Summary

  • Lando Norris ends opening day quickest in the McLaren

  • George Russell for Mercedes second, Red Bull's Max Verstappen third

  • Lengthy delay during afternoon session due to circuit-wide power cut

  • First look at Lewis Hamilton for Ferrari

  • Day two starts at 07:00 GMT on Thursday

  • Season-opening Australian Grand Prix 14-16 March

  • Verstappen aiming for fifth consecutive drivers' title in 2025

  • McLaren begin defence of constructors' championship

  • Get involved: #BBCF1

Live Reporting

Tasnim Chowdhury

  1. Charles Leclerc is back in the Ferrari garage. The engineers have been working away at his car.

  2. Lance Stroll has left the Aston Martin garage, he's on a fast lap down the circuit.

  3. Oh dear. George Russell had stopped in the pit lane for a bit, but he managed to get the car going.

  4. Max Verstappen is back out on track. He's gone purple in sector one.

    He has completed 48 laps so far in this session.

  5. An hour to go

    Lando NorrisGetty Images

    There is just under an hour to go of testing.

    If you're joining us now and wondering why there's an hour left, the afternoon session was on pause for about an hour after a power cut on the track.

    An extra hour has been given to compensate for the time lost.

  6. Lance Stroll is yet to leave the Aston Martin garage. His laps remain at 21.

    Meanwhile Esteban Ocon is the first driver to clock 59 laps, going past the usual 57 Bahrain grand prix laps.

  7. Charles Leclerc runs a little wide as he runs down the track.

    He's not managed to pip McLaren's Lando Norris to the top, but he continues down the circuit.

    Charles LeclercGetty Images

  8. Max Verstappen is back in the Red Bull garage as engineers work on the car. It looks like they are changing their set up.

  9. Norris showing pace

    Chris Medland
    F1 journalist in Bahrain

    Lando Norris goes to the top of the times with his latest attempt on C3 tyres. A 1:30.430 puts him 0.448s clear of Charles Leclerc, and is just half a second off the overall fastest time of testing last season.

  10. "Rain should go in 10 minutes" Esteban Ocon is told by his race engineer.

  11. Rain continues to fall in Bahrain, as drivers let their teams know on the radio.

  12. Laps completed

    Lando Norris has banked 23 laps, Charles Leclerc is on 42, George Russell and Carlos Sainz are on 37, Max Verstappen on 45.

    Pierre Gasly has completed 39 laps, Isack Hadjar is on 47 laps, Lance Stroll on 21, Gabriel Bortoleto is on 30 and Esteban Ocon has banked the most laps so far with 50.

  13. Carlos Sainz is slowly creeping up the leaderboard. He has now put his Williams in fifth now, 1:31.338 is his lap time.

  14. Lando Norris is on a fast lap. He's gone purple in sector one and sector two...

    He jumps up to the top spot, with a lap time of 1:30.430.

  15. Afternoon session extended

    "Following the power outage during Bahrain Pre-Season Testing, the FIA, Formula 1, and the teams have agreed to extend this afternoon's session by one hour to compensate for the time lost under the red flag. The session will now conclude at 20:00 local time (17:00 GMT)."

  16. Session will end at 20:00 local time.

    The afternoon session has been extended by an hour.

  17. Lando Norris is back out on the track in the McLaren.

    There is under 30 minutes left of the afternoon session.

    Session time could be extended, but I will let you know once there's confirmation.

  18. Team radio - Sainz to Williams

    "It's starting to rain a bit"

  19. Carlos Sainz whizzes out of the Williams garage. We'll see him on a fast lap shortly.

  20. Top five

    1. Charles Leclerc (Ferrari)

    2. George Russell (Mercedes)

    3. Lando Norris (McLaren)

    4. Max Versttappen (Red Bull)

    5. Pierre Gasly (Alpine)