Timing at 18:00 local time
Temps à 18h00 (heure française)
Photos des tests
18:10 - Many thanks for following our live coverage of the two Barcelona F1 tests. The 2017 season kicks off with the Australian Grand Prix on March 26. Until then, make sure to tune in on F1i.com as we bring you all the latest developments from pre-season testing and look ahead to Melbourne.
18:00 - The chequered flag is waved to signal the end of 2017's F1 pre-season testing.
17:55 - Raikkonen, Verstappen, Sainz, Hamilton, Palmer, Stroll and Alonso are in action in the closing stages of this winter's preparations.
17:47 - And hydraulics leak has drawn Haas' pre-season testing to an early end.
17:29 - Raikkonen's earlier stoppage was due to an electrical issue but the Finn will be able to head back out again.
17:22 - Alonso goes one better and up to 11th with a 1:21.389 effort. That's the best time set by McLaren in this year's pre-season testing so far.
17:20 - Verstappen, Hamilton, Stroll, and Alonso are on track.
17:18 - Green flag. We are back under way for the final 40-something of action.
17:08 - Red flag! Carlos Sainz' Toro Rosso has stopped on the start/finish straight.
17:05 - Hamilton improves to P5 with his latest effort on the ultrasoft compound.
17:00 - 60 minutes of running left on the final day of this year's F1 pre-season testing.
16:50 - Surtees remains the only driver to have won world championships on both two and four wheels.
16:46 - We just learnt a very sad news: former motorcycle and Formula 1 world champion has passed away aged 83, his family has confirmed.
16:37 - Sainz and Palmer also resume their afternoon run plans.
16:33 - And we're back to green conditions for the final 90 minutes of action at Circuit de Barcelona-Catalunya.
16:28 - Mercedes has not run much compared to previous days: only 19 laps for Hamilton this afternoon after 150 minutes.
16:23 - Red flag! Raikkonen spins and stops on track at Turn 13.
16:21 - Honda is not the only engine manufacturer to have encountered issues this week. Renault has also run into some teethings problems with its all-new power unit. Red Bull is currently checking Verstappen's turbo, hence the Dutchman's limited running this afternoon.
16:16 - Grosjean further lowers his personal best to a 1:21.110 but the Haas driver remains P10 at the moment.
16:11 - In case you were wondering, McLaren-Honda's longest run so far this week is 11 laps!
16:05 - McLaren confirms that the team encountered another eletrical problem this morning. As a reminder, Alonso triggered a pair of red flags by stopping on track.
16:00 - Two hours left in this year's F1 pre-season testing and Raikkonen carries on with his race simulation. Sainz and Alonso are also on track.
15:56 - Grosjean sets off for another run on the ultrasoft tyre. The Frenchman marginally improves to 1:21.389 on his first flyer.
15:54 - Toro Rosso technical director just told reporters in Barcelona that he expects cars to break into the 1min17s when F1 returns for the Spanish Grand Prix in May.
15:51 - Looks like Stroll has already ironed out some of the rough edges that sent him into a series of costly spins last week. The 18-year-old rookie returns to the pits after completing his 99th lap of the day.
15:47 - Palmer moves up three spots following his latest improvement. Raikkonen, Stroll, and Wehrlein are also in action.
15:44 - Alonso finds three tenths but remains 11th fastest at the moment.
15:37 - Raikkonen, Sainz, Perez, and Stroll are all on track at the moment.
15:36 - The Spaniard only completes three laps before returning to the pits.
15:34 - And we have an Alonso sighting!
15:27 - Hamilton shaves five tenths off his previous best to gain one spot in the standings - 1:20.198 for the triple world champion.
15:23 - Six drivers are currently lapping around the Circuit de Barcelona-Catalunya : Raikkonen, Sainz, Perez, Stroll, Hamilton, and Grosjean. All have long runs on their menu.
15:17 - After breaking into the 1min18s this morning, Raikkonen and Ferrari have now entered long-run territory as they carry out a race simulation.
15:12 - After a slow start to the afternoon, the Circuit de Barcelona-Catalunya is getting livelier with Raikkonen, Perez, Hamilton, Grosjean, Palmer, and Wehrlein all in action at the moment.
15:10 - The former GP2 Series - now FIA Formula 2 Championship, winner posts a 1:24.551 on mediums to put his name on the leaderboard.
15:07 - Palmer, who has replaced team-mate Hulkenberg in the Renault R.S.17, sets off to begin his run plan.
15:04 - Hamilton shaves three tenths off his previous best to go 1:20.705 but the Briton remains eighth fastest for the moment.
15:00 - Three hours of running left in 2017's F1 pre-season testing and we currently have Sainz, Stroll, and Hamilton on track.
14:55 - McLaren-Honda has yet to venture out again following Alonso's stoppages in the morning session. Only 19 laps for the Spaniard today so far.
14:50 - The triple world champion is on the ultrasoft compound and moves up to P8 with a 1:21.020 effort.
14:42 - Hamilton also starts his run programme after team-mate Bottas wrapped up his pre-season testing this morning.
