Stretching is an extremely important part of running. Stretching keeps your muscles from cramping and reduces the possibility of injury. It helps to lengthen your muscles and improve your flexibility. In the end, it will improve and lengthen stride and increase your overall speed and stamina. Weight training, like stretching, can enhance your running by both improving your performance and reducing your chances of incurring injury. By increasing muscle mass you can improve abdominal, back, arm, and leg strength. This chapter examines how to incorporate both these valuable practices into your running routine.