I have the same question. Why is there a drop-down option for golf but not running? I want to get rid of golf and use one for my primary activity. How can I customize this?
Which drop down menu are you talking about?
You can't really customize much via the settings in Garmin Connect. You will have to use userscripts or something like: https://github.com/truxoft/GCO
If you buy a watch that does not support golf, there will be no golf in Garmin Connect either