Jack Middleton is an Irish endurance athlete currently 14 weeks out from Marathon Des Sables, a 250km ultra marathon through the Sahara Desert over the course of 6 days. We discuss Jacks road to competing in such a grueling event, his training and the mental toughness built through endurance training. Check out his new instagram page where he'l be documenting his journey, training etc. @officialjackmiddleton