I want to know how many miles I run in a given period
I want to know how many miles I run in a given period
You can use the Garmin Connect website and go to Reports > Progress Summary, which gives you a lot of different options for choosing a time period, including custom dates:
https://connect.garmin.com/modern/progress-summary
You can also use the Garmin Connect Mobile app, which gives you less options (it’s limited to fixed 7 day, 4 week, or 1 year periods):
More > Activities > Running