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how much higher are those HRs than normal for those rides? I'm no racer but after a bad cold, my HR was easily 10-20 beats higher than normal. Plus could you be a bit dehyrated for any reason, such as taking meds?
Did you try any other HR monitors and get high HRs on them too? If not, can you try another monitor? Just want to rule out your Garmin as the source of the problem.
Last edited by slowgoing; 05-04-2012 at 04:06 PM.
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