Running is an effort to escape from comfort zone.

You can alter mood by running.

NYU was my comfort zone.

There is a whole new breed of marathoner who wouldn't even have considered running something like a marathon. In the past, people ran if they were exercise junkies. The marathon held the ultimate challenge for them.

To me, running a marathon is one of the ultimate challenges in sport. And for her to do it that many times, wow, she is a strong person. She knows her body, and she knows what she is capable of doing.

The only thing that is stopping you from where you are to where you want to go is your comfort zone.