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These 2 walks covered identical routes and the times were within a minute so the pace was similar and under 14 min/mile. I'm not aware that the Fitbit was moving on my wrist during the 2nd walk and I always wear it in the same spot at the same tightness. I never stopped during the 2nd walk where the heartrate graph is so erratic. I'm not concerned about it, just thought it was an interesting anomaly. There's no way my heartrate dropped into the 70s eight times.
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