From the gym to the trails, join Kris Gethin on his journey to complete an IRONMAN. As a widely followed personal trainer and professional bodybuilder, Kris undoubtedly knows his way around the weight room. But as more of his peers became involved in endurance races, Kris became intrigued by the possibility of a new mental and physical challenge--did he have what it took to grind out an IRONMAN, without sacrificing his muscle...