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 2008 Summer Olympics – Men's 4 × 100 metres relay Athletics at the 2008 Summer Olympics – Men's 4 × 100 metres relay The Men's 4 × 100 metre relay event at the 2008 Olympic Games took place on 21 and 22 August at the Beijing National Stadium. There were 16 NOCs competing at this event. These 16 NOCs were selected by the average of the two best marks at the qualifying period. Australia was 14th but withdrew and the Netherlands was invited instead. The final was won by Jamaica in the new World record time 37.10. On 25 January 2017, the Jamaican team was stripped of the gold medal