We sat down with HYROX master coach Tiago Lousa to break down the real method to race-day speed, the mistakes holding athletes back and the fixes that make you faster without blowing up. Whether ...

Jakob Ingebrigtsen winning gold in the 1500 at the Tokyo Olympics. One aspect of this regimen is regular blood-lactate testing (yup, with a needle) and running intervals at an intensity low enough to ...

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 ...

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 ...

Polarized training is no longer a secret tip among elite runners; it has established itself as the most effective training ...

‘Comfortably hard’ sounds a bit like a contradiction in terms, yet that’s the feeling you’re looking for when you start thinking about thresholds. It’s helpful for runners to know where their lactate ...