Usain Bolt still hungry for success

Usain Bolt says the challenge of the younger sprinters is what keeps him motivated, despite having achieved "everything I've wanted to do".

The Jamaican sprinter is hotly tipped to take his fourth Male Athlete of the Year award after successfully retaining his 100m and 200m titles at London 2012.

Speaking ahead of the annual IAAF Awards in Barcelona, Bolt also reveals the two people he looks up to in his life are NBA Star Kevin Garnett and his own father.

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