By any normal yardstick, the Le Mans 24 Hours is one of the most difficult and demanding races in motorsport.The concentration levels alone are virtually impossible to uphold, on public roads at more than 200mph,

Robert Kubica said his triumph at the 24 Hours of Le Mans on Sunday, 14 years after a near-fatal rally crash that partially severed his right forearm, should erase any doubts about his capacity to compete in motor racing.

Kubica's big break with Ferrari's Formula 1 team fell apart after a devastating injury. On Sunday, he was the reason Ferrari won Le Mans race overall.