69sec.
The precocious 21-year-old will now run in his favoured event, the 200m, with even more confidence.
"I was trying to see if I could take all the rounds," Bolt said after his 100m triumph.
"I've shown I can take it so I'm going to run the 200m.
"I'm not really worried about world records," he added.
"I'm just coming here to win. That's the aim for me."
Over the longer sprint, Bolt is unbeaten and possesses the three fastest times in the world this year.
His 19.67sec time in Athens propelled him to fifth on the all-time lists and his victories in London (19.
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76) and Ostrava (19.83) were similarly impressive.
In those runs and as was clear in his 100m performance at the Beijing Games, Bolt seems to hold some in reserve, which also raises the prospect of him being a real challenge to American Michael Johnson's world rec