Bolt: 200m record easier to beat.

ATHLETICS USAIN BOLT believes his 100 metres world record will be more difficult to improve upon than his 200m time.

The Jamaican superstar produced dazzling displays when lowering both his previous records set at last summer's Olympic Games at the World Championships in Berlin last month.

The 23-year-old took both events into a new era when posting the first times under 9.6 seconds and 19.2secs respectively, running 9.58 in the 100m and 19.19 in the 200.

Speaking ahead of tonight's IAAF Golden League meeting in Brussels, Bolt said: "I think the 100m is a lot harder because you have to get everything right correctly and if you make just one mistake that's how a lot of people lose races.

"In the 200m it is easier.

If you make a mistake then you can go quicker in the second half (of the race)."

Bolt set the first of his three 100m records of 9.72 in New York in May last year and then reduced it to 9.69 at the Beijing Games, but believes for the moment running under nine seconds would be unthinkable.

But he did not rule out taking the 200m to a new milestone mark under 19 seconds after his astonishing World Championships display.

"I've heard some people say this, I don't know," Bolt said. "I don't set myself limits, I just go out there and do my best, stay focused and run hard.

"I was a bit surprised with the time of the world record I got in Berlin.

"If you run hard enough and train hard enough, you will definitely get faster times."

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Jamaican sensation Usain Bolt