Training for an Ironman presents numerous challenges on its own. Training for the Ironman World Championships while in space is even more difficult! But for astronaut and International Space Station Commander, Luca Parmitano, it's a challenge that he embraced and conquered. Join us for an 'out of this world' episode as Luca and his coach, John Mayfield, discuss training in a zero gravity environment. Listen in as Luca makes comparisons between preparation for space and triathlon training.