Lewis Hamilton zajazdil v treťom voľnom tréningu na VC Kanady najrýchlejší čas.
| Pozícia | Jazdec | Tím | Čas | Strata | Kolá |
| 1 | Lewis Hamilton | McLaren-Mercedes | 1:16.058 | 15 | |
| 2 | Mark Webber | Red Bull-Renault | 1:16.340 | 0.282 | 16 |
| 3 | Fernando Alonso | Ferrari | 1:16.495 | 0.437 | 19 |
| 4 | Michael Schumacher | Mercedes | 1:16.536 | 0.478 | 15 |
| 5 | Sebastian Vettel | Red Bull-Renault | 1:16.582 | 0.524 | 16 |
| 6 | Robert Kubica | Renault | 1:16.653 | 0.595 | 18 |
| 7 | Adrian Sutil | Force India-Mercedes | 1:16.673 | 0.615 | 15 |
| 8 | Jenson Button | McLaren-Mercedes | 1:16.699 | 0.641 | 16 |
| 9 | Vitantonio Liuzzi | Force India-Mercedes | 1:16.814 | 0.756 | 15 |
| 10 | Vitalij Petrov | Renault | 1:16.982 | 0.924 | 18 |
| 11 | Nico Hülkenberg | Williams-Cosworth | 1:17.121 | 1.063 | 16 |
| 12 | Felipe Massa | Ferrari | 1:17.231 | 1.173 | 16 |
| 13 | Jaime Alguersuari | Toro Rosso-Ferrari | 1:17.331 | 1.273 | 22 |
| 14 | Kamuj Kobajaši | BMW Sauber-Ferrari | 1:17.548 | 1.490 | 20 |
| 15 | Pedro de la Rosa | BMW Sauber-Ferrari | 1:17.609 | 1.551 | 16 |
| 16 | Sébastien Buemi | Toro Rosso-Ferrari | 1:17.633 | 1.575 | 21 |
| 17 | Rubens Barrichello | Williams-Cosworth | 1:17.789 | 1.731 | 18 |
| 18 | Nico Rosberg | Mercedes | 1:17.979 | 1.921 | 4 |
| 19 | Jarno Trulli | Lotus-Cosworth | 1:19.013 | 2.955 | 15 |
| 20 | Heikki Kovalainen | Lotus-Cosworth | 1:19.447 | 3.389 | 16 |
| 21 | Timo Glock | Virgin-Cosworth | 1:19.536 | 3.478 | 22 |
| 22 | Lucas Di Grassi | Virgin-Cosworth | 1:19.844 | 3.786 | 20 |
| 23 | Bruno Senna | HRT-Cosworth | 1:20.325 | 4.267 | 18 |
| 24 | Karun Chandhok | HRT-Cosworth | 1 |
