Is Garmin Forerunner 55 Heart Rate Accurate? | HR Truth
The Forerunner 55 tracks steady effort well, with slip-ups most likely during hard intervals, loose wear, or high wrist motion. You buy a running watch for pace, distance, and that little number that tells you how hard you’re working. Heart rate is the tricky one. Wrist sensors can be spot-on in one workout and jumpy […]
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