Live coverage coming soonpublished at 19:47 British Summer Time 27 October 2017
BBC Radio 5 live sports extra
We will have live commentary on BBC Radio 5 live sports extra from 19:55 BST.
Click at the top of this page to listen along.
Summary
Red Bull's Daniel Ricciardo quickest in second practice
Lewis Hamilton second, Max Verstappen third & Sebastian Vettel fourth
Valtteri Bottas fastest in first practice at Mexico City track
Hamilton could secure title on Sunday - needs to finish fifth
Saturday: Third practice 15:55-17:05; Qualifying 18:55-20:05
Live coverage coming soonpublished at 19:47 British Summer Time 27 October 2017
Who is facing grid penalties?published at 19:43 British Summer Time 27 October 2017
As always at this time of the season teams and drivers get penalised for using too many engines or other rule infringes.
At the moment these guys are the ones being punished..
- 5-place grid penalty - Pierre Gasly (Toro Rosso)
- 20-place grid penalty - Fernando Alonso (McLaren)
- 35-place grid penalty - Stoffel Vandoorne (McLaren)
Will anyone join this list? Second practice gets under way in 15 minutes time.
get involved Get Involved #bbcf1published at 19:40 British Summer Time 27 October 2017
Who is your favourite Formula 1 driver of all time and why?
Earlier on, we asked who is your favourite Formula 1 driver and why?
Here are some more of your comments.
Kenny Hanna: Definitely Senna but Mika Hakkinen worth a mention also!
GM1992: James Hunt, a great character on and off the race track.
Paul Frankenstein: I've yet to know of better than Juan Manuel Fangio. What the man achieved at the time....
Image source, Getty Images'The damages are not too big'published at 19:36 British Summer Time 27 October 2017
Force India's Esteban Ocon, who has finished in the points in 11 successive races, is hopeful that there is not too much damage done to his car after Alfonso Celis, attacking a corner too quickly, spun and clipped the wall.
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End of twitter postThe strugglers...published at 19:35 British Summer Time 27 October 2017
...and these were the bottom 10. Stoffel Vandoorne suffered engine problems and Alfonso Celis, stepping in for Esteban Ocon, sent his car into the wall.
Image source, .Earlier on...published at 19:33 British Summer Time 27 October 2017
In case you missed it earlier on, this is how the drivers finished in the first practice session.
These were the top 10...
Image source, .Welcome backpublished at 19:31 British Summer Time 27 October 2017
Hello again.
Back at 19:30 BSTpublished at 17:48 British Summer Time 27 October 2017
And we are going to leave it there for a while.
Second practice starts at 20:00 BST and this page will be up and running again at 19:30 BST so hopefully you can join us then.
Until then, bye for now.
Who will top qualifying in Mexico?published at 17:47 British Summer Time 27 October 2017
Image source, Rex FeaturesSo, we've had our first look at the cars this weekend and now it's time to predict what's going to happen.
Can Lewis Hamilton seal a fourth drivers' championship on a track loved by Ferrari? Predict who will top qualifying for the Mexican Grand Prix.
get involved Get Involvedpublished at 17:42 British Summer Time 27 October 2017
#bbcf1
Jeremiah Kariuki: That's one session Bottas will be so happy about. In total control as it's been a while since he topped #FP1, external session.
Hamilton second in Mexican GP practicepublished at 17:40 British Summer Time 27 October 2017
Andrew Benson
BBC Sport’s chief F1 writer
Image source, ReutersValtteri Bottas headed team-mate Lewis Hamilton to a Mercedes one-two in first practice at the Mexican Grand Prix.
The Finn, who has struggled in recent races, was 0.466 seconds quicker than Hamilton, who is aiming to clinch his fourth world title on Sunday.
Hamilton needs only to finish fifth regardless of where Ferrari's Sebastian Vettel is to become world champion.
Vettel was fifth behind the Red Bulls of Max Verstappen and Daniel Ricciardo.
'Could be very, very close'published at 17:37 British Summer Time 27 October 2017
Andrew Benson
BBC Sport’s chief F1 writerI would say we've learnt that it could be very, very close. The gap is 7/10ths between first and Vettel in fifth.
Classificationpublished at 17:36 British Summer Time 27 October 2017
And these are all the times that matter.
Image source, F1Bottas fastestpublished at 17:32 British Summer Time 27 October 2017
BreakingLewis Hamilton was fastest in all three practice sessions, all three sections of qualifying and won the race in the United States.
But he is not fastest today. That honour goes to his team-mate Valtteri Bottas. Hamilton second, then come the Red Bulls of Max Verstappen and Daniel Ricciardo, followed by the Ferraris of Sebastian Vettel and Kimi Raikkonen.
Sergio Perez entertains the home fans by coming 'best of the rest' in seventh.
Image source, Getty ImagesMinogue watching onpublished at 17:31 British Summer Time 27 October 2017
Singer Kylie Minogue is loving the Formula one action. Or, maybe just Renault's tweet about Carlos Sainz's 'dancing'.
Image source, .Postpublished at 17:28 British Summer Time 27 October 2017
Williams' Lance Stroll is not too happy. In the last few laps we have heard him moaning about someone in front of him, the fuel and the pace of the car. He is 12th.
Not good news either for Carlos Sainz in his Renault. He locks up his tyres and slides on to the grass.
Image source, Rex FeaturesFive leftpublished at 17:26 British Summer Time 27 October 2017
Five minutes to go. Valtteri Bottas is showing what he is made of so far today and it is well needed for the Finn after coming fifth in Malaysia, fourth in Japan and fifth again last week in the United States.
Top 10: Bottas, Hamilton, Verstappen, Ricciardo, Vettel, Raikkonen, Perez, Alonso, Massa, Hulkenberg.
Image source, Getty ImagesSpeed trappublished at 17:21 British Summer Time 27 October 2017
Haas' Kevin Magnussen is doing great on the speed trap, but not so great overall as he is 18th fastest out of 20.
Only Alfonso Celis, who pranged the Force India earlier and is taking no further part in this session, and Stoffel Vandoorne, not seen so far because of a dodgy engine, are lower in the standings.
Image source, F1Postpublished at 17:18 British Summer Time 27 October 2017
Sergio Perez has just moved quicker than Fernando Alonso. Up to seventh for the Mexican.
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End of twitter postHow they standpublished at 17:17 British Summer Time 27 October 2017
The two Mercedes (Bottas and Hamilton) still lead the way, then the two Red Bulls now (Verstappen and Ricciardo) and then the two Ferraris (Vettel and Raikkonen).
Fernando Alonso is best of the rest, seventh quickest in his McLaren.
Image source, Getty Images