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Bolt eyes 400m WR

World record-holder over 100 and 200 metres, Usain Bolt says that he is tempted to have a go at the nine-year-old 400 metres record held by Michael Johnson.

"Everyone wants to do it. There are no major championships in 2010 so I could go for the 400m record that year," the Jamaican told BBC's Inside Sport

"The training for 400m is so much harder but I'm thinking about it," he added

Bolt on Sunday was named as the BBC Overseas Sports Personality of the Year after his dramatic wins in Beijing where he became Olympic champion over 100 and 200 metres.

In the latter, he shattered Johnson's 12-year-old world record with a time of 19.30 seconds.

Johnson sliced 0.11 seconds off the 400m world record to set a new mark of 43.18 at the World Championships in Seville in August, 1999.

Turning to his Olympic exploits Bolt said: "If you go out there worrying about if you are going to mess up, you mess up.

"There are better starters than me but I'm a strong finisher. I knew I had won the race at 75m, so that's when I started celebrating.

"I didn't care about the time. It was the first time anyone from my country had won the 100m."