Scott Pruett (DP)
Memo Rojas (DP)
Paul Edwards (GT)
Kelly Collins (GT)
| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Daytona Daytona 24 godziny | 2008.01.26 - 01.27 | DP | Riley & Scott Mk XI - Lexus | Chip Ganassi with Felix Sabates | |
| GT | Mazda RX-8 |  SpeedSource | ||||
| 2 | Homestead-Miami | 2008.03.29 | DP | Riley & Scott Mk XX - Lexus | Chip Ganassi with Felix Sabates | |
| GT | Pontiac GXP.R | Banner Racing | ||||
| 3 | Hermanos Rodriguez | 2008.04.19 | DP | Riley & Scott Mk XX - Pontiac | Bob Stallings/ Riley-Matthews | |
| GT | Pontiac GXP.R | Stevenson Motorsports | ||||
| 4 | Virginia | 2008.04.27 | DP | Riley & Scott Mk XX - Lexus | Chip Ganassi Racing with Felix Sabates | |
| GT | Pontiac GXP.R | Stevenson Motorsports | ||||
| 5 | Laguna Seca | 2008.05.17 | DP | Riley & Scott Mk XI - BMW | SAMAX | |
| GT | Pontiac GXP.R | Banner Racing | ||||
| 6 | Lime Rock Park | 2008.05.26 | GT | Pontiac GXP.R | Banner Racing | |
| 7 | Watkins Glen | 2008.06.07 | DP | Riley & Scott Mk XX - Lexus | Chip Ganassi Racing with Felix Sabates | |
| GT | Mazda RX-8 | SpeedSource | ||||
| 8 | Mid-Ohio | 2008.06.21 | DP | Riley & Scott Mk XX - Pontiac | Gainsco/Bob Stallings Racing | |
| GT | Porsche 997 GT3 Cup |  Farnbacher Loles Racing | ||||
| 9 | Daytona | 2008.07.03 | DP | Riley & Scott Mk XX - Lexus | Chip Ganassi Racing with Felix Sabates | |
| GT | Mazda RX-8 | SpeedSource | ||||
| 10 | Barber | 2008.07.20 | DP | Riley & Scott Mk XX - Lexus | Chip Ganassi Racing with Felix Sabates | |
| GT | Mazda RX-8 | SpeedSource | ||||
| 11 |  Montréal | 2008.08.01 | DP | Riley & Scott Mk XX - Ford | AIM Autosport | |
| GT | Pontiac GXP.R | Stevenson Motorsports | ||||
| 12 | Watkins Glen | 2008.08.08 | DP | Riley & Scott Mk XX - Ford | AIM Autosport | |
| 13 | Infineon | 2008.08.23 | DP | Dallara DP01 - Pontiac | SunTrust Racing | |
| 14 | New Jersey | 2008.08.31 | DP | Riley & Scott Mk XX - Ford | Michael Shank Racing | |
| GT | Porsche 997 GT3 Cup | TRG | ||||
| 15 | Miller | 2008.09.20 | DP | Riley & Scott Mk XX - Ford | Michael Shank Racing | |
| GT | Pontiac GXP.R | Banner Racing |
