In this podcast InnerFight founder Marcus Smith shares his story as he completes the 2015 Marathon Des Sables, "The Toughest Footrace on Earth"
- Why would you run 250km through the desert?
- Anyone can run an ultra physically but can your mind cope with it?
- How to attack a 92km stage when you have 103km already in the legs?
- 4 things I learnt in the Sahara.