"It means the world to me. It's a dream come true, that's why Icame here, to win the Olympic gold medal," said a jubilant Gatlin.

    Gatlin knew that the gold was his after crossing the line.

    "I had a great start and I had the ability to hold on from there. When I crossed the line, I knew for sure I was the winner.

    "It was a close race, but I felt that I was a hundred miles from everybody."