Argentine Grand Prix. Won by Juan Manuel Fangio in a Mercedes.
Buenos Aires, Argentina...In what might have been the highest temperatures a F1 championship GP was contested, Juan Fangio won the Argentine GP in a Mercedes. Due to the excessive heat, only locals Fangio and 5th finisher Roberto Mieres completed the entire 233 miles without relief drivers. Some cars had three different drivers and some drivers drove relief in more than one car. The Ferrari of Giuseppe Farina/Froilan Gonzales/Maurice Trintignant finished 1 minute, 30 seconds behind, with the Ferrari driven by Umberto Maglioli/Farina/Trintignant in third. Only 7 of the 21 starters finished the 3 hour race.