The1000 Kilometres of Paris was anendurance race, mainly forsports cars, which was held at theAutodrome de Linas-Montlhéry inFrance from 1956 to 1995.
The event is calledGrand Prix of the Automobile Club of Île-de-France. Following the accident of the 24 Hours of Le Mans 1955 and the measures taken by the public authorities, the safety conditions of the Linas-Montlhéry autodrome were improved; in particular 34 stands, with access to refueling, were built. AMaserati 300S win at the average speed of 150.239 km/h. AGordini T15S finished in eighth place, a DB Panhard at the thirteenth, a Ferry[1] powered byRenault at the fourteenth and a Vernet-Pairard — also powered byRenault — at the sixteenth. The three Panhard Monopoles did not finish.[2]
The race became part of theWorld Sportscar Championship.René Bonnet andCharles Deutsch each line up a 1000 cm3 prototype powered byRenault andPanhard. The domination of theFerrari 250 GTO was unchallenged in the first six places:Pedro andRicardo Rodriguez win another victory at 157,727 km/h average.
The race was interrupted after 540 km. The fourFerrari F40s entered in theGroup GT1 were broken, as was theMcLaren F1 GTR; only aVenturi 600 LM had saved the GT1's honor by finishing in fourth place.
Prior to 1956 other races were held at Montlhéry for touring cars.[10] These included:
Grand Prix Tourisme of theAC.F.
24 Hours of Paris
8 Hours of Montlhéry
12 Hours of Paris
Grand Prix of the AC.F. (French Grand Prix)