Author of the best-selling Nancy Clark¿s Sports Nutrition Guidebook, Nancy Clark, MS, RD, based in the Boston area, has been referred to as one of Americäs leading sports nutritionists. Clark¿s private practice is at Healthworks Fitness Center in Chestnut Hill, MA, where she counsels both casual exercisers and competitive athletes. As a registered dietitian with additional training in exercise physiology, Clark is board certified as a specialist in sports dietetics. She is a Fellow of both the American Dietetic Association and the American College of Sports Medicine. Nancy Clark wrote this book from her passion for teaching everyday champions how to use food to help them achieve their marathon goals. She combines her personal experiences and professional expertise to teach you how to eat well and enhance your energy. You¿ll learn what, when, and how to eat so you¿ll enjoy not only the process of training for the marathon but also participating in the marathon itself ¿ with energy to spare.