I am living in Norway, where I am under the care of the best cancer doctor in Norway and I can be closer to my family.

For every finish-line tape a runner breaks -- complete with the cheers of the crowd and the clicking of hundreds of cameras -- there are the hours of hard and often lonely work that rarely gets talked about.

If you are training properly, you should progress steadily. This doesn't necessarily mean a personal best every time you race ... Each training session should be like putting money in the bank. If your training works, you continue to deposit into your 'strength' account ... Too much training has the opposite effect. Rather than build, it tears down. Your body will tell when you have begun to tip the balance. Just be sure to listen to it.

I tried to keep it secret, but the story got into the newspapers. It was more difficult for my family, who couldn't understand why the media wouldn't leave me in peace.

Spend at least some of your training time, and other parts of your day, concentrating on what you are doing in training and visualizing your success.

One day you are happy and laughing and the next you are crying.

Everyone wins the marathon. We all have the same feeling at the start-nervous, anxious, excited. It is a broader, richer, and even with twenty-seven thousand people-more intimate experience than I found when racing in track. New York is the marathon that all the biggest stars want to win, but has also been the stage for an array of human stories more vast than any other sporting event.