The 1951 Formula One season, marking the fifth season of FIA Formula One racing, spanned from 27 May to 28 October, comprising eight races that counted towards the World Championship of Drivers, alongside 14 non-championship races. This season witnessed a significant shift in the competitive landscape, with Ferrari’s introduction of their new 4.5-litre cars, challenging the dominance of the Alfa Romeos. Notably, the British Grand Prix made history as José Froilán González won in a Ferrari, marking the first Grand Prix victory for Enzo Ferrari’s team. Points were awarded to the top five finishers in each race, with the best four of eight scores counting towards the championship.
Key moments of the season included Juan Manuel Fangio winning the Swiss Grand Prix, despite hazardous rain-soaked conditions. The Indianapolis 500, an anomaly in the championship for its distinct regulations, was won by Lee Wallard. The season’s climax came at the Spanish Grand Prix in Barcelona, where Fangio secured his first of five world championships after winning the race. Alberto Ascari, driving for Ferrari, posed a significant challenge throughout the season but ultimately finished second in the championship standings, behind Fangio.