Does your training plan have seven heart rate zones that are driving you nuts? Are you completely confused about whether you're in the superthreshold or the subthreshold or something completely different? Or do you simply feel like your current heart rate zone system isn't working for you? If so, you need this episode! I'm going to bust through all the heart rate zone bullshit and make this super simple for you. And better yet, you can use my system at altitude, without an app or a heart rate monitor, and with any sport.
