Tercera sesión de entrenamientos libres del Gran Premio de Bélgica 2017
| Pos. | Piloto | Escuderia | Tiempo | Vueltas |
|---|---|---|---|---|
| 1 |  Kimi Räikkönen |
Ferrari | 1:43.916 | 17 |
| 2 |  Sebastian Vettel |
Ferrari | +0.197s | 15 |
| 3 |  Lewis Hamilton |
Mercedes | +0.198s | 11 |
| 4 |  Max Verstappen |
Red Bull | +1.118s | 13 |
| 5 | Valtteri Bottas |
Mercedes | +1.314s | 18 |
| 6 |  Daniel Ricciardo |
Red Bull | +1.370s | 18 |
| 7 |  Jolyon Palmer |
Renault | +1.575s | 11 |
| 8 |  Sergio Pérez |
Force India | +1.941s | 14 |
| 9 |  Carlos Sainz Jr. |
Toro Rosso | +2.026s | 18 |
| 10 | Fernando Alonso |
McLaren | +2.144s | 12 |
| 11 | Nico Hülkenberg |
Renault | +2.148s | 11 |
| 12 |  Esteban Ocon |
Force India | +2.263s | 14 |
| 13 | Romain Grosjean |
Haas | +2.280s | 14 |
| 14 |  Stoffel Vandoorne |
McLaren | +2.384s | 14 |
| 15 |  Lance Stroll |
Williams | +2.704s | 18 |
| 16 |  Felipe Massa |
Williams | +2.751s | 22 |
| 17 |  Kevin Magnussen |
Haas | +2.774s | 13 |
| 18 |  Daniil Kvyat |
Toro Rosso | +3.987s | 7 |
| 19 | Pascal Wehrlein |
Sauber | +4.380s | 17 |
| 20 |  Marcus Ericsson |
Sauber | +4.384s | 6 |