There is... nothing greater than touching the shore after crossing some great body of water knowing that I've done it with my own two arms and legs.

I am willing to put myself through anything; temporary pain or discomfort means nothing to me as long as I can see that the experience will take me to a new level. I am interested in the unknown, and the only path to the unknown is through breaking barriers, an often-painful process.

The most venomous animal that lives in the ocean is the box jellyfish. And every one of those barbs is sending that venom into this central nervous system. So first I feel like boiling hot oil I've been dipped in. And I'm yelling out, 'Fire! Fire! Fire! Fire! Help me! Somebody help me!' And the next thing is paralysis.

But for each of us, isn't life about determining your own finish line?

It's been a grand, elevating, life-confirming experience these last two years.

Swimming is probably the ultimate of burnout sports. It's ironic because millions of people who swim as their regular exercise love the meditation aspect of it; you don't wind up with any orthopedic injuries. But when you swim at a world class level for hours and hours - the loneness of the long distance runner.