Allyson Michelle Felix OLY (born November 18, 1985) is a retired American track and field athlete who competed in the 100 meters, 200 meters and 400 meters. She specialized in the 200 meters from 2003 to 2013, then gradually shifted to the 400 meters later in her career. At 200 meters, Felix is the 2012 Olympic champion, a three-time world champion (2005–2009), a two-time Olympic silver medalist (2004 and 2008), and the 2011 world bronze medalist. At 400 meters, she is the 2015 world champion, 2 ...