Men The events in the men's section ended with a world record in 4 × 100 metres relay set by Jamaica and several world's leading results.
Jamaica dominated the sprinting events, while
Kenya and
Ethiopia dominated the longer track events. In the field events, the
United States and
Germany were most successful, winning four and three gold medals respectively.
Yohan Blake and
Usain Bolt, both from Jamaica, won two gold medals, being the most successful athletes in the men's events. In the
100 m final the largely favored Usain Bolt was disqualified for a
false start, enabling
Yohan Blake to win the crown with a time of 9.92 s. In the
200 m Bolt won with a time of 19.40 s, which was the fastest time ever not to be a world record at that point. Blake and Bolt, along with countrymen
Nesta Carter and
Michael Frater, ran in the 4 × 100 metres relay, setting a new world record with a time of 37.04 s. In the
10,000 metres event, World Champion
Kenenisa Bekele did not finish the race. The world record holder in
800 m,
David Rudisha, won the event with his first gold medal at the World Championships. On the last day, Kenyan
Abel Kirui became the third marathon winner to retain the title at the next World Championships, after Abel Anton and Jaouad Gharib. Most of the field events ended with new winners, but
Dwight Phillips retained the
long jump title, becoming only the second man after
Ivan Pedroso to win four golds at the World Championships in this event. Ethiopia's
Imane Merga was originally awarded the bronze medal in the
Men's 5000 metres, but he was later disqualified for having run inside the curb of the running track for some 10 to 15 metres. His teammate
Dejen Gebremeskel was elevated to the bronze medal as a result. Cuba's
Dayron Robles finished first in the race of the
Men's 110 metres hurdles, but was disqualified for interfering with
Liu Xiang twice before and over the last barrier.
Jason Richardson was awarded the Gold, Liu the Silver, and
Andy Turner promoted to the Bronze medal position.
Track of Jamaica, winner of the men's 100 metres of Grenada defended his steeplechase world title
Field of Japan won the men's hammer champion
Trey Hardee Women During the championships,
Russia was the most successful country in the women's events, winning seven gold medals, followed by the
United States with six. Most successful female athlete was
Allyson Felix having won two relay golds and silver and bronze in her individual events. On the first day of the Championships, the athletes of
Kenya made an astonishing performance, winning all six medals available in the two events. Kenya also dominated the long-distance events, while Jamaica and the United States the sprinting. In the field events, Russia was initially dominant, winning four gold medals. Following a series of retests of stored samples and biological passports, a number of athletes were stripped of medals because of doping. Nine medals in eight events were forfeited for doping, eight of them from Russia, including five gold medals. The only Russian medals that survived the post-championship doping purge were two gold medals in the high jump and the hammer throw, and a bronze medals in the pole vault and the 400 metres hurdles. Of the four surviving medalists, a further three were eventually banned for doping. The amended results left the United States the clear leading nation in women's athletics.
Track and
Carmelita Jeter were the top two in both the women's short sprints. narrowly defeated
Allyson Felix to become Botswana's first World or Olympic track and field champion of Kenya won both the 5000 and 10,000 m won the 100 m hurdles in a championships record time.
Field Original gold medalist
Mariya Abakumova of Russia was stripped of her gold medal. Original gold medalist
Tatyana Chernova of Russia was stripped of her gold medal on 29 November 2016 by the Court of Arbitration for Sport, with Ennis and Oeser promoted to gold and silver respectively and the bronze awarded to Karolina Tymińska of Poland. File:Valerie Adams Daegu 2011.jpg|
Valerie Adams broke the championship record in the shot put. File:Mariya Abakumova Daegu 2011.jpg|
Mariya Abakumova improved the championship and Russian record in javelin. File:Tatyana Chernova Daegu 2011.jpg|
Tatyana Chernova defeated the defending heptathlon champion
Jessica Ennis, but was disqualified in 2016 for doping offences. ==Anti-doping programme==