Usain Bolt of Jamaica crosses the finish line to win gold ahead of second place Justin Gatlin of the United States
David Oliver of the United States competes in the Men's 110 metres hurdles semi-final
Fabiana Moraes of Brazil (R) competes in the Women's 100 metres hurdles heats
Jasmine Todd of the United States competes in the Women's Long Jump qualification
Greggmar Swift of Barbados, Wenjun Xie of China, Omar McLeod of Jamaica and Aries Merritt of the United States compete in the Men's 110 metres hurdles semi-final
Gold medalist Allyson Felix of the United States talks with Christine Ohuruogu of Great Britain after the Women's 400 metres Final during
Women's 800m Semi Final 3
Usain Bolt of Jamaica (R) talks with silver medalist Justin Gatlin of the United States after the Men's 200 metres final
Darya Klishina of Russia competes in the Women's Long Jump qualification
Asbel Kiprop of Kenya (2nd L) and Aman Wote of Ethiopia (R) cross the finish line in the Men's 1500 metres heats
Priscilla Frederick of Antigua and Barbuda competes in the Women's High Jump
Jason Morgan of Jamaica competes in the Men's Discus qualification
Gold medalist Christian Taylor of the United States celebrates after the Men's Triple Jump final