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
courses would be like allowing world records on short tracks. The problem is, running a net downhill course isn't necessarily so simple. Boston's course may be downhill, but it's also more challenging than any flat marathon, and it produces a uniquely