Allyson Felix

Allyson Michelle Felix is an American track and field sprint athlete who competes in the 100 meters, 200 meters and 400 meters. At 200 meters, she is the 2012 Olympic champion, a 3time World champion , and 2time Olympic silver medalist . In 2015, she became World champion at 400 meters. She has won three additional Olympic gold medals as a member of the United States womens relay teams two atx 400 meters and one as part of the 2012 worldrecordx 100 meters team.

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Source: Wikipedia