After having the second Friday practice session washed out by heavy rain the
first of the two Saturday practice sessions would be run under cloudy
conditions. For the BMW WilliamsF1 team it was a case of making up for lost time. The teams were given until Saturday to make their decisions regarding their tyre choice. The session was declared wet.

The session would get under way with Minardi's Christijan Albers, McLaren's Juan Pablo Montoya, and Red Bull's Christian Klein completing a installation lap. They would be joined by Sauber's Jacques Villeneuve. Several other drivers including Raikkonen and Coulthard would also come out. Both Jordan's of Monteiro and Karthikeyan were also out. Klein would start a time lap but would abort it and return to the pits. With overnight rain the drivers were using intermediate tyres, even though it was not raining.

Michael Schumacher was also out checking the conditions. With thirty minutes of the session remaining there had been no times set. Barrichello was also out. Button would make it twelve drivers who had completed a installation lap. With twenty five minutes remaining there were no drivers out on the circuit. Michael was back out, joined by Coulthard and Red Bull team-mate Klein.

With twenty minutes remaining and the sun pocking through the clouds it would be Coulthard who would set the fist times lap, a time of 1m:57.519. He would be joined by Klein with a time of 1m:57.048 to go fastest. The track was dry in certain sections. Coulthard would improve on his ext lap with a time of
1m:55.618. Ralf Schumacher was on a timed lap, ending with a time of 1m:56.882 to be in third. Pizzonia would make an appearance, joined by Takuma Sato.

The second Toyota of Trulli was also out with thirteen minutes remaining in the session. Klein had improved his time with a lap of 1m:55.323. He would move ahead of David with a time of 1m:53.380. Pizzonia would start his first lap. Both Button and Sato were also on flying laps. Michael Schumacher was also out looking to set a time. Ralf was now in second, 1m:5.716.

Sato would move ahead of Ralf, 1m:53.467, while Antonio was in seventh with a time of 1m:54.101. Michael went fastest, 1m:52.069, but brother Ralf would beat him with a time of 1m:51.973. Button was in fifth. Trulli was in ninth, 1m:58.093. Mark Webber had yet to take to the track. Sato was now in third, 1m:52.582. Team-mate Button was now fastest with a 1m:50.616. The track conditions were improving all the time.

Both Renaults had taken to the track. Mark would finally come out with just eight minutes remaining. Montoya would move into third with a 1m:51.368, while Antonio had moved up to be in fifth with a 1m:51.990. The order was changing rapidly as the track dried. Massa was in seventh with a 1m:52.794, while Sato was now in third with a 1m:50.750. But it would be Montoya who would jump to the top of the times with a 1m:49.972.

Mark was on his first flying lap and would finish in seventh with a time of 1m:51.309. Raikkonen was now in fifth. Alonso would come out and would secure the quickest time, 1m:49.337. Team-mate Fisichella was in third with a 1m:50.090 as the final minutes of the session counted down. Mark and Antonio were now in tenth and thirteenth. Fisichella would move ahead of Alonso with a time of 1m:49.147.

Antonio would improve his time, 1m:50.969, to now be in tenth, one place ahead of Mark. At the front it would be Kimi who would post the quickest time, 1m:48.658, to be 0.489 ahead of Fisichella. Mark would improve to now be in fifth, 1m:50.066. Michael would take this spot with a 1m:49.520. Antonio was now in ninth. Kimi would lower his time with a 1m:48.125 while Montoya was now in second with a 1m:48.516 as the session came to an end.

The order was Raikkonen, Montoya, Fisichella, Alonso, Michael Schumacher, Button, Webber, Coulthard, Ralf Schumacher, and Pizzonia.