Yes. The Polar H10 can be used to track your heart rate during swimming workouts. It is waterproof up to 30 meters, and it is safe to wear in the shower or pool. You can record one training session via the built-in memory directly on the device, or you can pair the sensor with a compatible watch that has a 5 kHz GymLink connection.
How do I record my heart rate data using the built-in memory on my Polar H10?
- Pair your Polar H10 sensor with the Polar Beat app on your iOS or Android device
- Wear the sensor around your chest
- Wait for your heart rate reading to display on the app
- Open the menu by tapping the icon with 3 dots in the top right on the training screen
- Tap “Save HR with sensor”
- Tap “Start”
Your training session will begin and your heart rate data will be recorded without having to use any other devices. It is important to note, the H10 only has enough memory to store data for a single training session. Once your workout is stopped, the Polar Beat app will offer to save your session and upload it to your Polar Flow diary. You will need to upload your session before you are able to begin and record a new training session.
How do I record my heart rate data using a 5 kHz GymLink connection on my watch?
This feature is typically reserved for older Polar watches. In order to do this, you must perform the following steps:
- Open the Polar Beat app
- Tap on “Settings” and then “HR sensor”
- Tap on the toggle next to GymLink, if it is not enabled
Can I use my Polar watch to monitor my heart rate while swimming?

Although Polar wrist-worn heart rate monitors are approved to wear while swimming, it is important to note that the accuracy of the heart rate readings cannot be guaranteed. Therefore, a chest worn strap, such as the Polar H10, is the recommended way to monitor your heart rate while swimming.
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