Zone 4: The Threshold Zone

Welcome to the Threshold zone! Even if you don’t choose to train in the Z4 Threshold zone, it’s a place you’re no doubt familiar with, though maybe you are unfamiliar with its name. Here’s a hint: this is also known as the “shortness of breath” zone. Sound familiar? It’s the zone where you feel the…

Zone 3: The Aerobic Zone

The Aerobic zone gives you the most “bang for your buck.” Here you’ll get the most benefits in the least amount of time. If you said, “I want everything from exercise,” this is your zone. The Z3 Aerobic zone gets you fitter, gets you faster, gets you thinner. That’s why it’s been touted for decades…