Jamaica - michael johnson, saint kitts and nevis, usain bolt 200m, christophe lemaitre, lemaitre

DAEGU, South Korea – In one whirlwind week, Usain Bolt turned the biggest disappointment of his career into another golden show capped with a world record that even he didn't think was within him.

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• http://www.usatoday.com/sports/olympics/story/2011-09-04/Usain-Bolt-Jamaica-set-relay-world-record-USA-women-win/50256674/1http://www.usatoday.com/sports/olympics/story/2011-09-04/Usain-Bolt-Jamaica-set-relay-world-record-USA-women-win/50256674/1http://www.usatoday.com/sports/olympics/story/2011-09-04/Usain-Bolt-Jamaica-set-relay-world-record-USA-women-win/50256674/1http://www.usatoday.com/sports/olympics/story/2011-09-04/Usain-Bolt-Jamaica-set-relay-world-record-USA-women-win/50256674/1http://www.usatoday.com/sports/olympics/story/2011-09-04/Usain-Bolt-Jamaica-set-relay-world-record-USA-women-win/50256674/1
• http://www.usatoday.com/sports/olympics/story/2011-09-04/Usain-Bolt-Jamaica-set-relay-world-record-USA-women-win/50256674/1
• By Kevin Frayer, AP
  Jamaica's Usain Bolt smiles with his gold medal won in the men's 4x100 relay final at the World Championships in Daegu, South Korea, on Sunday.

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By Kevin Frayer, AP

Jamaica's Usain Bolt smiles with his gold medal won in the men's 4x100 relay final at the World Championships in Daegu, South Korea, on Sunday.