Tercera sesión de entrenamientos libres del Gran Premio de Bélgica 2009
| Pos. | Piloto | Escuderia | Tiempo | Vueltas |
|---|---|---|---|---|
| 1 |  Nick Heidfeld |
BMW | 1:45.388 | |
| 2 |  Jarno Trulli |
Toyota | + 0.074 | |
| 3 | Adrian Sutil |
Force India | + 0.289 | |
| 4 |  Romain Grosjean |
Renault | + 0.490 | |
| 5 | Timo Glock |
Toyota | + 0.520 | |
| 6 |  Robert Kubica |
BMW | + 0.599 | |
| 7 | Nico Rosberg |
Williams | + 0.652 | |
| 8 | Giancarlo Fisichella |
Ferrari | + 0.726 | |
| 9 |  Lewis Hamilton |
McLaren | + 0.913 | |
| 10 | Jenson Button |
Brawn | + 1.018 | |
| 11 |  Kimi Räikkönen |
Ferrari | + 1.021 | |
| 12 |  Sebastien Buemi |
Toro Rosso | + 1.029 | |
| 13 | Heikki Kovalainen |
McLaren | + 1.074 | |
| 14 | Sebastian Vettel |
Red Bull | + 1.359 | |
| 15 |  Jaime Alguersuari |
Toro Rosso | + 1.426 | |
| 16 |  Rubens Barrichello |
Brawn | + 1.427 | |
| 17 | Fernando Alonso |
Renault | + 1.538 | |
| 18 | Luca Badoer |
Ferrari | + 1.667 | |
| 19 |  Kazuki Nakajima |
Williams | + 1.690 | |
| 20 |  Mark Webber |
Red Bull | Sin tiempo |