Cort Wagner (DP)
Terry Borcheller (DP)
Steve Marshall (SRPII)
Tommy Riggins (GTS)
David Machavern (GTS)
Cort Wagner (GT)
Brent Martini (GT)
| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Daytona Daytona 24 godziny | 2003.02.01 - 02.02 | DP | Multimatic Ford Focus DP - Ford |  Multimatic | |
| SRPII | Lola B2K/40 - Nissan | Team Seattle/Essex Racing | ||||
| GTS | Mosler MT900R - Chevrolet | Perspective Racing | ||||
| GT | Porsche 996 GT3-RS | The Racer's Group | ||||
| 2 | Homestead-Miami | 2003.03.01 | DP | Fabcar FDSC/03 - Porsche | Brumos Racing | |
| SRPII | Picchio D-USA - BMW | G&W Motorsports | ||||
| GTS | Chevrolet Camaro | Murray's Speed & Custom | ||||
| GT | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | ||||
| 3 | Phoenix | 2003.05.03 | DP | Fabcar FDSC/03 - Porsche | Brumos Racing | |
| SRPII | Picchio D-USA - BMW | G&W Motorsports | ||||
| GTS | Ford Mustang | Heritage Motorsports | ||||
| GT | Ferrari 360 Modena GT | Ferrari of Washington | ||||
| 4 | Barber | 2003.05.18 | DP | Doran JE4 - Chevrolet | Bell Motorsports | |
| SRPII | Nikt nie ukończył wyścigu | |||||
| GTS | Mosler MT900R - Chevrolet | Mosler Automotive | ||||
| GT | BMW M3 | Marcus Motorsports | ||||
| 5 | California | 2003.06.08 | DP | Fabcar FDSC/03 - Porsche | Brumos Racing | |
| SRPII | Nikt nie ukończył wyścigu | |||||
| GTS | Ford Mustang | Heritage Motorsports | ||||
| GT | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | ||||
| 6 | Watkins Glen | 2003.06.22 | DP | Fabcar FDSC/03 - Porsche | Brumos Racing | |
| SRPII | Picchio D-USA - BMW | G&W Motorsports | ||||
| GTS | Ford Mustang | Heritage Motorsports | ||||
| GT | Porsche 996 GT3-R | Rennwerks Motorsports | ||||
| 7 | Mid-Ohio | 2003.06.28 | DP | Doran JE4 - Chevrolet | Bell Motorsports | |
| SRPII | Nikt nie ukończył wyścigu | |||||
| GTS | Ford Mustang | Heritage Motorsports | ||||
| GT | Porsche 996 GT3-RS | Schumacher Racing | ||||
| 8 | Daytona | 2003.07.03 | DP | Doran JE4 - Chevrolet | Bell Motorsports | |
| SRPII | Nikt nie ukończył wyścigu | |||||
| GTS | Ford Mustang | Heritage Motorsports | ||||
| GT | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | ||||
| 9 | Watkins Glen | 2003.08.08 | DP | Doran JE4 - Chevrolet | Bell Motorsports | |
| SRPII | Nikt nie ukończył wyścigu | |||||
| GTS | Chevrolet Corvette | Team Re/Max Racing | ||||
| GT | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | ||||
| 10 |  Mont-Tremblant | 2003.09.21 | DP | Fabcar FDSC/03 - Porsche | Brumos Racing | |
| SRPII | Nikt nie wystartował w wyścigu / brak zgłoszeń | |||||
| GTS | Ford Mustang | Heritage Motorsports | ||||
| GT | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | ||||
| 11 | Virginia | 2003.10.05 | DP | Doran JE4 - Chevrolet | Bell Motorsports | |
| SRPII | Lola B2K/40 - Nissan | G&W Motorsports | ||||
| GTS | Chevrolet Corvette | ICY/SL Motorsports | ||||
| GT | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | ||||
| 12 | Daytona | 2003.11.02 | DP | Doran JE4 - Chevrolet | Bell Motorsports | |
| SRPII | Nikt nie ukończył wyścigu | |||||
| GTS | Chevrolet Corvette | Derhaag Motorsports | ||||
| GT | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | ||||
