Runner's World The Runner's Diet Author:Madelyn H. Fernstrom Runner's world, the runner's diet : the ultimate eating plan that will make every runner leaner, faster, and fitter. The Runner's World Runner's Diet describes the ultimate eating plan for runners or walkers, who want to get to and maintain a leaner, faster, and fitter form. This book is from author and PhD healt... more »h expert Madelyn Fernstrom at Runner's World Magazine. This book takes a look at the kind of carbs, fats and proteins that runners should eat and the author discusses a ratio that she believe is best for runners in order to maintain their weight over a long period of 50% carb, 25% fat and 25% protein. In this book, Dr. Fernstrom details a realistic program, individualized for each person's activity level, that will enable them to maximize their performance while maintaining long-term, successful weight control.« less