Olympic champion Usain Bolt responded to last week's surprise sprint defeat in Rome by storming to a world-leading time of 19.79 seconds over 200 metres at the Bislett Diamond League meeting on Thursday.
Images from the Day Nine of the 14th IAAF World Athletics Championships at Luzhniki Stadium in Moscow.
Usain Bolt lived up to all the hype of becoming a "living legend" at the London Games, decisively defending his 100-meter title by beating Jamaican training partner Yohan Blake in the defining race of the Olympics.
Usain Bolt of Jamaica won his second straight Olympic gold medal in the men's 100 metres on Sunday, crossing the line in an Olympic record 9.63 seconds. Bolt joined Carl Lewis as only the second man to go back-to-back in track's biggest race.
Usain Bolt has already started his preparations for next year's Rio Games and has sent a warning to his competitors.
Usain Bolt once again produced his best when it mattered most to retain his 100 metres world title and reassert his status as the number one sprinter on the planet at a rocking Bird's Nest Stadium on Sunday night.
The American became only the third man to win both the 100 and 200 at a world championships.
The 23-year-old Jamaican destroyed his rivals in Zurich to equal the record of 9.77 seconds he shares with American Justin Gatlin.
The Jamaican clocked 9.77 seconds at the British Grand Prix meeting in Gateshead.
Six-time Olympic gold medallist Usain Bolt won the men's 100m at the World Athletics Championships, breezing home in 9.78 seconds in Moscow on Sunday night. Justin Gatlin of the United States was second in 9.85 seconds while and Nesta Carter of Jamaica was third in 9.95.
Usain Bolt completed another 100-200 double at the IAAF World Championships when he bested rival Justin Gatlin to the 200 metres title at the Bird's Nest.
By his own charismatic admission, Usain Bolt is a living legend. But if the Jamaican sprint king pulls off only part of his stated goals in Rio de Janeiro, a whole new vocabulary of superlatives will be required. Arguably the greatest sprinter in history, Bolt already owns the world records for the 100 meters and 200m. In London four years ago, he completed an unprecedented "Double Triple" by retaining the 100m, 200m and 4x100m crowns won four years earlier in Beijing.
A relaxed Usain Bolt led a quartet of Jamaicans into the world 100 metres final later on Sunday by flexing his legs to win his semi-final in 9.92 seconds.
The great Jamaican, who has won eight Olympic and 11 world championship gold medals, is planning to quit the track after competing in the 100m and 4x100m relay in the global event in London.
A summary of sports events and persons who made news on Thursday.
'People are saying I need to win for the sport but there's a lot of other athletes out there running clean, and who have run clean throughout their whole careers'
American Noah Lyles stormed to his third consecutive world 200 metres title on Friday to underline his status as the best in the business since Usain Bolt.
'At the end of the day, athletes are humans just like the rest of us.'
'There are so many guys who are hungry, want to win, are competitive, really talented and great athletes. It doesn't necessarily have to be one guy.'
Usain Bolt is determined to concrete his legacy by capping eight years of sprint dominance by defending his 100, 200 and 4x100 metres relay titles in Rio in what he has said will be his final Olympics.
Jamaica's Usain Bolt won his third consecutive Olympic gold medal in the 100 metres with a time of 9.81 seconds on Sunday.
Usain Bolt's lack of form combined with his late withdrawal from the Jamaican 100 metres national trials on Thursday have raised more doubts about the future of the world's fastest man.
Head-to-head rivalries featuring the world's leading athletes are the best way forward for the beleaguered sport of track and field.
Trayvon Bromell, the fastest in the world this year and favourite to win the Olympic men's 100 metres gold, sneaked through the first-round heats as a fastest loser on Saturday, pouring even more intrigue into Sunday's final.
The world braced up to a post-Bolt era but for India there was no momentous change as the country's athletes did nothing for the global audience to take note of.
Usain Bolt's Jamaican team mates complained that a 45-minute wait in the call room before the race had hampered their preparations.
Olympic sprint champion Usain Bolt is confident he can set a 200 metres world season's best at Oslo's Bislett Games on Thursday despite last week's defeat in the 100 in Rome.
It will be the end of an era for athletics on Saturday when Usain Bolt races for the last time in the men's 4x100 metres relay at the World Championships.
Usain Bolt won his third gold medal of the 14th IAAF World Championships on Sunday when he led Jamaica to the gold in the 4 x100 metres relay.
Usain Bolt is promising to let American sprinter Justin Gatlin "feel his full wrath" as he zones in on an unprecedented treble-treble of gold medals at the Rio de Janeiro Olympics.
World champion Dafne Schippers proved she will be the sprinter to beat over 200 metres at next year's Rio Games with victory over Olympic champion Allyson Felix at the Diamond League athletics finale in Brussels on Friday.
Olympic and world champion Usain Bolt outsprinted fellow Jamaican Nickel Ashmeade and American Justin Gatlin to win the 100 metres at the Zurich Diamond League meeting on Thursday.
Usain Bolt's 200 metres triumph at the IAAF World Athletics Championships in Beijing came at a price. The Jamaican took a tumble in bizarre accident, after he was knocked over by a photographer on Segway scooter.
Kerley, hoping to be the first American winner since Justin Gatlin in 2004, ran brilliantly for second, with De Grasse finishing fast in another lifetime best.