Final positions (after 58 laps):
1 K Raikkonen
2 F Alonso
3 JP Montoya
4 G Fisichella
5 J Button
6 J Trulli
7 D Coulthard
Lap 58: Raikkonen wins the first Turkish Grand Prix. But how crucial will the mistake be by team-mate Montoya, letting championship leader Alonso finish second?
Lap 57: Alonso takes second after Montoya runs off the track on turn eight.
Lap 56: Raikkonen is cruising to victory and is set to reduce Alonso's lead.
Lap 55: Button seems just a little too far away from overtaking Fisichella in fourth.
Lap 54: Sato, who is ninth in his BAR, is overtaken by Raikkonen. But the Japanese driver chooses to overtake the Finn.
Lap 52: It appears that the race will finish in the order of 1. Raikkonen, 2. Montoya, 3. Alonso - unless there is a major incident.
Lap 51: Current champion Schumacher drops out of the race, having been in last place.
Lap 49: British BAR driver Button is now 3.7 seconds behind Fisichella.
Lap 47: Button makes a 6.1-second pit stop and rejoins in fifth - over four seconds behind Fisichella.
Lap 46: Raikkonen has a 20-second lead over second place Montoya. Alonso is a further 12 seconds behind.
Lap 45: Leader Raikkonen makes a speedy 6.6-second stop and rejoins the race at the front.
Lap 43: Trulli comes into the pits, as Button takes fourth, although the Briton has yet to stop.
Lap 42: Button is less than a second behind fourth place Trulli.
Lap 41: Montoya makes a 7.7-second pit stop and comes out in second. Leader Raikkonen, who was just over eight seconds ahead has yet to pit.
Lap 39: Montoya posts the fastest ever lap on the Istanbul track - one minute 24.770 seconds.
Lap 37: Button is under a second behind fourth place Trulli.
Lap 36: Fisichella pits from third place and slots back in sixth.
Lap 34: Championship leader Alonso comes in for what appears to be his final pit stop of the race.
Lap 33: Button closes the gap between himself and Trulli to 2.8 seconds.
Lap 32: The leading three of Raikkonen, Montoya and Alonso appear to be away from the rest of the field. Fourth place Fisichella is over 21 seconds behind Alonso in third.
Lap 31: Button is just 3.6 seconds behind Trulli in fifth.
Lap 29: Seventh place Sato of BAR comes into the pits.
Lap 28: Raikkonen has an 11.5 seconds lead over McLaren team-mate Montoya.
Lap 25: Alonso is 1.5 seconds behind Montoya. Button is just over four seconds behind Trulli in fifth.
Lap 24: Raikkonen holds a 12 second lead over Montoya.
Lap 21: Button comes into the pits and rejoins in seventh.
Lap 19: Button moves past Alonso to take third, although has yet to pit.
Lap 18: Raikkonen and Montoya have yet to stop. Alonso is 10 seconds behind Montoya in third.
Lap 17: Raikkonen has a 10-second lead over second place Montoya.
Lap 16: Button is 13 seconds behind Alonso and is finding it hard to close the gap.
Lap 14: Webber collides with the left rear of Ferrari's Schumacher. Schumacher is forced to come into the pits. Fisichella endures a very long pit stop.
Lap 13: Alonso comes into pits to refuel and rejoins in fifth.
Lap 10: Raikkonen is 1.6 seconds ahead of Alonso in what promises to be an exciting duel.
Lap 9: Button moves up to sixth and is 13 seconds behind Jarno Trulli in fifth. Webber rejoins at the back after his unscheduled pit stop.
Lap 8: Webber takes sixth spot after a spectacular move on turn 12, but looks like he has a right rear puncture and will need to come into the pits. Raikkonen leads Alonso by 1.4 seconds.
Lap 7: Button is closing the gap on fellow Briton David Coulthard in eighth.
Lap 6: Heidfeld comes in to have his rear tyre replaced after an earlier collision.
Lap 5: Alonso takes second from Fischella.
Lap 4: Button moves up to 11th, as he tries to make amends for his poor qualifying on Saturday.
Lap 3: Raikkonen has just over a second lead over Fisichella.
Lap 2: Ferrari of Schumacher moves up to 11th from the back of the grid.
Lap 1: Fisichella takes the lead from Raikkonen, but the Finn fights back to retake the lead. Sauber's Massa has a collision on turn one. The two Red Bulls of Klein and Coulthard move up the grid. BAR's Jenson Button moves up to 12th from 13th.
1300: McLaren's Kimi Raikkonen leads the cars out on the parade lap. The Finn will be looking to close the gap on championship leader Fernando Alonso, who begins on the second row.
1259: The track temperature is 46 degrees. How will the tyres cope?
1244: Former heavyweight boxing champion 'Iron' Mike Tyson is shown Michael Schumacher's Ferrari on the grid.
1237: Istanbul track manager, Baran Asena, says the traffic problems approaching the circuit have now all but disappeared.
1230 A maximum temperature of 28C degrees is forecast for Istanbul on Sunday, but conditions for the drivers are set to be much hotter.