His victory in Portimao was the 92nd of his career, moving past the German’s previous record of 91.
Having started on pole, Hamilton squandered his lead on the opening lap but after reclaiming it on the 20th lap, he held off all competitors to further extend his lead at the top of the driver’s championship.
The British driver finished comfortably clear of his Mercedes teammate Valtteri Bottas in second, while Red Bull driver Max Verstappen finished in third.
“I could never have dreamed of being where I am today,” Hamilton told Sky Sports afterwards. “I didn’t have a magic ball when I chose to come to this team and partner with great people, but here I am and what I can tell you is I’m trying to make the most of it every single day.
“It’s going to take some time to sink in. I was still pushing flat out coming across the line, I’m still very much in race mode mentally. I can’t find the right words at the moment.”