HR/TP Zone Disparity

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  • #18296
    Pog
    Participant

    Can someone help me interpret this please? My flat Foundation Run is run av. 8:40/mile with av. HR of 150 or so – right in the middle of Zone 2, but PACE towards top end of Zone X (03:49:55 = recent marathon time). Am I overtraining or not? Shall I run my Foundation Runs at HR Zone 2 or drop pace to run them in TP Zone 2? What is this disparity telling me? Many thanks.

    #18318
    David Warden
    Keymaster

    Pog, thanks for using our plans. I hope this section from our guide Getting Started with 80/20 Training https://www.8020endurance.com/getting-started-with-80-20-training/ addresses this for you:

    Q: My pace (or power) and heart rate zones don’t line up. For example, when I’m in Zone 2 for pace I’m in Zone X for heart rate.

    A: This issue is usually resolved by ensuring that you use one field test to capture the threshold of multiple intensity types as outlined in the documents Intensity Guidelines for Running or Intensity Guidelines for Triathlon. By measuring Pace, Power, and/or HR in a single test, the three intensity types may align. However, due to the inconsistent nature of heart rate, it is normal for a given output to result in a different heart rate on a subsequent day. This is a normal phenomenon when using heart rate.

    David

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