Bolt eyes world record domination

Jamaican sprinter Usain Bolt believes he can significantly lower his world records for the 100m and 200m.

Bolt clocked 9.69 seconds in the 100m in Beijing and then broke Michael Johnson's world record of 19.32 in the 200m final by lowering it to 19.30.

Asked how fast he thought he could run 100m, Bolt said: "Perhaps 9.52 seconds, but I must make progress in different areas, especially at the start."

Bolt's coach Glenn Mills is hopeful he can go under 19 seconds in the 200m.

"I believe, based on what he did in Beijing, given similar conditions, if he runs the 200m at a time when he is fresh, we are hoping that we can get under the 19 seconds barrier," Mills said.

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"We are also hoping to take the 100m to somewhere where it will stay for a good while."

In winning the 100m, Bolt significantly slowed down as he approached the finishing line and Norwegian physicist Hans Eriksen has estimated the Jamaican could have run 9.55 seconds if he had finished at full pace.

Last week in the Journal of Experimental Biology, Stanford University biology professor Mark Denny concluded male sprinters could get the 100m record down to 9.48 and the 200m down to 18.63.

As well as his 100m and 200m wins in Beijing, the 22-year-old Bolt led Jamaica's 4x100m sprint relay to Olympic victory in a record time of 37.10.

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