Bottas was again signed to race with Mercedes for the 2019 season alongside world champion Lewis Hamilton. In the first race weekend of the year in Australia, Bottas qualified second fastest behind Hamilton. On Sunday, 17 March, race day, he overtook Hamilton into turn 1 and he held the position the whole race after some stellar driving. He also recorded the fastest lap of the race and therefore gained the extra point awarded to the driver who records the fastest race lap, according to the 2019 regulations. He carried on to win by over 20 seconds to his nearest rival and team-mate Lewis Hamilton.