How does Usain Bolt run so fast?

Usain Bolt

How does Usain Bolt run so fast?

bbc.co.uk - David Rhodes

Usain Bolt showed his dominance of men's sprinting at the athletics World Championship in Beijing this week with wins in the 100m and 200m. What's his secret? Is the way to win at sprinting to move your legs faster than your rivals do?

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