Target heart rate
Target range
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Top picks compared
| Pick | Product | Best for | |
|---|---|---|---|
| Top pick | Suunto 9 Peak Pro Sports Watch | Calculates your target zones and alarms when you're out of range. Real-time biofeedback keeps you on target. | Check price → |
| Option | Apple Watch Ultra | Always-on display shows heart rate continuously. Tap to see if you're hitting your target zone right now. | Check price → |
| Option | Mio Velo Heart Rate Monitor | Optical sensor on your wrist—no chest strap needed. Shows target zones during spinning or cardio classes. | Check price → |
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Frequently asked questions
How do I measure my heart rate while running?
A chest-strap monitor is most accurate; wrist optical sensors are convenient but can lag during intervals and in cold weather.