Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the top heart ...

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This bicep-based monitor tracks heart rate within a beat or two—making it a strong option for runners who hate chest straps.

This bicep-based monitor tracks heart rate within a beat or two—making it a strong option for runners who hate chest straps.

Tracking your heart rate with a heart rate monitor (HRM) during your runs is one of the most powerful ways to optimize your training, whether you're a dedicated marathoner, power triathlete, or just ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. July 9, 2025 Add as a ...

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Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the top heart rate monitors we've tested. I'm PCMag's managing editor for consumer ...