bbCutting-edge advice on how to achieve your personal best, for everyone from casual runners to ultramarathoners.bb pIn i8020 Runningi, 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. pNow, in this eye-opening follow-up, Fitzgerald teams with Olympic coach Ben Rosario to expand and update the 8020 program to include ultramarathon training and such popular developments as the use of power meters. pNew research has bolstered the case that the 8020 method is in fact that most effective way to train for distance running and other endurance sports. iRun Like a Pro Even If You're Slowi shows readers how to take the best practices in elite running and adopt them within the limits of their own ability, li