Some people have greatness thrust upon them. Very few have excellence thrust upon them.
I've really learned over the years how to control my adrenaline and let it all out when they shoot the gun versus letting the crowd and the lights and the camera get to me.
I've never met a genius. A genius to me is someone who does well at something he hates. Anybody can do well at something he loves - it's just a question of finding the subject.