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Summary

  1. Sebastian Vettel fastest
  2. Hamilton completes 156 laps
  3. McLaren's Button fifth fastest

Live Reporting

By Gary Rose

All times stated are UK

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  1. Post update

    Right, that's it from me. Sebastian Vettel finishes fastest but a monster effort from Lewis Hamilton, putting it more than double the amount of laps than anyone else. Over to you Nico Rosberg.

    We'll be back with live text commentary on the second day of testing from 07:45 GMT. 

    Thanks for your company, see you later.

  2. Post update

  3. Final times

    1. Sebastian Vettel (1:24.939) 69 laps

    2. Lewis Hamilton (1:25.409) 156 laps

    3. Daniel Ricciardo (1:26.044) 87 laps

    4. Valtteri Bottas (1:26.044) 80 laps

    5. Alfonso Celis (1:26.298) 58 laps

    6. Jenson Button (1:26.735) 84 laps

    7. Carlos Sainz (1:27.180) 55 laps

    8. Marcus Ericsson (1:27.555) 88 laps

    9. Pascal Wehrlein (1:28.292) 54 laps

    10. Romain Grosjean (1:28.399) 31 laps

    11. Jolyon Palmer (1:29.356) 37 laps

  4. Chequered flag

    The chequered flag is out and Sebastian Vettel finishes the day one of the first test fastest. 

    Full times to follow.

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  6. Post update

    Into the final few minutes. Sebastian Vettel's work is done, Lewis Hamilton is still out on the track, along with Daniel Ricciardo and Jenson Button.

    Any late changes to the order?

  7. Rosberg champing at the bit

  8. Post update

  9. Your perfect F1 car

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  10. Post update

  11. Get involved #bbcf1

    Cheers Chris! We will be back, ready to go again at 07:45 GMT so if you are up for an early start you are welcome along.

  12. 150th for Hamilton

    Lewis Hamilton has just completed his 150th lap - he has basically just driven from Manchester to Paris - and there's still 15 minutes to go.

    Mercedes didn't even show their hand until the final test last year, but is the world champion laying down the gauntlet here. 

  13. Get involved #bbcf1

    Worth remembering that Manor's time has been set on the soft tyres. Everyone else bar Jenson Button and Alfonso Celis are on the medium compound.

  14. Felipe goes trackside

    Felipe Massa doesn't get the chance to get behind the wheel of the Williams until Wednesday, so he has been having a wander trackside to have a listen to the cars. 

    Looks impressed.

    View more on instagram
  15. Latest times

    1. Sebastian Vettel 1:24.939

    2. Lewis Hamilton 1:25.409

    3. Daniel Ricciardo 1:26.044

    4. Valtteri Bottas 1:26.091

    5. Jenson Button 1:26.860

    6. Alfonso Celis 1:26.949

    7. Carlos Sainz 1:27.180

    8. Marcus Ericsson 1:27.555

    9. Pascal Wehrlein 1:28.292

    10. Romain Grosjean 1:28.399

    11. Jolyon Palmer 1:31.343

  16. Get involved #bbcf1

  17. On the Button

    Jenson Button
    Image caption: Can you spot Jenson Button?

    Even better news for Jenson Button and McLaren. He has just gone fifth fastest with 1:26.860. That time was set on the faster soft tyres but still, an encouraging day so far for the team. 

    Remember they managed just six laps on the first day of testing last year.

  18. Post update

    Great scenes! Jenson Button has just completed his 66th lap. That means he has completed the same distance as the Spanish Grand Prix without breaking down.

  19. Post update

    Formula 1

    F1 journalist Dan Knutson in Barcelona: "This is Sebastian Vettel’s company car for the test. Both he and Ferrari teammate Kimi Räikkönen are driving Jeeps. Jeep, of course in one of the brands of Fiat Chrysler Automobiles."

  20. Post update

    Two cars on the circuit at the moment - the Williams of Valtteri Bottas and Pascal Wehrlein's Manor. Wehrlein is the only driver out on the softs, with the rest having been out on the medium tyres. He currently has the eighth fastest time with 1:28.292.

    It looks like Sebastian Vettel is going to finish top of the order on the first day of testing, with teams seemingly winding down for the day now.