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Best Heart Rate Monitors for Accurate Training Data
Runner's World named the Polar H10 best overall heart rate monitor, citing ECG accuracy, a soft non-slip strap, 30-meter waterproofing, dual Bluetooth, and onboard memory. Other picks include the PowrLabs HRM for value, Whoop 5.0 for metrics, Garmin HRM Fit for women, Oura Ring 5, and Apple Watch Series 10. Exercise physiologist Alyssa Lombardi cautioned that heart rate varies with heat, hydration, location, and medications, so athletes should not follow it absolutely.
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