Why are Kenyans the best distance runners?

Why are Kenyans the best distance runners? Subscribe to the Guardian HERE: http://bitly.com/UvkFpD Kenyan long-distance runners are arguably the best in the world. Is it the diet, the lifestyle - or anything to do with running barefoot to school? Elite marathon runner and Kenyan athlete manager Tom Payn and up-and-coming Kenyan athlete Boniface Kiprop Kongin tell Adharanand Finn, author of Running with the Kenyans, why their country has produced so many great runnersClick here for more information on Running with the Kenyans at Guardian bookshop