Tumke: Are you using the 3DEditor 15.8? If so, try to recreate the bin, if not, download it and recreate the bin.
Jonny: What a complex track! Seems to be very difficult. Is counter clock-wise? If so, seems to be only one overtaking point, after the brake of the last curves.
You want a name?
Hummmmm, what do you think about "AMEBA PARK?" :D! Eheheh, just kidding.
I'm using two options on my tracks, a name of a great Brazilian driver (like Chico Landi) or, if you want something more NASCAR, the name of the main sponsor, like "West road course", "Müermmans Speed Park" and those things.
Nice track!