New York is one of 21 marathons supporting the Summit.
Marathon runners say that a healthy diet is essential to lead a productive life.
FAO estimates that one in seven people in the world go hungry every day. That's more than 800 million people, or the number of people in the United States and Europe. At least a quarter of those are believed to be small children, robbed of a productive future because of an insufficient and often poor quality diet. Grain reserves are declining and staple foods cost more, pushing many people deeper into poverty. Over the next thirty years, global population is expected to rise by 3 billion.