Amby Burfoot is Executive Editor of Runner's World USA, and the 1968 Boston Marathon winner Imagine that there was an exercise programme that could guarantee to get you in shape with only three identical 30-minute exercise sessions per week. I

University in New York.Since his book Daniels’ Running Formula was published in 1998, many high school and college coaches have adopted the Daniels approach. I believe the general upswing in American distance running success over the last decade is partly a

, it follows that many of the best marathon times should have been run there.Nope. There has been only one men's world-best time at Boston, and that was back in 1947, when Yun Bok Suh of Korea ran 2:25:39. Two women have set world bests at Boston. Liane Winter