Jamaica's Usain Bolt, left, after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262139
Jamaica's Usain Bolt, left, and the United States' Justin Gatlin after the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262137
Jamaica's Usain Bolt after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262135
Jamaica's Usain Bolt after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262134
Jamaica's Usain Bolt after the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262133
Jamaica's Usain Bolt after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262132
Jamaica's Usain Bolt, left, after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262131
Jamaica's Usain Bolt after the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262129
Jamaica's Usain Bolt after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262125
Jamaica's Usain Bolt after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262124
Jamaica's Usain Bolt, right, in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262123
Jamaica's Usain Bolt, right, after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262122
Jamaica's Usain Bolt, right, in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262121
From left: Jamaica's Nesta Carter, Kemar Bailey-Cole and Usain Bolt, the United States' Justin Gatlin, Jamaica's Nickel Ashmeade, France's Christophe Lemaitre, and Great Britain's James Dasaolu in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262120
Jamaica's Usain Bolt after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262119
Jamaica's Usain Bolt, left, after finishing in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262118
Jamaica's Usain Bolt, center, after winning the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262116
Jamaica's Usain Bolt in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262115
Jamaica's Usain Bolt, 4th left, in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262114
From left: Jamaica's Kemar Bailey-Cole and Usain Bolt and the United States' Justin Gatlin in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262113
Jamaica's Usain Bolt, 2nd left, in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262112
Jamaica's Usain Bolt, center, in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262111
Jamaica's Usain Bolt in the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262109
Ethiopia's Tirunesh Dibaba, left, and Belaynesh Oljira after finishing in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262107
Nigeria's Blessing Okagbare, who won the silver medal in the women's long jump event at the 2013 World Championships in Athletics in Moscow, at the awarding ceremony.11.08.2013#2262106
Jamaica's Usain Bolt before the men's 100m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262104
Ethiopia's Tirunesh Dibaba after finishing in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262102
From left: Nigeria's Blessing Okagbare, the United States' Brittney Reese, and Serbia's Ivana Španović, who won silver, gold and bronze medals in the women's long jump event at the 2013 World Championships in Athletics in Moscow, respectively, at the awarding ceremony.11.08.2013#2262101
Ethiopia's Belaynesh Oljira after finishing in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262100
Kenya's Sally Kipyego, left, and Gladys Cherono after finishing in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262099
Ethiopia's Tirunesh Dibaba, left, and Belaynesh Oljira after finishing in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262097
Ethiopia's Tirunesh Dibaba after finishing in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262095
Japan's Hitomi Niiya, left, and Ethiopia's Tirunesh Dibaba after finishing in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262094
Japan's Hitomi Niiya after finishing in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262093
France' Mélina Robert-Michon in the women's discus throw final at the IAAF World Championships in Athletics 2013 in Moscow.11.08.2013#2262092
Croatia's Sandra Perković in the women's discus throw final at the IAAF World Championships in Athletics 2013 in Moscow.11.08.2013#2262090
From left: Kenya's Gladys Cherono and Ethiopia's Belaynesh Oljira and Tirunesh Dibaba in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262089
Croatia's Sandra Perković after the women's discus throw final at the IAAF World Championships in Athletics 2013 in Moscow.11.08.2013#2262088
Croatia's Sandra Perković after the women's discus throw final at the IAAF World Championships in Athletics 2013 in Moscow.11.08.2013#2262086
France' Mélina Robert-Michon after the women's discus throw final at the IAAF World Championships in Athletics 2013 in Moscow.11.08.2013#2262085
Belgium's Thomas van der Plaetsen after the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262083
The Netherlands' Eelco Sintnicolaas after the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262082
The United States' Ashton Eaton, right, in the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262081
Athletes in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262080
Russia's Ilya Shkurenyov in the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262079
Russia's Ilya Shkurenyov after the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262078
From left: The United States' Ashton Eaton and Russia's Ilya Shkurenyov and Sergei Sviridov after the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262076
Russia's Gyulshat Fazlitdinova in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262075
Canada's Damian Warner, left, and the United States' Ashton Eaton after the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262073
Russia's Gulshat Fazlitdinova, center, in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262072
The United States' Ashton Eaton after the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262071
From left: The United States' Ashton Eaton and Russia's Ilya Shkurenyov and Sergei Sviridov after the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262070
Russia's Gulshat Fazlitdinova, left, and Japan's Hitomi Niiya before the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262069
Russia's Ilya Shkurenyov, left, and the United States' Ashton Eaton after finishing in the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262068
The United States' Ashton Eaton after finishing in the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262067
Russia's Ilya Shkurenyov after finishing in the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262066
Athletes in the women's 10,000m final race at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262065
Russia's Yelena Isinbayeva after women's pole vault qualification at the IAAF World Championships in Athletics 2013 in Moscow.11.08.2013#2262064
Russia's Ilya Shkurenyov after finishing in the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262063
France's Gaël Quérin in the 1,500m race during the men's decathlon at the 2013 World Championships in Athletics in Moscow.11.08.2013#2262062