Running Until You're 100 by running coach, Jeff Galloway, is the must-have guide that will keep runners fit as they age and help them run for life! In this book Jeff offers step-by-step programs for runners in their 40s, 50s, 60s, and 70s. The programs all use his proven Run Walk Run® method and are designed to help the mature runner make the adjustments needed each decade so that they can enjoy exercise and enhance quality of life without injury. After developing his own Run Walk Run® met...