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How to Use Broadcast Mode to Sync Heart Rate Data from Garmin Watches to TrainerRoad

TrainerRoad Athletes can sync their heart rate (HR) data from Garmin watches to the TrainerRoad app. In this guide, we will walk you through the steps to set up and use Broadcast mode on your Garmin watch, allowing you to seamlessly track your heart rate during TrainerRoad workouts.


To get started, you will need the following:

A compatible Garmin watch: Ensure your Garmin watch supports Broadcast mode. Refer to Garmin's documentation or product specifications to confirm compatibility, here.

TrainerRoad app: Download and install the latest version of the TrainerRoad app on your smartphone, tablet, or computer. Sign in to your TrainerRoad account or Sign-up if you haven't already.

Bluetooth and ANT+ connectivity: Make sure your Garmin watch and your device running TrainerRoad have Bluetooth and/or ANT+ capabilities to establish a wireless connection.

NOTE: Even though many of these watches have basic Bluetooth capabilities, Broadcast mode is ONLY via ANT+ for most of the Garmin watches. For most of the Garmin watches, users cannot connect their HR data to TrainerRoad via Bluetooth. Garmin recently released a firmware update for the Garmin Forerunner 245 and 945 that now allows the watch to broadcast HR data to TrainerRoad via Bluetooth.

Enabling Broadcast Mode on Your Garmin Watch

  1. On your Garmin watch, navigate to the settings menu.
  2. Select Settings > Sensors > Heart Rate.
  3. Find the "Broadcasting" or "Broadcast Mode" option and select it.
  4. Enable the Broadcast mode on your watch. You will now be able to transmit heart rate data wirelessly to other compatible devices (TrainerRoad).


Pairing Your Garmin Watch with TrainerRoad

  1. Launch the TrainerRoad app on your device.
  2. Ensure that Bluetooth or ANT+ connectivity is turned on, on your device.
  3. Navigate to the Devices page in the TrainerRoad app.
  4. Look for your Garmin watch (HR) in the list of available devices and select it.
  5. The box around your Garmin watch on the Devices page should be green to show it has been paired successfully.


Starting Your TrainerRoad Workout

  1. Choose a workout from your TR Calendar or TR Workouts page.
  2. Begin the workout by tapping the "Load Workout" button.
  3. Your Garmin watch will now transmit heart rate data to the TrainerRoad app.
  4. The TrainerRoad app will display your heart rate data in real-time, allowing you to monitor your effort level and optimize your training.


Helpful Tips:

  • Make sure your Garmin watch and the device running TrainerRoad are in close proximity during the pairing process for a reliable connection.
  • Ensure that your Garmin watch is charged sufficiently before starting a workout to avoid any interruptions.
  • If you encounter connection issues, try restarting your Garmin watch and the device running TrainerRoad. You can also try turning off other nearby Bluetooth or ANT+ devices that might interfere with the signal.
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