Howard Thurman

I was badly bullied when I was in the seventh grade - relentlessly, mercilessly - by a group of 12-year-old girls. And it left me with a determination that no matter what, I had to throw my shoulders back, stick out my chin, and project a sense that no one and nothing could hurt me. That turned out to be a life-changing mistake.

The closer I get to retirement, the more I feel it will be a huge change, a shock, because athletics has been the core of my whole life. I know I'll miss the feeling of running fast, the adrenaline rush, and hearing the crowd cheering me on.