DAEGU, South Korea — Usain Bolt will only need about 20 seconds to show the world he is lightning fast and not just a little jumpy.

The Jamaican sprinter said in a statement Monday that he was disappointed with his false start in the 100 meters, which disqualified him from the world championship final.

Bolt says he was "ready to run fast in the final" but that he is now ready to move on and "focus on running well in the 200 meters."

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