Performing a Guided Test to Determine Your Lactate Threshold

Before you can perform the guided test, you must put on a heart rate monitor and pair it with your device (Pairing ANT‍+ Sensors). You must also have a VO2 max. estimate from a previous run (About VO2 Max. Estimates).

TIP: The device requires a few runs with a heart rate monitor to get an accurate maximum heart rate value and VO2 max. estimate.
  1. Select an outdoor running profile.

    GPS is required to complete the test.

  2. Select Menu symbol > My Stats > Lactate Threshold > Do Guided Test.
  3. Follow the on-screen instructions.

    Lactate threshold data
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