Running every day for 45 years (Mark Covert) Winning the Badwater Ultramarathon twice (Pam Reed) Running 50 marathons in 50 states in 50 days (Dean Karnazes) Setting four world records for most marathons in a calendar year (Larry Macon) Finishing the Badwater Ultramarathon with a prosthetic leg (Amy Winters-Palmiero) These are just some of the incredible and inspiring achievements of the endurance athletes profiled in this book. Each one of them has pushed the limits of human endurance and is an inspiration for people around the world. Their achievements are profiled in individual chapters, each introduced by prominent ultrarunners and friends. In addition to the most prolific endurance athletes in the world today, one section is dedicated to the 'Father of American Ultrarunning,' Ted Corbitt. Including a foreword by his son, Gary Corbitt, and a special section on his life and achievements, the book serves to preserve his legacy. Whether you are an ultrarunner yourself or a casual runner, a fan, a historian, or a scholar, this book and the incredible people and their stories in it will inspire you and ignite your passion for living life to the fullest. Above all, this 'Who's Who' of ultrarunning proves one thing: The impossible is possible!