Hamiton was overtaken by Bottas within the closing phases of the 56-lap race on the Circuit of Americas in Texas with Crimson Bull’s Max Verstappen taking the ultimate spot on the rostrum.
Hamilton’s 10th victory of the season in Mexico final weekend had left him needing simply 4 factors to attain an unassailable lead within the standings and he duly delivered.
“What an unbelievable weekend, I am unable to consider it, I actually cannot consider it,” mentioned Hamilton over race radio on the end of a punishing race.
Solely Michael Schumacher with seven world titles stands forward of Hamilton, who has surpassed the legendary Juan Manuel Fangio within the all-time record.
Bottas, who began from pole, with Hamilton solely fifth on the grid, was successful for the fourth time this season, hitting the entrance for the ultimate time with three laps to go to finish a wonderful victory, the seventh of his profession.
“It is a good win,” mentioned the Finn. “Personally, I failed on my goal this 12 months, however Lewis deserves it. He is had a superb season.”
Mercedes gambled on a one-stop pit technique for Hamilton, however with fading tires he was unable to carry off the charging Bottas and was hanging on for second spot from Verstappen on the end.
But it surely mattered little as he clinched his third straight championship with two races of the season left and to maneuver inside touching distance of Schumacher.
“It’s overwhelming if I’m trustworthy,” mentioned Hamilton. “I really feel a lot emotion. “I used to be pushing as arduous as I may at the moment and I used to be hopeful I may win however I did not have sufficient left within the tires.”
Hamilton was including the 2019 title to earlier triumphs in 2008, 2014, 2015, 2017 and 2018 and at 34 years of age reveals little signal of letting up.
“I do not learn about what number of championships I can win, however as an athlete I really feel as contemporary as I could possibly be. We’ll maintain pushing,” he mentioned.
Sunday’s race proved one other tough afternoon for Ferrari, with each their vehicles dropping again in the beginning as they struggled for grip.
Sebastian Vettel was brilliantly overtaken by Hamilton, who additionally made his well past Charles Leclerc into third place within the opening flurry of exercise.
Vettel ultimately retired with damaged suspension, whereas Leclerc completed a distant fourth, not the best way Ferrari crew boss Mattia Binotto needed to have a good time his 50th birthday.
Alex Albon completed fifth within the second Crimson Bull with Daniel Ricciardo in sixth for Renault.
Hamilton has two extra races this season in Brazil and Abu Dhabi so as to add to his profession tally of 83 wins and to shut on the all-time report of 91, held by ex-Ferrari ace Schumacher.
However with the outstanding consistency of his crew, which has seen him end within the factors for 31 successive races and to take his tally of podium finishes to 150, few would again towards Hamilton from surpassing all of the information in a profession that began in 2007 with McLaren, taking his first world title with them a 12 months later.
“Lewis remains to be very motivated and you’ll see he needs to win each single race,” mentioned Mercedes crew principal Toto Wolff.
“So long as that’s the case, he can go for extra. We have to present him with a superb automotive. There is no such thing as a restrict.”