Thanks for this suggestion. We've added it to our Feature Requests list where anyone interested in it can vote for it.
These methods are not very modern. I would like to have either a separate Connect IQ application like
Wikiloc Trails, or at least agree on a dynamicwatch so that import into their application works like other services
See this link: https://www.plotaroute.com/tip/1/how-to-download-a-route-to-a-garmin-edge
How do I send the route to my garmin