Practice 1: Hamilton quickest in China

Lewis Hamilton returned to the top of the timesheets in the first practice session for this weekend s Chinese Grand Prix, as Mclaren revealed a number of aerodynamic improvements, including a new interim Diffuser.

The reigning World Champion, led a British one-two, with Championship leader Jenson Button just 0.116 secs behind.
Button’s Brawn GP team mate, Rubens Barrichello, rounded off the top three.

Pos  Driver        Team                      Time              Laps
 1.  Hamilton      McLaren-Mercedes     (B)  1:37.334 +         22
 2.  Button        Brawn GP-Mercedes    (B)  1:37.450 + 0.116   18
 3.  Barrichello   Brawn GP-Mercedes    (B)  1:37.566 + 0.232   19
 4.  Kovalainen    McLaren-Mercedes     (B)  1:37.672 + 0.338   23
 5.  Webber        Red Bull-Renault     (B)  1:37.752 + 0.418   20
 6.  Trulli        Toyota               (B)  1:37.764 + 0.430   19
 7.  Rosberg       Williams-Toyota      (B)  1:37.860 + 0.526   24
 8.  Glock         Toyota               (B)  1:37.894 + 0.560   21
 9.  Alonso        Renault              (B)  1:38.089 + 0.755   19
10.  Bourdais      Toro Rosso-Ferrari   (B)  1:38.195 + 0.861   24
11.  Raikkonen     Ferrari              (B)  1:38.223 + 0.889   23
12.  Vettel        Red Bull-Renault     (B)  1:38.274 + 0.940   20
13.  Buemi         Toro Rosso-Ferrari   (B)  1:38.307 + 0.973   26
14.  Sutil         Force India-Mercedes (B)  1:38.319 + 0.985   18
15.  Massa         Ferrari              (B)  1:38.418 + 1.084   20
16.  Heidfeld      BMW Sauber           (B)  1:38.456 + 1.122   21
17.  Fisichella    Force India-Mercedes (B)  1:38.460 + 1.126   19
18.  Kubica        BMW Sauber           (B)  1:38.463 + 1.129   18
19.  Nakajima      Williams-Toyota      (B)  1:38.730 + 1.396   25
20.  Piquet        Renault              (B)  1:38.825 + 1.491   20

All timing unofficial