Formula One French Grand Prix, pre-date the formation of the World Championship and were incorporated into the championship as Formula One races in 1950. The British and Italian Grands Prix are the only events to have been held every Formula One season; other long-running races include the Belgian, German and French Grands Prix. The Monaco Grand Prix, first held in 1929 and run continuously since 1955, is widely considered to be one of the most important and prestigious automobile races in the world. Traditionally each nation has hosted a single Grand Prix, which carries the name of the country. If a single
Circuit de Spa-Francorchamps leads to Blanchimont. Here, the new short Grand Prix track of 1979 joins the old layout. Eighteen Formula One World Championship Grands Prix were run on the Spa-Francorchamps circuit's original configuration, which was boycotted by F1 in 1969, before the revised circuit banished it to the history books in 1979. The lap record of the old triangle-shaped track is 3 minutes and 13.4 seconds, held by the French driver Henri Pescarolo, driving a Matra at the 1973 Spa 1000 km World Sportscar Championship race at an average speed of , but the fastest ever recorded time of the old Spa