Jamaican triple Olympic champion Usain Bolt will not emulate his world record performances of 2008 and 2009 at the London Games, former holder Maurice Greene has predicted.
''I am going to tell you right now he can't do that,'' Greene told a news conference on a rest day at the US Olympic trials.
''This race in London is going to be a lot closer than a lot of people think. It's going to be a very exciting race.''
Bolt set world records in the 100 and 200 metres and 4x100 metres relay during a thrilling show at the 2008 Beijing Olympics, then bettered both individual marks at the Berlin world championships in the following year.
''He hasn't shown to be in that type of shape that he was in 2008,'' said American Greene, the 2000 Olympic champion. ''He is having a lot of problems at the beginning part of his race that he still hasn't figured out.''
Greene said the problems occured between the start and 65 metres. For the last 35 metres Bolt's speed was top notch.
''You have to put together a race to withstand that cushion,'' Greene said. ''If you can do that, he can be beat.''
Greene said if Bolt demonstrated this weekend at the Jamaican Olympic trials he was back to his old self, London officials could reserve the 100 metres gold medal.
''There is nobody out there who can run with him if he is doing that,'' Greene said. ''But I don't think he is in that type of shape.''
He added, though, that last year's world championships when Bolt false-started and training partner Yohan Blake won the 100 metres title could fire up the lanky Jamaican.
''Usain is talking about his legacy,'' Greene said. ''He wants to prove that last year he should have won. And when a person feels like they have something to prove they're dangerous.''
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