I though of that too, I'm actually drawing it right now. I'd call it test/training tracks. I'm making an oval version and a 8 shaped one...
About the team descriptions, lets not get ahead of ourselves. we don't have all the teams done and the most important part which is the gameplay isn't actually complete yet, not to mention the menus...
I'd focus on a brainstorming on how the menus would look like.