This year marks the first that two quadruple champions are competing in the same season and their battle to see who joins Argentine legend Juan Manuel Fangio in second place on the all-time list with five titles promises to light up the series.
Triple world champion Lewis Hamilton produced a moment of Montreal magic on Saturday to put his Mercedes on pole position for the Canadian Grand Prix and equal Ayrton Senna's career haul of 65.
Fresh from his 50th Formula One win, triple world champion Lewis Hamilton remains convinced anything is possible in the title race even if he could lose his crown as early as Sunday.
Finnish team mate Kimi Raikkonen, who started on pole for the first time in nine years but lost the lead in the pitstops, made sure of a Ferrari one-two with Hamilton finishing seventh for Mercedes after starting 13th.
Red Bull's quadruple World champion Sebastian Vettel won the US Grand Prix on Sunday to become the first Formula One driver to take eight consecutive victories in a single season. Starting from pole, the 26-year-old German was again in a class of his own, taking the chequered flag 6.2 seconds clear of Frenchman Romain Grosjean in a Lotus.
Lewis Hamilton heads into Sunday's Hungarian Grand Prix fired up to complete a hat-trick of victories and seize the lead in the Formula One title race for the first time this season.