Running heart rate zones have lowered significantly

Technical Support
3

Hey,

this may be:

  1. a bug
  2. you didn’t use your chest strap on a training run and there’s garbage data in your system. Can you think of a time you didn’t use your chest strap? If so, go to that data and delete the fit file and enter the data manually (time, kms/miles).
    If option 1. Please report in the bug reports.

Hope this helps
MJ

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