In this first episode of SX, Coach Bala talks to Ultra Maraton runner Sonia Ahuja on her recently completed Bad Water Ultra Marathon. Billed as the 'Toughest On Foot Race' in the world, Bad Water Ultra is a tough race that demands a LOT from the participants. Sonia is nothing short of a world class athlete, a legend in her own right. Listen to this to get an in depth view into this journey.