• Source: Debbie Dunn

Debbie Dunn (born 26 March 1978) is an American sprinter, who specializes in the 400 metres. Originally from Jamaica, she attended Fairmont Heights High School in Maryland, then Norfolk State University, and became an American citizen in 2004.
At the 2009 World Championships in Athletics Dunn set a personal best of 49.95 seconds to qualify for the 400 metres world final. She was a little slower in the final, however, and finished in sixth place. In the 4 x 400 m relay event she finally outpaced everybody, grabbing the gold medal together with teammates Allyson Felix, Lashinda Demus and Sanya Richards.
One year later, at the 2010 World Indoor Championships in Doha, Dunn achieved her first major individual victory by becoming 400 metres world indoor champion. She earned a second gold medal for the 4 x 400 m relay, in which the U.S. team consisting of Dunn, DeeDee Trotter, Natasha Hastings and Allyson Felix finished in 3:27.34.
In July 2012, it was announced that she tested positive for a banned substance. In September 2012 she was given a two-year suspension.




Personal bests


200 metres – 22.73 s (2009)
400 metres – 49.64 s (2010)




References






External links


Debbie Dunn at World Athletics

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