Maria Teresa de Filippis was an Italian racing driver, and the first woman to race in Formula One. She participated in five World Championship Grands Prix, debuting on 18 May 1958, but scored no championship points. Though her Formula One racing career was brief, she won races in other series and is remembered as a pioneer in the sport.

The Maserati 250F was a racing car made by Maserati of Italy used in '2.5 litre' Formula One racing between January 1954 and November 1960. Twenty-six examples were made.