We tested the best heart rate monitors so you can focus on the miles, not the math.

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running: Simply don the device (watch, monitor, or other wearable), start your ...

HRS 2026 data shows 48-hour monitoring misses 26% of post-ablation AF recurrence and 60% of pregnancy arrhythmias, supporting ...