American medal tracker for IAAF World Championships

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.

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)

Michael Tinsley of the United States reacts after the Men's 400 metres hurdles 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 Paul Gilham/Getty Images)

Dalilah Muhammad of the United States wins silver in the Women's 400 metres hurdles finalduring Day Six of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 15, 2013 in Moscow, Russia. (Photo by Jamie Squire/Getty Images)

Bronze medalist Lashinda Demus of the United looks on after the Women's 400 metres hurdles 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 Christian Petersen/Getty Images)

MOSCOW, RUSSIA - AUGUST 13: Jennifer Suhr of the United States competes in the Women's pole vault final during Day Four of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 13, 2013 in Moscow, Russia. (Photo by Cameron Spencer/Getty Images)

"MOSCOW, RUSSIA - AUGUST 13: Nick Symmonds of the United States celebrates winning silver in the Men's 800 metres final during Day Four of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 13, 2013 in Moscow, Russia. (Photo by Jamie Squire/Getty Images)

#MOSCOW, RUSSIA - AUGUST 13: LaShawn Merritt of the United States celebrates winning gold in the Men's 400 metres final during Day Four of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 13, 2013 in Moscow, Russia. (Photo by Julian Finney/Getty Images)

MOSCOW, RUSSIA - AUGUST 13: (L-R) Gold medalist LaShawn Merritt of the United States, silver medalist Tony McQuay of the United States and bronze medalist Luguelin Santos of the Dominican Republic pose after the Men's 400 metres final during Day Four of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 13, 2013 in Moscow, Russia. (Photo by Ian Walton/Getty Images)

MOSCOW, RUSSIA - AUGUST 12: Ryan Wilson of the United States celebrates winning silver in the Men's 110 metres Final during Day Three of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 12, 2013 in Moscow, Russia. (Photo by Paul Gilham/Getty Images)

YMOSCOW, RUSSIA - AUGUST 12: Bronze medalist Carmelita Jeter of the United States and gold medalist Shelly-Ann Fraser-Pryce of Jamaica pose after the Women's 100 metres final during Day Three of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 12, 2013 in Moscow, Russia. (Photo by Ian Walton/Getty Images)

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