Asafa Powell, CD (born 23 November 1982) is a Jamaican sprinter who specialises in the 100 metres. He set the 100 metres world record twice, between June 2005 and May 2008 with times of 9.77 and 9.74 seconds. Powell has consistently broken the 10-second barrier in competition, with his personal best of 9.72 s ranking fourth on the all-time list of male 100 metre athletes. As of 1 September 2016, Powell has broken the ten-second barrier more times than anyone else—97 times. He currently holds the world record for the 100 yard dash with a time of 9.09 s, set on 27 May 2010 in Ostrava, Czech Republic. At the 2016 Rio Olympic Games he won a gold medal in the 4 x 100 metres relay. Powell competed in the 100 m at the 2004, 2008 and 2012 Olympics, finishing fifth in 2004 and 2008 and eighth after injuring his groin during the race in 2012. At the 2007 Osaka World Championships, he won a bronze and a silver medal in the 100 m and 4 x 100 m relay respectively, and he was successful at the Commonwealth Games, winning two golds and one silver medal. At the 2009 World Championships, he won the 100 m bronze and relay gold. Powell has won five times at the IAAF World Athletics Final and was the former 100 m world record holder in the event. Powell had tested positive for the drug oxilofrine in 2013 and withdrew from the 2013 World Athletics Championships as a result. Powell and fellow Jamaican Sprinter, Sherone Simpson had taken the supplement Ephiphany D1 as part of their training regimen, not knowing it contained oxilofrine. It was later revealed that Acacia was substituted with oxilofrine, and not revealed by the manufacturer. The duo sued the company that sold the supplement, Dynamic Life Nutrition (DLN), in order to clear their names. Both Powell and Simpson reached an out of court settlement for an undisclosed amount in September 2015. After the settlement, Simpson released a statement stating: "Both Asafa and I are happy that we were able to settle this out of court." In April 2014, the Jamaica Anti-Doping Commission suspended him for 18 months over doping charges, expiring in December that year. However, after appealing to the Court of Arbitration for Sport (CAS), the suspension was reduced to 6 months.