Sunday, January 1, 2012

How can i become a faster 100 and 200 sprinter?

Im a 14 year old girl, i run around 13.50-100 and 29- 200.


i want to know how i can get in shape fast and then become a faster sprinter. thanks!|||If I were you I'd do power jumping jacks, they really improved my conditioning. Best of luck

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