Brno

Western section bypassed by the road from Veselka to Zebetin, direction of racing changed to clockwise

Extension: 17,800 Km

Lap Record: 8:03.000

Year: 1949

Driver: Prince Bira/Emmanuel de Graffenried

Car: Maserati 4CLT/48

Speed: 132,430 km/h

Year	Official Name	Date	Winning Driver	Constructor	Laps	Time	Formula
1949	I Velká cena Československa	September 25	Peter Whitehead	Ferrari	20	02:48:41.000	GP

Original circuit

Extension: 29,142 Km

Lap Record: 11:59.300

Year: 1937

Driver:Rudolf Caracciola

Car: Mercedes W125

Speed: 145,800 km/h

Year	Official Name	Date	Winning Driver	Constructor	Laps	Time	Formula
1937	VII Velká cena Masarykova	September 26	Rudolf Caracciola	Mercedes	15	03:09:25.300	GP
1937	Velká cena Města Brna	September 26	Luigi Villoresi	Maserati	5	01:10:19.800	VOIT
1935	VI Velká cena Masarykova 1500cc	September 29	Richard Seaman	ERA	15	03:48:32.100	VOIT
1935	VI Velká cena Masarykova	September 29	Bernd Rosemeyer	Auto Union	17	03:44:10.600	GP
1934	5. Masarykuv Okruh 1500cc	September 30	Giuseppe Farina	Maserati	15	03:58:49.000	VOIT
1934	5. Masarykuv Okruh	September 30	Hans Von Stuck	Auto Union	17	03:53:27.900	GP
1933	4. Masarykuv Okruh 1500cc	September 17	Ernst-Günther Burggaller	Bugatti	15	04:32:50.100	VOIT
1933	4. Masarykuv Okruh	September 17	Louis Chiron	Alfa Romeo	17	04:50:22.800	GP
1932	3. Masarykuv Okruh 1500cc	September 4	Ernst-Günther Burggaller	Bugatti	15	04:31:28.700	VOIT
1932	3. Masarykuv Okruh	September 4	Louis Chiron	Bugatti	17	04:37:29.700	GP
1931	II Masarykuv Okruh	September 27	Louis Chiron	Bugatti	17	04:12:07.460	GP
1930	I Masarykuv Okruh	September 28	Heinrich-Joachim von Morgen Hermann zu Leiningen	Bugatti	8 9	04:54:13.600	GP