American medal tracker for IAAF World Championships

Jennifer Simpson of the United States celebrates winning silver in the Women's 1500 metres final during Day Six of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 15, 2013 in Moscow, Russia. (Photo by Ian Walton/Getty Images)

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The 14th IAAF World Championships are underway in Moscow, Russia. This event attracts the top competitors in the world and a small glimpse at possible Olympic match-ups. The United States has a stacked team of athletes who are already dominating the competition. Follow the American winners with this medal tracker.

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