Prix Jean Prat metres. For a period it was held in April, and it served as a trial for the Prix du Jockey Club. Both Prix Biennal races were renamed the Prix Jean Prat in 1940. This was in memory of Jean Prat (1847–1940), a successful racehorse owner and breeder. The version for three-year-olds was switched to late May or early June in 1961. It was shortened to 1,850 metres in 1962. It was transferred to Chantilly and cut to 1,800 metres in 1967. The present system of race grading was introduced in 1971, and for several years the event held Group 2
Pau Grand Prix Pau', the newly created "Automobile-club du Béarn" held a race on a 300 km road circuit, called the "Circuit du sud-ouest" (Pau–Tarbes–Bayonne–Pau). The race was given the same name as the circuit, and was won by René de Knyff. In 1901, for the second event, the race had individual prizes for the four separate classes of entrants: The French Grand Prix was held at Pau in 1930. The 1933 Grand Prix de Pau was held in February with snow still on the ground. The race was won by Marcel Lehoux driving a Bugatti. There was no Grand Prix in 1934,