American Road Racing
America has its own rich road-racing history. While alignment with the FIA and Le Mans has not always existed, there has always been a scene in the US worth following.
Period	From	To
Shelby Cobras and the USRRC GT	1962	1965
Can-Am	1966	1973
The IMSA era	1971	1993
The WSC era	1994	1997
The ALMS/Grand-Am split era - Part I	1998	2004
The ALMS/Grand-Am split era - Part II	2005	2008