Gerhard Berger drives Ayrton Senna's first Lotus around Imola before the San Marino Grand Prix

Pole-sitter Jenson Button gets away cleanly and leads the field through the first corner in his BAR

But McLaren driver David Coulthard breaks his front wing in a collision with Renault's Jarno Trulli

Button stays ahead of Michael Schumacher until the Ferrari star edges ahead thanks to a slick pit stop on lap 10

Button is unable to keep up with the world champion but comfortably secures second place

Renault's Fernando Alonso prepares to lap Mark Webber's Jaguar on the way to a fourth-place finish

Ferrari's Rubens Barrichello finishes a disappointing sixth, one place ahead of Williams driver Ralf Schumacher

Schumacher takes total control of the race to extend his championship lead to 16 points

Schumi's fourth straight victory of the season equals his best-ever start to a Formula One campaign