How do I connect to my Garmin GLO / GLO 2 receiver?

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There’s no option for Garmin GLO in RaceChrono settings, as it cannot be connected directly by 3rd party apps on iOS. You need to go to iOS Bluetooth settings, and pair and connect your Garmin GLO from there. These instructions also apply to connecting Garmin GLO 2.
In RaceChrono settings, enable Internal GPS. It will actually use any GPS that is connected through iOS location services. Then you are ready to start your session.


Open your device details, from the red or green round button on the recording screen, to verify that the data is received from your Garmin GLO.


Since iOS 18.6, both internal GLO and external Garmin GLO will have update rate of 1 Hz. This makes it hard to detect if the system is actually using the Garmin GLO.