Video: Allan McNish walks us through 24 hours of Le Mans

Not everyone in the Autoblog UK office is a big fan of the Le Mans 24 hours. Most of us would contend that it's the ultimate test of man and machine, a unique date in the calendar framed by incredible preparation and almost unparalleled heritage.

But there's more than one Formula 1 diehard who will tell you endurance racing is about as thrilling as watching your bath water go cold. You'll have to make your own mind up, but if you need an excuse to tune in, then this teaser from Audi might do the trick.

A Day in the Life has Le Mans veteran Allan McNish describe the physical and mental challenge of tackling the famous circuit through day and night. It's compelling stuff, and there's even a little test you can do at home. Just don't drop your laptop.