Final day of pre-season testing from Sakhir - Verstappen fastest
Red Bull reveal new upgrade as Hamilton unhappy with Mercedes car
Horner now happy with Mercedes design following complaints on Thursday
F1 2022 season opener takes place in Bahrain next weekend
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1. Sergio Perez (Red Bull, 43 laps) - 1:33.105
2. Guanyu Zhou (Alfa Romeo, 82 laps) - +0.854s
3. Pierre Gasly (Alpha Tauri, 91 laps) - +1.76s
4. Carlos Sainz (Ferrari, 68 laps) - +1.8s
5. Fernando Alonso (Alpine, 54 laps) - +2.223s
Sergio Perrez, complete with upgraded sidepods and floor, is the quickest driver in the Red Bull of this morning session in Bahrain with a 1:33.105.
That was thrilling.
System works, so tick that off the check list.
Go! Go! Go!
Pierre Gasly leads heading into Turn One...
Extra formation lap for our four drivers out on track.
Best to get a move on as there are only two minutes left of the session.
Ah no. The start has been aborted and the excitement levels have been dialled back down.
I'm nervous.
The man in charge of the buttons looks ready to activate the standing start...
Pierre Gasly leads out the drivers, followed by Sergio Perez, Guanyu Zhou and Lance Stroll.
Let's go racing! Maybe...
Two minutes to go until "the race will resume" with a standing start.
Ferrari don't seem bothered, Carlos Sainz is out of the car for a well-earned stretch.
Mini Checo is in the Red Bull garage, too.
Here's Charles Leclerc, dressed in his jeans and Ferrari T-shirt, to have a little check on his team-mate Carlos Sainz's progress this morning.
Image source, Getty ImagesA red flag test is taking place, so everyone comes back into the pits.
#bbcf1
Steven Teale: After having watched Hamilton and Gasly driving head to head on track for a few laps, what can be said about the Mercedes being 3+ seconds slower than the Red Bull? Can we read anything into it?
John Petrie: Mercedes are not going all out but neither are Ferrari and Red Bull. Mercedes will need to improve over the first group of races because others seem to have the edge at the moment.
Kevin Magnussen was out early this morning, trying to make up the lost time for Haas after Thursday's problems.
Sadly, it's not going well for the team today...
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The Williams of Nicholas Latifi is causing a bit block for the Ferrari of Carlos Sainz.
Thankfully, race mode isn't activated just yet and Sainz breezes past the Canadian driver with minimum fuss.
As Seb takes his seat with engineers, team-mate Lance Stroll is tearing around the track in the Aston Martin and completes his 50th lap of the morning.
The Canadian get improve to move up the timing sheets and stays in eighth place with a 1:36.029.
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1. Sergio Perez (Red Bull, 32 laps) - 1:33.105
2. Guanyu Zhou (Alfa Romeo, 70 laps) - +0.854s
3. Pierre Gasly (Alpha Tauri, 81 laps) - +1.76s
4. Carlos Sainz (Ferrari, 59 laps) - +1.8s
5. Fernando Alonso (Alpine, 54 laps) - +2.223s
Nicholas Latifi suffers a slight wobble at Turn 10 and goes off the track for a moment before correcting the Williams and ploughing on to complete lap 62.