Sometimes,' she said, 'it takes a woman to bring out the best in a man.

He was onto something. Something huge. It wasn't just how to run; it was how to live, the essence of who we are as a species and what we're meant to be.

Running is the heart of what it means to be human.

For nearly 2 million years, our ancestors survived and thrived and spread across the planet because they could run other mammals into heat exhaustion.

Were designed for persistence hunting, which is a mix of running and walking. Whats built into that kind of running is a sense of pleasure. You are designed and built and perfect for this activity, and it should be enjoyable and fun.

The reason we race isn't so much to beat each other... but to be with each other.

Blaming the running injury epidemic on big, bad Nike seems too easy - but that's okay, because it's largely their fault.