World Athletics: Gold, silver... heart-break

Ezekiel Kemboi of Kenya jumps a water obstacle in the men's 3000 metres steeplechase final during the 15th IAAF World Championships at the National Stadium in Beijing, China August 24, 2015. REUTERS/Kai Pfaffenbach  

Renaud Lavillenie of France competes in the men's pole vault final during the 15th IAAF World Championships at the National Stadium in Beijing, China, August 24, 2015. REUTERS/Fabrizio Bensch

Shelly-Ann Fraser-Pryce of Jamaica (L) competes on her way to winning the women's 100 metres final as she crosses the finish line during the15th IAAF World Championships at the National Stadium in Beijing, China August 24, 2015.  REUTERS/Phil Noble

Caterine Ibarguen of Colombia competes in the women's triple jump final during the 15th IAAF World Championships at the National Stadium in Beijing, China, August 24, 2015.   REUTERS/Phil Noble

 USA's Shelbi Vaughan competes in the qualifying round of the women's discus throw athletics event at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing on August 24, 2015.  (AFP)

Aruba's Quincy Breell competes in the qualifying round of the men's long jump athletics event at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing on August 24, 2015.  (AFP)

Natasha Hastings of U.S. on the starting block before the women's 400 metres heats during the 15th IAAF World Championships at the National Stadium in Beijing, China August 24, 2015. (Reuters)

Jennifer Suhr of the U.S. competes in the women's pole vault qualifying round during the 15th IAAF World Championships at the National Stadium in Beijing, China, August 24, 2015. (Reuters)

Allyson Felix of U.S. on the starting block before of the women's 400 metres heats during the 15th IAAF World Championships at the National Stadium in Beijing, China August 24, 2015. (Reuters)

Jamaica's Usain Bolt hugs his mom, Jennifer Bolt, after Usain won the men’s 100m final at the World Athletics Championships at the Bird's Nest stadium in Beijing, Sunday, Aug. 23, 2015. (AP)

Aug 23, 2015; Beijing, China; Jessica Ennis-Hill (GBR) and Brianne Theisen-Eaton (CAN) react after placing first and second in the heptathlon during the IAAF World Championships in Athletics at National Stadium. Mandatory Credit: Kirby Lee-USA TODAY Sports

A combination of images shows Rolanda Bell of Panama falling head first into the water obstacle during the women's 3000 metres steeplechase heats at the 15th IAAF World Championships in the National Stadium in Beijing, China August 24, 2015. (Reuters)

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