Dwain Chambers /

Dwain Anthony Chambers (born 5 April 1978) is an English sprinter of Afro-Caribbean descent. He has won medals on the international stage numerous times and is one of the fastest European sprinters in the history of recorded athletics. His primary event is the 100 metres sprint, in which he has the second fastest time by a British sprinter. He is the European record holder for the 60 metres and 4 × 100 metres relay events with 6.42 seconds and 37.73 s respectively. He received a two-year ban in 2003 for taking performance enhancing drugs. Chambers was a promising young athlete, setting a junior world record of 10.06 s in the 100 m. He was the bronze medallist in the 1999 World Championships and made his first Olympic appearance at the Sydney 2000 Games; he turned in the best 100 m performance by a European at both events. By 2001, he had become the top British sprinter, breaking the 10-second barrier twice at the Edmonton World Championships. He became the 100 m European champion and record holder in 2002 but, in October 2003, he received a two-year athletics ban and a ban from the Olympics for life for using THG, a banned substance. Chambers returned to the track and field circuit