In terms of differences, if you think about VO2 max as the size of your engine, lactate threshold is the size of the gears in ...

Have you ever listened to one piece of advice that stuck with you so much it changed the way you experience and analyze your running? It’s a powerful thing. That’s what happened when I learned a ...

Runner on the left only trains with steady state training. Runner on the right trains using high intensity interval training. The difference in body type is amazing. 20 minutes of work equals 40 ...