Hamilton admits title chase will be "tough"
Lewis Hamilton admitted that winning a record eighth world championship will be very difficult after Max Verstappen extended his lead at the top of the standings.
Tense race in Texas
Hamilton took the lead going into the first corner but an early pit stop from his Red Bull rival saw him drop down to second in what was a tense strategic battle.
With Verstappen beginning to lose grip late on, Hamilton's Mercedes made a charge and was closing down with just a few laps remaining.
I am living in the moment and will take it one race at a time.Lewis Hamilton
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However, he couldn't muster an opportunity to overtake and had to settle for second, with Verstappen's teammate Sergio Perez completing the podium.
It ended Mercedes' recent dominance of the US Grand Prix, with the Silver Arrows winning five of the previous six editions prior to Sunday's race.
Calendar works for Red Bull
Verstappen's win was Red Bull's first in Texas since Sebastian Vettel in 2013 and extended his advantage at the top of the table.
With the next couple of races in Mexico and Brazil suiting the Red Bull car more due to the high altitude, Hamilton says he will have to dig deep to surpass Michael Schumacher and their shared record.
"We are going to the next two tracks which are very strong circuits for Red Bull, so it is going to be tough," said the 36-year-old. "I am trying not to think about it at the moment, but be happy with the job I did today.
"I am living in the moment and will take it one race at a time."