It's not what other people believe you can do; it's what you believe you can do.

It's not what other people believe you can do, it's what you believe.

Looking back, I'm so proud to have gone to five Olympics - I believe only three other Americans have achieved that.

I didn't get nervous when I ran, but I get nervous watching other people now. I root for anybody with a USA on their chest.

Looking back, I'm so proud to have gone to five Olympics - I believe only three other Americans have achieved that. My true gold medal, though, is my daughter, Karsen, who is 18 months old. And I have a wonderful husband, Mike.

In my race, there's 10 hurdles, but in life, there is always a hurdle. There is always something you gotta get over, and it's what you do, you know.