During intense or prolonged exercise, muscles can feel like they’re burning the longer and harder someone pushes. This occurs because the muscles produce energy as quickly as possible by dipping into ...

Lactate threshold workouts are one of the most important parts of a distance-running training plan. Putting your body through this type of exercise will help you run faster and run longer. “Lactate ...

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 ...

This is Your Quick Training Tip, a chance to learn how to work smarter in just a few moments so you can get right to your workout. UNLESS YOU'VE BEEN living under a weight rack for the past decade, ...

When runners talk physiology, two terms tend to dominate the conversation: VO2 max and lactate threshold. Although the two metrics are related, they are not the same – and they shape performance in ...

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 ...

In the last couple of Pez Toolbox articles, I have discussed the concept of Heart Rate Variability during rest, and how it can be applied to guide your training program – identifying when you are ...

We often discuss concepts like the aerobic threshold, the anaerobic threshold, the lactate threshold, etc. But have you heard of the Glycogen Threshold? To put it simply, low carbs availability in ...