The 2018 FIA Formula One World Championship was the motor racing championship for Formula One cars and the 69th running of the Formula One World Championship . Formula One is recognised by the governing body of international motorsport , the Fédération Internationale de l'Automobile (FIA) , as the highest class of competition for open-wheel racing cars . Drivers and teams competed in twenty-one Grands Prix for the World Drivers' and World Constructors' championship titles.
For the second consecutive year, the season featured a title battle between Mercedes and Ferrari . The 2018 season saw two four-time World Champions, Lewis Hamilton and Sebastian Vettel , as the main Championship challengers. It was the first time in Formula One history, two quadruple world champions would be competing for a fifth title, and the season was billed as the "Fight for Five" by journalists and fans. [ 1 ] [ 2 ] [ 3 ] The championship lead ebbed and flowed between the two title conten...
In 2018, the championship saw the introduction of a new cockpit protection device, known as the "halo" . The introduction of the halo was the first stage of a planned rollout that would see the device adopted in all FIA-sanctioned and non-FIA-sanctioned open wheel series by 2020.