Leclerc fastest, Gasly crashes
Ricciardo pitched off track after losing wing part
Albon spins off after just four corners of his first lap
Williams will not run until at least Wednesday
Vettel fastest on day one
Any good sports fans should know who Valtteri Bottas is sat next to...
Some of the drivers seem to have grown beards over the off-season. What do we think of Bottas'?
Image source, Getty ImagesL-R Patrick Seabase, Fabian Cancellara and Valtteri Bottas.
Daniel Ricciardo said earlier that despite it being cold, the tyres are still getting a good run.
Image source, Pirelli TwitterChris Medland
F1 journalist in Barcelona
It’s a gorgeous afternoon out here now, and plenty of teams are settling into long runs. Renault has already said it aims to do a race distance with Nico Hülkenberg, while Alexander Albon has also just joined the action.
Lando Norris has already been lapping for a while as what has been a very productive day for Somerset’s latest F1 offering continues, with the rookie fourth on the timing screens and approaching a century of laps.
Even though the front wings are simplified this year and most cars are on high fuel and the harder compounds of tyre, they’re still mightily impressive through turns 7 and 8 here.
#bbcf1
Paul Brooks: Ferrari - Matte Red. Looks more like Lobster. We then have flamingo pink at Racing Point and dark horse at Haas. McLaren more of a red river hog and Williams is probably a blue footed booby in more ways than one.
Paul Robbins: Nobody is saying much about McLaren’s testing performance this year, is that because there are no disasters yet or are we secretly hoping they’re going to Quick this year? I hope so!
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Valtteri Bottas, Nico Hulkenberg, Alexander Albon and Lando Norris are out on the track.
Chris Medland
F1 journalist in Barcelona
During the relative quiet of the lunch break - which wasn't exactly quiet outside Renault, where there was a huge scrum to talk to Daniel Ricciardo - you sometimes see some odd sights, as the paddock gets very busy.
Today, these appeared outside Toro Rosso hospitality (which would explain the grid order). I could be wrong, but I'm pretty sure these aren't a look at the 2021 regulations...
#bbcf1
Joanna Harran: Nice timing to start my lunch just as second half of testing today starts. Just did a quick check and not bad at all Lando. Keep it up @McLarenF1
Cameron: Is it just me or is anyone else excepting this year to be another horrible season for Williams? Was hoping they'd have the car ready for tomorrow but I'm not holding my breath for it.
RobJFH: Liveries, best to worst: Merc: wow! Renault: v pretty RP: v honest, keeping sponsors happy RB: consistent/sharp (ditto Torro Rosso) McLaren: v distinctive, bit empty! Ferrari: It's red Haas: Too dark AR: so bland after seeing great launch car Williams: awful MS Paint job.
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Andrew Benson
BBC Sport’s chief F1 writer
An update on Williams. They are still on target to get the new car ready to leave the factory tonight and put the finishing touches to it overnight at the track. It's not possible to know how long that will take but it means the expectation is they are still due on track at some point on Wednesday
As you may be aware, Williams haven't arrived in Barcelona yet, because their cars aren't ready.
Deputy team boss Claire Williams said the delay is "extremely disappointing".
Williams finished last of 10 teams in 2018 and were hoping to make progress after internal restructuring.
The team have blamed the delays in the build of the new FW42 on trying to extend the design process as long as possible in the search for performance.
Williams said: "It is looking more likely than not that we will now not be in a position to run on track until Wednesday at the earliest."
The team have an all-new driver line-up of Robert Kubica, who is returning to F1 after eight years out caused by life-changing injuries suffered in a rally crash in February 2011, and British novice George Russell, the reigning Formula 2 champion.
Andrew Benson
BBC Sport’s chief F1 writer
OK, tyres. In an attempt to simplify things this year, tyre supplier Pirelli has reduced the number of dry-weather compounds available through the year to five from seven, and at each race they will simply be called soft, medium and hard, indicated by red, yellow and white markings on the sidewall.
So far, so easy. But of course it’s not that simple. The soft, medium and hard at each race will not necessarily be the same as at another race - they will be chosen from the five options, which are known as C1 (for the hardest), C2, C3, C4 and C5 (for the softest) - once Pirelli have decided which compound set will be more suitable for each track's characteristics. So hard tyres fore demanding tracks like Silverstone and Suzuka, for example, soft ones for undemanding ones (for tyres) like Monaco, Canada and so on.
The idea is that casual fans can be less confused by the names, but enthusiasts can still understand which tyre is being used at each track.
For testing, all five compounds are available. The three colours remain the same, but the C1 and C5 compounds will have white and red lettering, like the C2 and C4, and will be differentiated by the lack of what Pirelli call brackets on the sidewall - what others might call lines - between the logos. Not the easiest thing to spot at 200mph, but there you go.
Some of you on Twitter are asking about tyres. The drivers are testing different compounds, during their running sessions so it's difficult to say which ones they're wearing for their laps, as well as how much fuel they have when they're doing fast laps.
Pirelli have new system for this season. Andrew Benson explains...
Image source, Pirelli TwitterDaniel Ricciardo speaking to Sky Sports, says: "I couldn't see in the mirror, so I couldn't see at the time but I thought maybe the (DRS) flap stayed open. I went pretty quick into the barriers, but this is what testing is for, we can learn from our mistakes.
"We're not up to standard for Melbourne yet, but it all feels pretty good for now. That run this morning was encouraging, and it felt better after a long run out this morning. Even though it's cold here, the tyres are getting a good run out, but the car is encouraging at this stage.
"Ferrari have come out strong and the same over the last few seasons, but performance reliability at the minute they seem to be creating a statement."
Image source, Getty ImagesValtteri Bottas has set off on an outlap.
As the teams break for lunch, so should we - and you. We'll be back again at 13:00 GMT with more coverage of day two of testing. Here are the times at the end of that session:
Chris Medland
F1 journalist in Barcelona
Back into the pits for Lance Stroll on his first day in the RP19. Yesterday was a bit of a messy one for Racing Point as it was the first time they had run the car, but 30 laps equates to more than 120km around here, which is more than they would have been allowed to do on a filming day if they wanted to carry out a shakedown.
Today that total has already been exceeded and the RP19 appears to be running more reliably. It needs to, with Otmar Szafnauer targeting fourth in the constructors’ championship at the team’s identity launch in Toronto last week.
Chris Medland
F1 journalist in Barcelona
Nothing to hide at Williams though, where their showcar is on display in an otherwise empty garage. The team hope this will be a hive of activity later tonight if the FW42 arrives on time, and we’ll know it has when the shutters come down...
Chris Medland
F1 journalist in Barcelona
A familiar sight at F1 testing: screens. Renault are hiding their garage from view as work continues trying to understand what went wrong with Daniel Ricciardo’s rear wing earlier.
Peeking through the gap I can see a new upper element has been fitted and the team are opening and closing the DRS mechanism as part of the investigations.
