Saturday August 15, 2009
- Group 1A) 1904 – 1940 Sporting Cars
- Group 2A) 1925 – 1949 Racing and Sporting Cars
- Group 3A) 1948 – 1955 Sports Racing & GT Cars under 1500cc
- Group 4A) 1955 – 1961 GT Cars under 2200cc
- Group 5A) 1955 – 1961 Sports Racing Cars under 2000cc
- Group 6A) 1955 – 1961 Sports Racing Cars over 2000cc
- Group 7A) 1964 – 1971 FIA Mfg. Championship Cars
- Group 8A) 1981 – 1991 FIA Mfg. Championship & IMSA GTP Cars
Sunday August 16, 2009
- Group 1B) 1947 – 1955 Sports Racing & GT Cars over 1500cc
- Group 2B) 1971 – 1976 FIA Mfg. Championship Cars
- Group 3B) 1961 – 1966 GT Cars under 2500cc
- Group 4B) 1959 – 1966 Sports Racing Cars
- Group 5B) 1963 – 1967 GT Cars over 2500cc
- Group 6B) 1966 – 1974 Can-Am Cars
- Group 7B) 1973 – 1980 IMSA GT, GTX, AAGT Cars