Round	Race name	Date	Circuit	Laps	Winner
1	Mobil 1 12 Hours of Sebring	20/03/2004	Sebring	350	Frank Biela Audi Sport UK Team Veloqx
2	American Le Mans at Mid-Ohio	27/06/2004	Mid-Ohio	124	JJ Lehto Champion Racing
3	New England Grand Prix	05/07/2004	Lime Rock	165	JJ Lehto Champion Racing
4	Infineon Grand Prix of Sonoma	18/07/2004	Sears Point	107	JJ Lehto Champion Racing
5	American Le Mans Portland Grand Prix	25/07/2004	Portland	141	JJ Lehto Champion Racing
6	Toronto Grand Prix of Mosport	08/08/2004	Mosport Park	137	Butch Leitzinger Dyson Racing
7	Road America 500	22/08/2004	Elkhart Lake	80	JJ Lehto Champion Racing
8	Petit Le Mans	25/09/2004	Road Atlanta	394	JJ Lehto Champion Racing
9	Audi Sports Car Championships	16/10/2004	Laguna Seca	169	Johnny Herbert Champion Racing

3,128

Championships

12,833

Results

15,933

Drivers

8,248

Teams

856

Circuits