I've been training super hard at the Lopez Taekwondo Academy in Houston, which belongs to my brother Jean. For me, I think confidence is the biggest thing; it's all mental. I train with the best of the best, including my brother Steven, a five-time world champion who won Olympic gold medals.

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I wouldn't say that there's ever been an Olympic champion that didn't deserve to win an Olympic Gold Medal.

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I have won all the medals that I can win over the 20 years, except for an Olympic gold. I won't miss the chance this time.

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The Olympics is a special event and winning is very important. For me as a world record holder and world champion, the only thing I am missing is the Olympic gold medal and that is what I want to achieve in my career.

— David Rudisha

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It took me time to realize that the men who won Olympic gold medals in the decathlon are just men, just like me.

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I want to be an Olympic champion.

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