Stat Centre: #SpanishGP We take a closer look at the numbers with our friends @pirellisport - win.gs/1ssTjln http://pbs.twimg.com/media/Bnmf2y9IMAECGQq.jpg
53 laps for @NicoHulkenberg today - 1:27.727 his time. @dani_juncadella is in the car tomorrow for Day 2 of testing! http://pbs.twimg.com/media/Bnh6i8HCAAAcHE0.jpg
Well done @Charles_Pic1 with the second fastest time of the day @Circuitcat_eng - not bad for your first go http://pbs.twimg.com/media/Bnh2VSoCMAAnk40.jpg
A very happy @maxchilton talks to @SkySportsNews . http://pbs.twimg.com/media/Bnh1ey6CQAAxnVa.jpg
Yes, look. It really is P1. Woohoo! http://pbs.twimg.com/media/BnhyyyFCMAAmu5-.jpg
55 laps done and that's it for day one here in #Barcelona @MassaFelipe19 http://pbs.twimg.com/media/BnhySFeIcAAe1cV.jpg
This way please @LewisHamilton ! #F1 http://pbs.twimg.com/media/BnhmowsIAAAlXY6.jpg
1hr to go @Circuitcat_eng : 67 laps down for @LewisHamilton . This baby is about to be called back into action... #F1 http://pbs.twimg.com/media/BnhlJ4OIIAAS_Kv.jpg
Red flag with an hour to go so we just wait to see how much work we can get through before the end of the day http://pbs.twimg.com/media/BnhjRYLIgAAJ9g_.jpg
Have you been #saubered lately? Visit our online shop at ► store.sauberf1team.com/en/ ◄ and get #saubered now! http://pbs.twimg.com/media/BnhiSM9CMAADIA0.jpg
We're not quite sure what @Charles_Pic1 has seen. Any ideas? #HaasWatch ? http://pbs.twimg.com/media/BnhcrhMCUAALsQi.jpg
'Box now Felipe!' http://pbs.twimg.com/media/BnhX-s1IQAA-i53.jpg
Dry running continues this afternoon but it's still pretty chilly! #BarcelonaTest http://pbs.twimg.com/media/BnhXu34IQAA6V5U.jpg
Quick break for @LewisHamilton with 54 laps on the board; medium tyres on his wagon now as the circuit dries #F1 http://pbs.twimg.com/media/BnhVoO8IcAAoCQq.jpg
The first ever world championship #F1 race took place on this day 64 years ago. The rest is history… http://pbs.twimg.com/media/BnhSXQ8IIAAawS2.jpg
On this day in 2001 @therealdcf1 won the #AustrianGP for McLaren. Cheers, old chum! http://pbs.twimg.com/media/BnhNvhhIIAASiID.jpg
Rain again, which is good if you're a shrub. Bit less ideal for F1. Nico back in the garage for a chat with the crew. http://pbs.twimg.com/media/BnhLUm1CUAApgs6.jpg
Here's our man behind the wheel in an out of (car) body contemplation moment @Charles_Pic1 http://pbs.twimg.com/media/BnhH6WEIEAAbYUm.jpg
It's raining again so we've paused for reflection. There is some blue out there too http://pbs.twimg.com/media/BnhHR5cIgAAcaVZ.jpg
RT @AnotherEdFoster : Do please retweet... http://pbs.twimg.com/media/BnhEkCoIAAAU2Xo.png - SUPPORT THIS - it's brave, foolish, insane, terrifying & hugely brilliant
RT @AnotherEdFoster : Do please retweet... http://pbs.twimg.com/media/BnhEkCoIAAAU2Xo.png - please support this. It's brave, foolish,
Feeling some further spots of rain as Felipe returns from that run #BarcelonaTest http://pbs.twimg.com/media/BnhEXstIUAAuTAm.jpg
Still damp out there as Felipe pits for a wing adjustment #BarcelonaTest http://pbs.twimg.com/media/BnhDV08IEAAfjv_.jpg
More aero work planned for the remainder of the afternoon #BarcelonaTest http://pbs.twimg.com/media/BnhBt8NIAAAvBfq.jpg
Rain has gone and it looks good enough for dry tyres so Felipe gets strapped in #BarcelonaTest http://pbs.twimg.com/media/BnhBdqlCUAAjT-I.jpg