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 ...

If you're an endurance athlete, your lactate threshold can be an incredibly useful training tool – but what exactly is it, and how can you measure and use it? Lactate is created when muscle tissue ...

If you’ve read even a small amount of running research, you’ll likely have come across the term ‘lactate threshold’. But what does it actually mean? In essence, your lactate threshold is the point at ...

Besides sore quads and chafe marks, most new runners have one thing in common: confusion over the term “lactate threshold pace.” It pops up in training plans next to “easy effort” (self-explanatory) ...

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 ...

Runners throw around the term “tempo run” like confetti. It’s confusing, even for well seasoned athletes, because it’s not a cut-and-dried definition like a lactate threshold workout. Frequently, ...