The 24 hours of Le Mans is arguably the most gruelling race in Motorsport

To win, you need to build cars and drivers of supreme endurance, although some would say that luck plays a big part in it.

On Sunday 12th June Audi won the 24 hours of Le Mans for a 10th time in 12 years - as this film shows, the biggest part of our success is eliminating the need for 'luck'.