Garmin is overhauling its lactate threshold feature so that users can get an estimate from runs using the optical sensor. Lactate threshold is the level of exertion in which lactate builds up in the ...

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 ...

The classic ‘FTP test’ has long been the gold standard method of determining the power a cyclist can sustain for one hour - their Functional Threshold Power (FTP) - which is then used to determine ...