The workouts in disc 5 pull together all the work youve done so far the interval intensities return to steadystate and tempo levels but keep the total workload high with longer efforts and the whole progressive power series ends with another shot at the cts field test so you can measure and clearly see how much progress youve madenothing makes you faster on a bike then increasing your overall power carmichael training systems progressive power dvds are designed to do just that use them i