Veryfitpro Upload To Strava. You might want to use the file uploader if you have rides on your computer that are no longer on your Garmin or you have rides on Garmin Connect or another site that you would like to export and upload to Strava. Follow the onscreen instructions to link the app to Google Fit.
Summary: As functional, durable and attractive (more so even) than many smart/fitness watch devices from the big players.
There are a decent number of apps that work with Fit: Strava, Sleep As Android, and Runtastic, for example, so if you use these apps to track your running, walking, sleeping, and workouts then.
Depending on the app, this might be called 'Link other services,' 'apps & devices,' 'manage connections,' or something else. Upload a file from your computer. The veryfitpro app is able to connect/write/upload to Strava as well as Health (Apple).