Asker Jeukendrup (pronounced You-Can-Drop) is a 17 time Ironman finisher who works with two of the world’s greatest endurance athletes, Chrissie Wellington and Haile Gebrselassie. What is the best fuel on race day? How does someone going as fast as Haile actually get any type of nutrition into his body while running a sub 2:04 marathon? What makes the Ethiopians so amazing? Asker was a wealth of information and a great interview.