Running Glossary

Lactate Threshold

Running Glossary

Lactate Threshold

Running Glossary

Lactate Threshold

Lactate Threshold

[lak-teyt thresh-hold]

Phonetic (Standard)

/ˈlæk.teɪt ˈθrɛʃ.hoʊld/

IPA

Noun

The exercise intensity at which lactate begins to accumulate in the bloodstream faster than it can be removed, indicating a shift to anaerobic metabolism.

Lactate Threshold is the exercise intensity at which lactate starts to accumulate in the blood faster than it can be removed. It indicates the transition from aerobic to anaerobic metabolism. Training at or just below this threshold improves endurance and delays fatigue. For runners, it helps in maintaining a faster pace for longer periods. Elite marathoners often have a high lactate threshold, allowing them to sustain speeds close to their VO2 Max. Real-world examples include tempo runs and threshold workouts designed to push this boundary, enhancing performance in races.

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