Questions about Garmin Running Dynamics Pod

Hello, Unfortunately, we don't believe this to be the case. Here is the list of models that should be compatible: Fenix 5, Fenix 5S, Fenix 5X, Fenix Chronos, Forerunner 735XT, Forerunner 935.

Hardly. Garmin accessories, except for the heart rate belt (but only the HR measurement) have only worked for me with Garmin watches.

I don't know what Zwift is, but apparently it's a sports game. According to Forums.zwift.com it does not work.