Times from Friday's first practice for the Formula One Malaysian Grand Prix at Sepang. Both Raikkonen and Kovaolainen suffered mechanical failures.
1. Nico Rosberg (Germany) Williams
1:36.260
2. Kazuki Nakajima (Japan) Williams
1:36.305
3. Jenson Button (Britain) Brawn
1:36.430
4. Rubens Barrichello (Brazil) Brawn
1:36.487
5. Felipe Massa (Brazil) Ferrari
1:36.561
6. Kimi Raikkonen (Finland) Ferrari
1:36.646
7. Lewis Hamilton (Britain) McLaren
1:36.699
8. Mark Webber (Australia) RedBull
1:36.703
9. Sebastian Vettel (Germany) RedBull
1:36.747
10. Timo Glock (Germany) Toyota
1:36.980
11. Jarno Trulli (Italy) Toyota
1:36.982
12. Giancarlo Fisichella (Italy) Force India
1:37.025
13. Robert Kubica (Poland) BMW Sauber
1:37.039
14. Nelson Piquet (Brazil) Renault
1:37.199
15. Adrian Sutil (Germany) Force India
1:37.241
16. Fernando Alonso (Spain) Renault
1:37.395
17. Sebastien Buemi (Switzerland) Toro Rosso
1:37.634
18. Nick Heidfeld (Germany) BMW Sauber
1:37.640
19. Sebastien Bourdais (France) Toro Rosso
1:38.022
20. Heikki Kovalainen (Finland) McLaren
1:38.483