Tempo Training, Heart Rate Zones 4 & 5

Ready to increase your speed? Here's your guide to tempo training and the heart rate zones to focus your workouts on.

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Does anyone know why/how this was recorded as a tempo run? : r/Garmin

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Tempo Training, Heart Rate Zones 4 & 5

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Does anyone know why/how this was recorded as a tempo run? : r/Garmin

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