Nico Rosberg has put Mercedes on top of the time sheets after the first day of testing in Barcelona.
The German driver was fastest on a cloudy day where rain was expected over the Catalonian circuit but didn’t arrive at the end of the day. Rosberg was closely followed by Raikkonen and Alonso who was the only driver to drive over 100 laps.
Barcelona – pre-season practice 1 session 1 results
| Pos. | Drivers | Teams | Time | Laps |
| 01. |  Nico Rosberg |
Mercedes GP | 1:22.616 | 54 |
| 02. |  Kimi Raikkonen |
Lotus F1 Team | 1:22.623 | 44 |
| 03. |  Fernando Alonso |
Scuderia Ferrari | 1:22.952 | 110 |
| 04. | Sebastian Vettel |
Red Bull Racing | 1:22.965 | 66 |
| 05. |  Pastor Maldonado |
Williams F1 Team | 1:23.733 | 86 |
| 06. |  Daniel Ricciardo |
Scuderia Toro Rosso | 1:23.884 | 73 |
| 07. |  Sergio Perez |
Vodafone McLaren Mercedes | 1:24.124 | 77 |
| 08. |  Paul di Resta |
Sahara Force India | 1:24.144 | 82 |
| 09. | Esteban Gutierrez |
Sauber F1 Team | 1:25.124 | 68 |
| 10. | Max Chilton |
Marussia F1 Team | 1:26.753 | 65 |
| 11. |  Charles Pic |
Caterham F1 Team | 1:27.534 | 49 |
Image: Mercedes GP
