Over the past few years, Jonny Davies has amassed a huge online following by documenting his running and setting himself a series of increasingly difficult running challenges. His latest, Run the Capitals, saw him run to the capitals of the UK and Ireland – a distance of 960km that he completed in just over 11 days. Here him talk about his training, injury-prevention routine and what motivates him to keep testing his limits. Learn more about your ad choices. Visit megaphone.fm/adchoices