Pre-season testing starts its third day of Week 2 today in Barcelona, and slowly but surely teams are ramping up performance.
It was a long day of work yesterday for Red Bull's Daniel Ricciardo who racked up 165 laps, but well worth it for the Aussie who concluded the session with the fastest lap and a new unofficial lap record of the Circuit de Catalunya.
The Milton Keynes-based team is unlikely to remain unchallenged however as Mercedes and Ferrari dial in more speed and drivers break the 1m18s barrier.
Here are the teams' line-ups for Thursday, possibly subject to change.
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Line-ups - Week 2
| Tuesday - Mar 6 | Wednesday - Mar 7 | Thursday - Mar 8 | Friday - Mar 9 |
| Mercedes | |||
| Valtteri Bottas/ Lewis Hamilton | Lewis Hamilton/ Valtteri Bottas | Valtteri Bottas/ Lewis Hamilton | TBC |
| Ferrari | |||
| Sebastian Vettel | Sebastian Vettel/ Kimi Raikkonen | Sebastian Vettel | Kimi Raikkonen |
| Red Bull | |||
| Max Verstappen | Daniel Ricciardo | Max Verstappen | Daniel Ricciardo |
| Force India | |||
| Sergio Perez | Esteban Ocon | Sergio Perez | Esteban Ocon |
| Williams | |||
| Sergey Sirotkin/ Lance Stroll | Lance Stroll/ Sergey Sirotkin | Robert Kubica/ Lance Stroll | Robert Kubica/ Sergey Sirotkin |
| Renault | |||
| Nico Hulkenberg/ Carlos Sainz | Carlos Sainz/ Nico Hulkenberg | Nico Hulkenberg/ Carlos Sainz | Carlos Sainz/ Nico Hulkenberg |
| Toro Rosso | |||
| Pierre Gasly | Brendon Hartley | Pierre Gasly | Brendon Hartley |
| Haas | |||
| Kevin Magnussen | Romain Grosjean | Kevin Magnussen | Romain Grosjean |
| McLaren | |||
| Stoffel Vandoorne | Fernando Alonso | Stoffel Vandoorne | Fernando Alonso |
| Sauber | |||
| Marcus Ericsson | Charles Leclerc | Marcus Ericsson | Charles Leclerc |
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