The 2003 British Grand Prix (formally the LVI Foster's British Grand Prix) was a Formula One motor race held on 20 July 2003 at the Silverstone Circuit, Silverstone, Northamptonshire, England. It was the eleventh round of the 2003 Formula One season. The race, contested over 59 laps, was won by Rubens Barrichello driving for Ferrari after starting from pole position.