14:40 - Wehrlein, who has taken over Sauber team-mate Marcus Ericsson after lunch break, sets off for his first run in the C36. The former DTM champion had to sit out the opening week due to the back injury he sustained last January at the Race of Champions.
14:33 - The seven-time podium finisher heads back out with the VJM10 on the ultrasoft tyre.
14:32 - Perez leaves his box again but the Force India completes a single installation lap before returning to the pits.
14:28 - Still an empty track here at Circuit de Barcelona-Catalunya
14:19 - The Force India ace returns to his garage.
14:15 - Perez pits briefly but the Mexican sets off for another run immediately after.
14:13 - Perez breaks the silence as he heads back out on track in the Force India VJM10.
14:07 - Someone has yet to venture out on track after seven minutes ticked off the final four hours of running.
14:03 - Quick weather update: it's 23.5˚C in the air while track temperature reads 26.2˚C
14:02 - Nobody rushing out just yet.
14:00 - Green flag! And we are back under way for the final afternoon session in this year's F1 Testing
13:55 - Five minutes to go before we are back under way for the final afternoon session at Circuit de Barcelona Catalunya.
13:11 - Until then, how about checking out our Barcelona - Day 8 picture gallery
13:10 - Teams are now on lunch break and F1 testing will resume for the final afternoon session at 14:00, local time.
13:00 - The chequered flag signals the end of the Friday morning session.
12:59 - Raikkonen manages to squeeze another sub 1min19s lap in the SF70H.
12:57 - A flurry of activity sees Verstappen, Sainz, Perez, Raikkonen, Bottas, and Stroll head back out for another run in the closing stages of the final morning.
12:55 - Back to green for the final dash before lunch break.
12:43 - Romain Grosjean causes his second red flag of the day by stopping at Turn 10. That's the fourth interruption this morning.
12:41 - The Finn continues to run, with Bottas, Sainz, and Grosjean also in action.
12:39 - Raikkonen becomes the first driver to break the 1min19s barrier with a 1:18.634 flyer on the supersoft.
12:34 - Sainz improves to edge Stroll for sixth place.
12:26 - The Iceman is running on the supersoft tyre. Fellow Finn Bottas is also out on track.
12:25 - Raikkonen breaks 2017's F1 pre-season testing record with a 1:19.019 flyer.
12:17 - Bottas, Hulkenberg, Stroll, Grosjean, and Ericsson are all on track at the moment.
12:10 - Verstappen improves by four tenths on the supersoft compound to come back within 0.171s of pace setter Raikkonen.
12:09 - Raikkonen sets a new fastest lap on the soft tyre - 1:19.267 for the Finn.
12:06 - We are back to green in Barcelona and a flurry of cars are immediately out on track.
12:01 - Less than one hour of running left this morning at Circuit de Barcelona-Catalunya
11:53 - The McLaren has stopped on track for the second time this morning.
11:52 - Red flag! And it's Alonso again!
11:47 - Perez improves to P6 on his latest soft run: 1:20.950 for the Force India driver.
11:44 - Verstappen shaves half a second off the current benchmark to go 1:19.491 with the supersoft compound.
11:41 - A flurry of improvements see Sainz, Raikkonen, and Ericsson all lower their personal bests. The Toro Rosso ace edges the Ferrari star for P5. Ericsson is behind them in seventh.
11:35 - Grosjean is the only driver in action at the moment. 29 laps in the bank and the fifth fastest time overall for the Frenchman so far this morning with the Haas VF-17 despite causing the first red flag of the day.
11:35 - No team has gone below the 1min19s barrier so far in this year's pre-season testing. Will it happen on the final day of running before the season-opening Australian Grand Prix.
11:30 - Verstappen sets a new fastest lap on a 1:19.852 set with the soft tyre.
11:30 - Former Renault team principal has been spotted in the paddock this Friday. The Frenchman was seen at the Mercedes hospitality... maybe to talk about the German manufacturer's potential Formula E entry? Vasseur also heads Spark Racing Technology, which has been entrusted to supply the chassis for the all-eletric single-seaters since the inaugural FE season.
11:28 - Verstappen, Bottas, Ericsson, and Grosjean are all on track at the moment
11:26 - And we're back under way at Circuit de Barcelona-Catalunya
11:24 - According to renowned German-language publication Auto Motor und Sport, Mercedes has already racked up 1,104 laps with two engines against 398 laps for Honda with six power units!
11:18 - Here is a picture of the stricken MCL32
11:16 - McLaren fans won't be pleased to hear that Alonso has stopped on track...
11:15 - And we have our second red flag of the day!
11:13 - Ericsson completes his 40th lap in the morning session. Bottas, Perez, and Alonso are also in action at the moment.
11:09 - Hulkenberg's latest effort was a 1:22.444; 1:23.090 for Bottas and 1:24.387 for Pérez.
11:00 - Two hours into the final day of pre-season testing and Hulkenberg leads the way for Renault. On track at the moment are Verstappen, Bottas, Raikkonen, and Ericsson.
10:58 - Raikkonen also lowers his personal best to go fifth fastest.
