Francena McCorory

Francena McCorory is an American track and field athlete, known primarily for running the 400 metres, and is the NCAA and American indoor record holder in that event. She was a member of the 2012 United States Olympic team and won the gold medal in the 400 m relay at the 2012 Summer Olympics in London. She is the reigning IAAF 400 meter Indoor World Champion .

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Source: Wikipedia