We entered into the rarified air of the Altitude Centre in London to talk to lead performance specialist James Barber about altitude training and why it's not just for those who want to run up mountains (but it does help with that too) and heat adaptation and why that's relevant to racing in the UK as well as abroad. Then Ben spoke to Montane adventurer and ultrarunner Katy Parrott about her experience of racing very far, her training, recovering from anemia and being sick at the finish line of Race for Life. Learn more about your ad choices. Visit megaphone.fm/adchoices