The success of the upcoming season depends on the extent to whichyou can build your foundation of aerobic fitness, or your "base," for the road ahead. After identifying a cyclist strenghts and limiters, it is time to sacrifice the volume of training and the percieved level of fitness in order to increase intensityand broaden the aerobic base. This builds a bigger engineand the cyclist is then able to work back up to the higher volumesand an overall improved level of fitness. A stronger base makes a stronger, faster cyclist.