My intention wasn't to discourage anybody. The comments above mine saying that 100km of lapping at Gimli with negligible wear & tear to show for it is UNrealistic, and I've responded based on experience from years of tracking.
It's unlikely that anybody is going to want to come to a race track and roll around like it's a Sunday scenic drive with the family, causing no wear on tires and brakes. They're going to want to have fun with their cars, and people need a realistic expectation if they come to the track.
So it's been said from one person that they had minimal wear, and from another who's had plenty of wear. Both sides have been told, so either way, people can make up their own minds, or come to the track and find out for themselves.