I try to think about positive things - how great my form is, how my arms are swinging, my breathing, how loud people are cheering. My sports psychologist taught me there are a million things telling you you can't keep going, but if you find the things that say you can, you're golden.

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There are a million reasons why you can't. Focus on the few reasons why you can.

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The journey isn't always perfect, but always worth taking.

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Do the work. Do the analysis. But feel your run. Feel your race. Feel the joy that is running.

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Running has always been a relief and a sanctuary—something that makes me feel good, both physically and mentally. For me it's not so much about the health benefits. Those are great, but I believe that the best thing about running is the joy it brings to life.

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Don't be ashamed or embarrassed to dream big. You're living your life with hope, that's a powerful thing.

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Racing is the fun part; it's the reward of all the hard work.

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Progress is rarely a straight line. There are always bumps in the road, but you can make the choice to keep looking ahead.

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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.

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I have a power word that I use-when I qualified for the Olympics in 2008, it was fighter. That way when I'm in the race and I get to those dark moments, I can think of the word and it evokes that emotion for me.

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