Greatness is defined by someone who is not simply awesome and wonderful in the sport they compete in but goes beyond that and is great in whatever they do off the track or off the court.

As a child I was very involved with sports and I knew at age 9 that I wanted to be an Olympic champion.

I've never worked a day in my life. Don't get me wrong. I work at track. If you love what you do, it's not work.

I'm an Internet junkie.

But I don't believe in guilt by association.

My father wasn't really involved and my mom is the light in my life.

It's hard to have a bad hair day when you're famous.