There's no reason you can't have a route named "ad hoc" or whatever. I intentionally designed it so that routes were just a categorization mechanism and didn't have core data (like mileage) in them, because I often don't follow exactly the same path.

If you'd like, I'd be happy to import ride data for you. Shoot me over a CSV or something, and I can get it in there.

I have about 4 months of data that I'd love to have in there, but it would take a while to enter. I have a lot of different routes as most of my rides are just out on country roads, linking up differently each time.