A pre-race thunderstorm left a wet but drying track, with drivers made to agonise over whether to play it safe by starting on rain tyres or risking it with grooved ‘slicks’.
Montoya and Toyota’s Olivier Panis rolled the dice while most of the rest played it safe.
Räikkönen saw which way things were going and elected for a pitlane start on dry tyres, diving in at the end of the formation lap.
At lights out the two Ferraris set off in formation, but the rest squabbled over position in a frantic start.
Frantic opening laps saw backmarker Justin Wilson almost get in the points
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Sauber’s Nick Heidfeld began to slice through the field on his wet tyres and was up to third by the end of lap 1, as Panis dropped through the field like a stone, falling from fifth to 11th in one lap.
It was all happening further back as well: by lap two the late Justin Wilson, who had started last and was now up to tenth, but he too soon fell back down.