Every year, roughly 2 million people participate in marathons and half marathons in the United States, and, no matter what level they are, every one of these runners has likely hit “The Wall,” running out of muscle fuel in the final miles and slowing down precipitously. In The New Rules, renowned fitness journalist and training coach Matt Fitzgerald cuts through the myths, distilling the most up-to date science to help runners overcome the universally experienced nutritional barriers that prevent success in the marathon and half marathon.

This revolutionary training method has been embraced by elite runners - with extraordinary results - and now you can do it, too. Respected running and fitness expert Matt Fitzgerald explains how the 80/20 running program - in which you do 80 percent of runs at a lower intensity and just 20 percent at a higher intensity - is the best change runners of all abilities can make to improve their performance.

In 80/20 Running, respected running and fitness expert Matt Fitzgerald introduced his revolutionary training program and explained why doing 80 percent of runs at a lower intensity and just 20 percent at a higher intensity is the best way for runners at all levels - as well as cyclists, triathletes, and even weight-loss seekers - to improve their performance. Now, in this eye-opening follow-up, Fitzgerald teams with Olympic coach Ben Rosario to expand and update the 80/20 program to include ultramarathon training and such popular developments as the use of power meters.

Sports Nutritionist Matt Fitzgerald has spent nearly twenty years studying the diets of top professional endurance athletes, who are among the fittest and healthiest people in the world. As a result, he has identified five core habits that are essential to maximizing workout benefits. The Endurance Diet shares key strategies for optimal health and performance: eat everything, eat quality, eat carbohydrate, eat enough, and eat individually. Whether you want to lose weight, win a race, or look a little more like an elite athlete, this plan is for you.

Long distance running is much like any other fitness training. If you want to improve, you need a good plan that has a progressive nature. If you are new to this game, you need a solid foundation to build on. Having a running program is not the only thing that you need. Sound advice and running tips should be taken from someone who has "walked the walk", or in this case, "ran the run".