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Usain Bolt crossed the finish line, saw his record-setting time on the clock and spread his arms as if he were soaring like a bird.

The Jamaican shattered the world record again Sunday, running 100m in 9.58 seconds at the world championships, turning his much-anticipated race against Tyson Gay into a one-man show.

That was 0.11 seconds faster than the mark he set last year at the Beijing Olympics - the biggest improvement in the 100m record since electronic timing began in 1968.

Gay, his closest rival, broke the American mark with his 9.71 performance and still looked like he was jogging - finishing a few big strides behind Bolt in second place.

Bolt's only competition these days is the clock.

And when he's really trying, even time itself doesn't stand a chance.

"I don't run for world records," said Bolt, who crossed the line with a slight breeze at his back.

Yet those records always seem to find him.

He thinks he can go even lower. "I know I said 9.4," Bolt said, grinning. "You never know. I'll just keep on working."

Last year in Beijing, Bolt shut his race down early, waving his arms and celebrating about 10 meters before he got to the line. Some, like president Jacques Rogge of the International Olympic Committee, viewed it as a sign of bad sportsmanship. Most saw it as a welcome sign of relief for a sport that needed some good news after years of doping and scandal.

Even this week, the Jamaican track team was making headlines for the wrong reasons - a complicated doping case.

Bolt made everyone forget about that and showed, once again, what a great sport track can be when the focus is on the track, not doping control and the meeting rooms.

Bolt ran his latest unforgettable race at Olympic Stadium in Berlin. It’s the history-filled home of the 1936 Olympics where Jesse Owens became the world's biggest track star. Bolt has set the 100 world record three times. He also owns the 200m record thanks to the 19.30 he ran in Beijing to break Michael Johnson's 12-year-old mark.

Now he has added the world championship, last won by Gay in 2007, to his Olympic title.

（英语点津 Helen 编辑）

About the broadcaster:

Nancy Matos is a foreign expert at China Daily Website. Born and raised in Vancouver, Canada, Nancy is a graduate of the Broadcast Journalism and Media program at the British Columbia Institute of Technology. Her journalism career in broadcast and print has taken her around the world from New York to Portugal and now Beijing. Nancy is happy to make the move to China and join the China Daily team.