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 ...

Threshold work is one of the cornerstones of training for runners who are tackling distances from 800m to ultras. Your lactate threshold is the point at which lactate is produced and accumulates in ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. One of the best ...

A wearable device appears to be just as good at measuring lactate thresholds for endurance runners as older, more complicated methods, according to a new study. The lactate threshold is when the blood ...

Conventional wisdom has long held that lactic acid is a metabolic scourge, bringing hard exercise stints to a screeching halt and causing next-day soreness. Recent research shows how wrong that rap is ...

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 ...

Whether they're training or taking part in actual competitions, athletes have to maintain a delicate balance – they want to make sure that they're "giving it everything they've got," yet they don't ...

Choosing your pace based on the physiological transition from easy to hard is more effective than calculations based on ...