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4 Accurate Options for Tracking Your Heart Rate

Runner’s World Logo By Molly Ritterbeck of Runner’s World | Slide 1 of 4: $89.95Shop NowThe latest version of the H7, which had the closest readings to an ECG, according to a 2019 study in Cardiovascular Diagnosis and Therapy.

Polar H10 Heart Rate Sensor

$89.95

Shop Now

The latest version of the H7, which had the closest readings to an ECG, according to a 2019 study in Cardiovascular Diagnosis and Therapy.

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