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heartbeat sensor spiking at beginning of runs!?!?

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‎08-10-2020 13:17

‎08-10-2020 13:17

I am experiencing my Fitbit showing my heart rate spike up at the beginning of my runs (3-5 miles) recently. It claimed my HB went up to 200! today when I was doing a low effort 3-mile run. It does seem to eventually get a more accurate reading. Usually in 155 range. Has anyone else experienced this? Any suggestions to prevent this? Thanks for the help.

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