Allyson Felix's killer speed wins the 200

LONDON -- There are moments in track and field, and Olympic, history that take your breath away. In the years to come, when they show Allyson Felix's powerful charge down the straightaway to win the women's 200 meters, it will be no less breathtaking than it was in person here Wednesday night.

What you saw here was speed. Killer speed. Awesome speed, and the force of will, and eight years of waiting to claim the gold medal in the 200, the race she has always called her baby.

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