Villoresi skidded on oil, penetrated a barrier, and killed three spectators at the Grand Prix des Nations race in Geneva (Switzerland). Nino Farina impacted Villoresi's car at high speed but was uninjured. Villoresi broke his left leg and suffered head injuries which were treated at a hospital. The Grand Prix of 272 kilometres was won by Juan Manuel Fangio. The 1951 British Grand Prix was taken by José Froilán González of Argentina. Villoresi finished third, two laps behind the winner, with an average speed of . Villoresi completed 88 laps, 2 behind Gonzalez.