Whether you call it tempo running or anaerobic, lactate or ventilatory threshold training doesn’t matter. Threshold training works, and adding it to your schedule is sure to make you faster and more efficient in endurance races.Threshold training

We've already highlighted the difficulties of trying to establish your maximal heart rate. Now you’ve mastered that, here’s another problem: once you’ve found your true maximum, how do you know exactly what heart rates you should be training at? We often see round figures quoted ...

you should especially bear in mind if you're cross-training after an injury. Even if you're not injured, repeatedly overworking your muscles will at the very least cause lactate to accumulate and diminish your aerobic capacity. While it's important