Summary

  • Hamilton takes dominant pole, Vettel 2nd, Bottas 3rd

  • Hamilton could win title this weekend

  • Get involved #bbcf1

  1. Verstappen hit with 15-place grid penaltypublished at 17:45 British Summer Time 21 October 2017

    Andrew Benson
    BBC Sport’s chief F1 writer in Austin

    FIA confirms 15-place grid penalty for Verstappen.

  2. get involved

    Get Involved #bbcf1published at 17:44 British Summer Time 21 October 2017

    Times you met an F1 personality

    Remember, we are after your meetings with F1 celebrities. Here is another one.

    GG Baxter‏: Served Jackie Stewart at the BRDC, caught me watching TV against bosses wishes, Overruled him let me watch ENGvsSWE from the corner.

  3. New track record for Hamiltonpublished at 17:42 British Summer Time 21 October 2017

    Lewis Hamilton has just set a new track record with a lap of 1:34.478, beating his previous record at the Circuit of the Americas, which was set yesterday with an effort of 1:34.668.

    It came seconds after Vettel had beaten Hamilton's time yesterday.

    Hamilton is now 0.092 seconds ahead of the German. This could well be a fascinating qualifying session later on today.

    Lewis HamiltonImage source, Getty Images
  4. Virtual safety car overpublished at 17:41 British Summer Time 21 October 2017

    That's the end of the virtual safety car done with after Romain Grosjean met the gravel, so expect a few changes late on with 20 minutes left of this session.

    Most of the garages are empty, ultra-soft remains the tyre of choice for the masses.

  5. get involved

    Get Involvedpublished at 17:39 British Summer Time 21 October 2017

    #bbcf1

    Amit Mandalia: I have to say, the thing I’m most fascinated by for the remainder of the season is Sainz v Hulkenberg at Renault.

    Sainz is eighth fastest and Hulkenberg 12th fastest so far today.

    The top 10...

    1. Hamilton
    2. Vettel
    3. Bottas
    4. Raikkonen
    5. Ricciardo
    6. Alonso
    7. Ocon
    8. Sainz
    9. Massa
    10. Vandoorne
    Nico HulkenbergImage source, Getty Images
  6. get involved

    Get Involvedpublished at 17:38 British Summer Time 21 October 2017

    #bbcf1

    Jeremiah Kariuki‏: Romain Grosjean is having a wheel spinning and swearing session in the gravel!

    Kayleigh: Grosjean trying to get stuck in the gravel trap for every race for the rest of the season!

  7. 'An unexpected slide'published at 17:36 British Summer Time 21 October 2017

    We hear from Max Verstappen after his recent spin. "An unexpected slide, a massive loss of rear grip, also the tyres were really cold in turn one," says the Red Bull man, who yesterday signed a new deal to keep him with the team until 2020.

    Max VerstappenImage source, Getty Images
  8. Grosjean in the gravelpublished at 17:31 British Summer Time 21 October 2017

    Bad news for Grosjean, who is wedged in the gravel and he won't be going anywhere for a while. It has been a weekend to forget so far for Haas in their home grand prix. We are now under a virtual safety car.

    We hear from the team radio. Let's just say he's not too chuffed.

    It came after Red Bull's Max Verstappen spun at the same corner, although the Dutchman was able to get the car back on the track.

    That will be the end for Grosjean in this practice session, who trudges back, unhurt, back to the garage.

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  9. Problems for Kvyatpublished at 17:28 British Summer Time 21 October 2017

    "Something wrong with the car guys, I had a suspicion at the end of the second lap," says a worried Daniil Kvyat, who is unhappy with the car's steering.

    Not what he needs in what could be a make-or-break weekend in his Formula 1 career.

    Of the laps the Toro Rosso driver has completed, he is only 16th quickest.

  10. Postpublished at 17:27 British Summer Time 21 October 2017

    If you take out Mercedes, Red Bull and Ferrari, Fernando Alonso was the best of the rest in session two, and that is his position again today as he is sixth, with Max Verstappen only having done a few laps.

  11. Texas sunpublished at 17:25 British Summer Time 21 October 2017

    No rain clouds in sight for today's practice and qualifying sessions at the Circuit of the Americas.

    Austin, TexasImage source, Getty Images
  12. Hamilton leads in session threepublished at 17:23 British Summer Time 21 October 2017

    All change at the top. Lewis Hamilton, leading Sebastian Vettel, with Valtteri Bottas up to third to demote Kimi Raikkonen to fourth.

    Hamilton's time is 1:35.125, but there is still time to shave off as his best effort yesterday was an effort of 1:34.668. But yet another ominous sign for his competition.

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  13. Verstappen facing a penaltypublished at 17:20 British Summer Time 21 October 2017

    Andrew Benson
    BBC Sport’s chief F1 writer in Austin

    New engine and MGU-H for Verstappen - grid penalty looming.

  14. Postpublished at 17:18 British Summer Time 21 October 2017

    By the way, the ultra-softs, which saw the most success yesterday, are the tyre of choice again for the fastest drivers so far.

    The tyres have changed colour from normal as they are pink for this race, instead of the usual purple, to highlight Breast Cancer Awareness Month.

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  15. Postpublished at 17:17 British Summer Time 21 October 2017

    Now the big names are getting going. Kimi Raikkonen jumps to the top with a lap of 1:35.562, Valtteri Bottas is second and Lewis Hamilton third.

    Early signs of a better day for Ferrari already?

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  16. get involved

    Get Involved #bbcf1published at 17:15 British Summer Time 21 October 2017

    Times you met an F1 personality

    Warren Bremner‏: Nice heliport, chap in dinner jacket, bow tie & tartan trousers. Turn to mate & say "who does he think he is, Jackie Stewart?" It was Sir Jackie.

    Tell us your stories of your meetings with F1 personalities via the hashtag #bbcf1

  17. New-look Hamiltonpublished at 17:14 British Summer Time 21 October 2017

    A new day, a new look for Lewis Hamilton.

    BBC Sport app users may need to click on the link to see the tweet.

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  18. New Zealander Hartley out on track early onpublished at 17:12 British Summer Time 21 October 2017

    Brendon Hartley is one of the first drivers out today, opting for the super-softs with some others on the ultra-softs.

    Hartley is the first Formula 1 driver from New Zealand in 33 years (since Mike Thackwell in 1984) and to celebrate, here is a giant New Zealand flag for you.

    New Zealand flagImage source, BBC Sport
  19. Who will top qualifying?published at 17:08 British Summer Time 21 October 2017

    There's still time to make your predictions for who you think will qualify in the top three for Sunday's race.

    Is Lewis Hamilton set for a 72nd career pole? Or will Sebastian Vettel's Ferrari finally find some form?

    Make your selection here.

    Remember, qualifying gets going at 22:00 BST.

    US GP Grand Prix predictionsImage source, Getty Images
  20. Let's gopublished at 17:04 British Summer Time 21 October 2017

    And we are under way. One hour of final practice. Stoffel Vandoorne of McLaren is one of the first to get going.