10:57 - Stroll improves to third quickest with his lastest run on softs - 1:20.335 for the Canadian teenager.
10:56 - Check out our nice selection of picture from today's action in our Barcelona - Day 8 gallery.
10:53 - Ericsson shoots up to fifth quickest for Sauber on the supersoft tyre - 1:22.254 for the Swede.
10:49 - Hulkenberg improves the current benchmark to a 1:19.885 on the ultrasoft compound.
10:49 - Verstappen's first timed effort is already good enough for P2 with a 1:20.221 for the Dutchman.
10:45 - Pace setter Hulkenberg and Verstappen go immediately out on track.
10:45 - And we are back to green at Circuit de Barcelona-Catalunya.
10:30 - Red flag! Grosjean has beached his Haas VF-17 at Turn 5. The Frenchman is in the gravel trap.
10:25 - The Finn, who was drafted from Williams to replace Nico Rosberg in the wake of his stunning retirement, improves to second quickest on the soft Pirelli compound. Stroll, Ericsson, and Grosjean are also on track.
10:21 - Bottas heads back out. Only three laps completed by the Mercedes driver so far this morning, which ranks much below the team's testing standards this winter.
10:18 - Hulkenberg finds a couple more tenths on the ultrasoft compound to go 1:20.248 and cement his first place in the today's standings - 1:20.248
10:14 - The reigning European F3 champion shaves two tenths off his previous best but remains second quickest behind Hulkenberg.
10:12 - Stroll has already completed 26 laps this morning. Only four installation laps for Verstappen. More ERS woes for the Renault-powered Red Bull?
10:07 - Raikkonen improves his personal best on the medium compound. The Finn improves to third quickest on a 1:22.261
10:04 - Hulkenberg sets a new benchmark on a 1:20.505. The Renault driver is on the supersoft compound.
10:00 - Sainz improves to second fastest with a 1:22.638 in the Toro Rosso STR12. Stroll still leading the way 60 mins into the final day of testing.
09:52 - Perez sets off for a new stint in the Mercedes-powered VJM10.
09:48 - Stroll and Ericsson currently lapping around Circuit de Barcelona-Catalunya.
09:46 - And we have a new leader in Stroll. The Williams rookie clocks a 1:22.123 on the soft tyre.
09:45 - Alonso has switched to the ultrasoft compound and vaults himself up to second fastest on a 1:22.731 flyer.
09:40 - Perez and Ericsson are also lapping on the same unmarked compound.
09:39 - The Ferrari driver picks up the pace to log a 1:22.704 on unmarked Pirelli tyres.
09:36 - Raikkonen heads out on track.
09:36 - The Force India improves to a 1:24.163
09:34 - Perez clocks his first lap time - 1:26.826
09:29 - Stroll goes fastest overall after improving Bottas' previous benchmark by 0.045s. The 18-year-old is running on Pirelli's yellow-striped soft tyres.
09:25 - More times are coming in with Ericsson clocking a 1:27.831 and Alonso putting his McLaren-Honda MCL32 on the board courtesy of a 1:27.874 effort. Both drivers are running on the soft compound.
09:21 - The Canadian teenager is currently lapping around Circuit de Barcelona-Catalunya with Ericsson and Sainz.
09:18 - Stroll puts the Williams on the leaderboard with a 1:23.439 effort.
09:10 - All 10 drivers have gone out to complete at least one installation lap.
09:08 - The Finn has gone out on Pirelli's ultrasoft compound and set the first lap time on a 1:22.809
09:03 - Bottas sets off for his maiden run in the W08.
09:02 - Also out are Sainz, Raikkonen, Alonso, and Stroll.
09:01 - Grosjean and Ericsson immediately head out on track.
09:00 - Green flag! The final day of pre-season testing gets under way at Circuit de Barcelona-Catalunya
08:50 - Other names that will feature on the timesheets today are Haas' Romain Grosjean, Ferrari's Kimi Raikkonen, Red Bull's Max Verstappen, Williams' Lance Stroll, and Force India's Sergio Perez.
08:45 - Local fans will be pleased to see Fernando Alonso and Carlos Sainz in action at McLaren-Honda and Toro Rosso. The British team cannot be satisfied with how pre-season testing has gone so far with reliability engine problems aplenty limiting McLaren's running.
08:40 - Here are the drivers we will see in action today: Valtteri Bottas and Lewis will continue to share testing duties at Mercedes. The Finn runs in the morning before his team-mate takes over for the afternoon session. Same organisation at Renault - with Nico Hulkenberg up first and Jolyon Palmer replacing him after lunch break - and Sauber running Marcus Ericsson in the morning before Pascal Wehrlein wrap things up.
08:36 - There have been many storylines over the two sessions held at the Spanish Grand Prix but performance-wise Ferrari seems to be on the right track, with the Scuderia also showing impressive reliability with its new SF70H. On the penultimate day, Sebastian Vettel not only set the fastest time overall of the winter, the four-time world champion also led the lap count.
08:32 - Hello and welcome to F1i's live coverage of the eighth and final of this year's Formula 1 pre-season testing from Circuit de Barcelona Catalunya.