One of the best measures of running fitness is lactate threshold (LT), which is the running speed or heart rate at which lactate — an intermediate product of aerobic metabolism in the muscles — begins ...

Swimmers often encounter lactate sets throughout their training, yet several misconceptions exist about the body’s production of lactic acid and experiences of fatigue. Let’s start off with getting ...

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 ...

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, ...

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) ...