Older Yet Faster (OYF) is a manual for teaching runners how to transition to efficient running and help them avoid incurring almost all of the common running injuries as they do so. The book is ideal for beginners to learn how to run well, and for experienced runners to change over to good technique. Coaches can also use this book as a reference on how to implement technique change for their clients, and we expect it will become the go-to manual for medical and allied health professionals to help them deal with running-related injuries caused by incorrect technique and poor footwear choices. This book can also be a self-help guide for non-runners to heal common ailments holistically by following Heidi's treatment method. This fourth edition expands on the original work with updated content, including advanced strengthening exercises, rehabilitation strategies, and insights into the latest in running footwear. Whether you're a seasoned marathoner or a newcomer to the sport, *Older Yet Faster* offers a path to running smoother, faster, and injury-free. Discover the groundbreaking running technique guide by Keith Bateman and Heidi Jones, designed to help runners of all levels transition to efficient and injury-free running. In *Older Yet Faster*, readers will learn how to avoid common running-related injuries through Keith's comprehensive lessons on running form, coupled with Heidi's revolutionary foot strengthening and rehabilitation programs. Heidi details her holistic treatment method, which not only addresses running injuries but also corrects common body alignment issues. Readers will find her methods empowering as they regain confidence in their ability to heal themselves and improve their posture permanently. She has also included a section for podiatrists, where she applies the laws of physics to the feet, legs, and spine, shedding light on foot conditions that have long remained a mystery. Additionally, she critiques current podiatry teachings, highlights the negative effects of long-term orthotic use, and examines the problems with modern footwear, including school shoes. Podiatrists and other health professionals will find this engineering-based approach groundbreaking.