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He became the youngest person to ever win the 200 m at event and also set national junior records in the 4 x 100 m abd 4 x 400 m relays.
Usain signed his first professional contract immediately after he graduated from high school at the age of 17.
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Usain's professional career got off to a rocky start as he was left off of Jamaica's roster for the 2003 World Track and Field Championships because team officials felt he was not ready to compete at that level.