. Then do the one-minute walk. Repeat this eight times, and you’ve come reasonably close to the 8 x 400m interval torture that my college coach loved to inflict on us.On the topic of intervalsExercise physiologist Jack Daniels recently had two groups
-6 x 800m, or 8-12 x 400m at your VO2max pace. Take a two- to three-minute jog recovery between each repetition.The idea behind this kind of interval training is that you can safely go up to or beyond your maximum capacity of 11 minutes of VO2max
