Ross Edgley, the athlete, adventurer, and author, with a decade-long career in sport, fitness and nutrition. He has just spent the last 157 days to become the first swimmer, to circumnavigate the whole of Great Britain, 1,791 miles, nearly 3000 kilometers, without touching land. Swimming for up to 12 hours a day, and consuming up to 15,000 calories per day. Previously he set world records climbing the height of Mount Everest up a rope continuously over 24 hours (I was there), and running a marathon pulling a 1. 4-tonne car.