Garmin states these zones vary between 60% to 110% of your threshold heart rate. Garmin will calculate these figures for you when you create your account based on your age, gender, and resting and ...
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RUN | Powered by Outside on MSNThe Fastest Way to Get Faster? Start Caring About Lactate Threshold.Lactate threshold pace might sound advanced, but even beginners should care about this critical training metric.
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