I don't think you want a fantasy track. Just a track that is long enough to accomadate huge groups (min. 2.75 miles), can run on Sunday and is geographically well sited for your region.

The lay of the land and budget will dictate the actual layout and I would think you would want to try and preserve any topography you may have to start with.

Nelson Ledges is my favorite track and is the fastest 2 mile track around.