Watching the world's best compete fires you up to achieve your own feats of greatness. When it comes to running, participation and spectating go hand in hand.

I don't feel like myself unless I run. It's how I deal with sadness and happiness. I need it. It's like therapy.

Erase from your mind that your preparation must be perfect. Hard work + dedication = a shot at your dreams. Keep believing.

Hill sprints are good for everyone!

Don't try to rush progress. Remember -- a step forward, no matter how small, is a step in the right direction. Keep believing.

Don't ever discourage someone from trying to better their life and health

One skill that separates good from almost-good runners is an ability to concentrate for an entire race, whether it is a mile or a marathon.