Been running nearly 40 years almost and always monitor heart rate etc, I know what HR I will hit at a given pace etc.
Been on 10mg twice a day of blockers for a week for a minor problem and it's hammered my runs.
I can run on feel and average 8 min pace easily at 130 bpm. Last 4 runs, similar feel and 30 secs per mile slower and can't get HR up to normal, reckon I will stop taking them. Resting HR normally under 40. Close to 9 min pace at times today, anybody else had similar problems?
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