North Bend, WA — They say you can’t tell a horse without a program — and the same is true at The 24 Hours of Le Mans, where there are four classes of cars and nearly 50 cars screaming around the 8.48 mile track. So while this should have been one of the first articles, let’s look at the classes, what constitutes each class and the winners at the 75th running of this famous race.There are four main classes at the 24 Hours of Le Mans designated by the following: