Can you add skateboarding or longboarding as an activity to garmin connect?
I've tried this before and was told
Was told by whom? Typically, when submitting a request using the Garmin Ideas page, you will not get any response as stated on the terms of use section of that page...
Garmin receives many ideas. While we wish we could answer each submission, it is not possible, and you may not hear back from us.
Sounds like you might have contacted Garmin Support instead.