The men's world record has been broken or equalled at the competition three times: by Carl Lewis in 1987 and 1991, and by Usain Bolt in 2009.
[1] Ben Johnson beat Lewis in the 1987 final, but his win and record were subsequently rescinded after his admission to long-term steroid use.
Carl Lewis, Maurice Greene and Usain Bolt are the most successful male athletes of the event, having each won three titles.
Johnson was stripped of his 100 m gold, elevating Carl Lewis to world champion, while Taylor-Issajenko finished fifth in the women's 100 m final.
[4] Tim Montgomery became the 100 m second medalist to be disqualified, losing his silver medal from the 2001 World Championships in Athletics.
Two women's medalists were stripped of their honours for doping Kelli White lost the world title while Zhanna Block had her bronze medal removed.