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 ...

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. In order to make ...

The pace you can run at lactate threshold is one of the most important factors in successful long-distance race performance. It’s the hardest pace you can hold for about an hour, or the fastest you ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman running on treadmill during fitness test being conducted by sports scientist If you're an endurance athlete, your lactate ...

Spoiler alert: I really like running. I've run eight marathons in my time and have Berlin Marathon in the calendar for September - it's my form of escapism, my way of unwinding after a busy day, and ...