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 1908 Summer Olympics – Men's 100 metres Athletics at the 1908 Summer Olympics – Men's 100 metres The men's 100 metres was the shortest of the sprint races at the 1908 Summer Olympics in London. The competition was held over the course of three days. The first round was held on 20 July, the semifinals on 21 July, and the final on 22 July. These were the standing world and Olympic records (in seconds) prior to the 1908 Summer Olympics. "(*)" unofficial James Rector (in the 15th heat and the third semi-final) and Reggie Walker (in the first semi-final and final) both equalized the standing Olympic record.