Usain Bolt remains the undisputed best at world championships – in pictures

Usain Bolt eases his stride after winning the men’s 100-metre final on Sunday at the World Championships in China’s Bird’s Nest National Stadium. Olivier Morin / AFP

Usain Bolt celebrates after winning gold in the men’s 100-metre final on Sunday at the World Championships in Beijing. Phil Noble / Reuters

Athletes (from left to right) Jimmy Vicaut of France, Su Bingtian of China, Trayvon Bromell of the US, Mike Rodgers of the US, Usain Bolt of Jamaica, Tyson Gay of the US, Justin Gatlin of the US, Asafa Powell of Jamaica and Andre De Grasse of Canada shown at the start of the men’s 100-metre final at the World Championships on Sunday. Pawel Kopczynski / Reuters

Usain Bolt celebrates with his coaches after winning the 100-metre world title on Sunday in Beijing. Lucy Nicholson / Reuters

Usain Bolt finishes ahead of American Justin Gatlin, far left, as well as Tyson Gay and Mike Rodgers, to Bolt’s left and right, on Sunday in the World Championships 100-metre final. Cameron Spencer / Getty Images

Usain Bolt in Lane 5 finishes just ahead of Justin Gatlin in Lane 7 on Sunday in the 100-metre final at the World Championships in Beijing. Ian Walton / Getty Images

Usain Bolt comes out of the blocks quickly at the start of the 100-metres final at the World Championships in Beijing on Sunday. Wu Hong / EPA

Usain Bolt and Justin Gatlin embrace after their race on Sunday in the men’s 100-metre final at the World Championships in Beijing, won by Bolt. Franck Robichon / EPA

Usain Bolt smiles as he finishes first in the 100-metre final on Sunday at the 2015 Athletics World Championships in Beijing. Patrick Smith / Getty Images

Images of Usain Bolt's 9.79-second winning run on Sunday in the men's 100-metre final at the 2015 Athletics World Championships at the Bird's Nest National Stadium in Beijing. Click the arrows below to scroll through the photos.

Follow us on Twitter @NatSportUAE