Race Walking

Race walking is a serious sport for serious athletes. It is distinguished from running by keeping one foot on the ground at all times. Fastidious form is paramount, and it's helpful for everyone to learn how to do it as they age. Marcus Smith wonders if it's a sport he should take up. Guests: Jeff Salvage, race-walking coach, founder, racewalk.com, and former international competitor; Miranda Melville, Olympian race walker