlin won the gold medal in the 100 metres at the 2017