| 3.8.2008 | 24 h Spa | 59 | 997 GT3 RSR | Williams / Ashburn / Sugden / Pompidou | Trackspeed Racing | DNF |
| 3.8.2008 | 24 h Spa | 61 | 997 GT3 RSR | Westbrook / Collard / Lieb | Prospeed Competition | 6th |
| 3.8.2008 | 24 h Spa | 75 | 997 GT3 RSR | Juniper / Twigg / Baird / Forbes | Juniper Racing | 19th |
| 3.8.2008 | 24 h Spa | 140 | 997 GT3 Cup S | Baron / Fournet / Corbel / Ferreira | Olivier Baron (Emeraude Racing) | DNF |
| 3.8.2008 | 24 h Spa | 141 | 997 GT3 Cup S | Brouard / Stépec / Nozière / Samon | Olivier Baron (Emeraude Racing) | 20th |
| 9.8.2008 | 4 h Road America | 6 | RS Spyder Evo | Maassen / Long | Penske Racing | 6th |
| 9.8.2008 | 4 h Road America | 7 | RS Spyder Evo | Dumas / Bernhard | Penske Racing | 4th |
| 9.8.2008 | 4 h Road America | 16 | RS Spyder Evo | Smith / Dyson | Dyson Racing Team | 9th |
| 9.8.2008 | 4 h Road America | 18 | 997 GT3 RSR | Pastorelli / Pastorelli / Basseng | VICI Racing | 22nd |
| 9.8.2008 | 4 h Road America | 20 | RS Spyder Evo | Franchitti / Leitzinger | Dyson Racing Team | 5th |
| 9.8.2008 | 4 h Road America | 44 | 997 GT3 RSR | Neiman / Law | Flying Lizard Motorsports 44 | 21st |
| 9.8.2008 | 4 h Road America | 45 | 997 GT3 RSR | Bergmeister / Henzler | Flying Lizard Motorsports | 13th |
| 9.8.2008 | 4 h Road America | 46 | 997 GT3 RSR | Pilet / van Overbeek | Flying Lizard Motorsports | 15th |
| 9.8.2008 | 4 h Road America | 87 | 997 GT3 RSR | Miller / Westbrook / Werner | Farnbacher Loles Racing | 12th |
| 10.8.2008 | Australian GT Phillip Island | 9 | 996 GT3 Cup | Michael Loccisano | Hallmarc Developments | 7th/5th/9th |
| 10.8.2008 | Australian GT Phillip Island | 14 | 996 GT3 Cup | Greg Ward | Echo Ridge Wines | DNS |
| 10.8.2008 | Australian GT Phillip Island | 33 | 996 GT3 Cup | Fraser Kirchner | Kirchner Constructions | 12th/11th/13th |
| 10.8.2008 | Australian GT Phillip Island | 58 | 996 GT3 Clubsport | Richard Kimber | Drivebathurst.com | 5th/8th/8th |
| 10.8.2008 | Australian GT Phillip Island | 66 | 911 GT3 Cup | Garth Rainsbury | Jocaro Motors | 13th/10th/14th |
| 10.8.2008 | Australian GT Phillip Island | 68 | 997 GT3 Clubsport | Kim Burke | PR Technology Racing | 6th/DNF/DNS |
| 17.8.2008 | Britcar Snetterton | 8 | 997 GT3 | Gaw / Dryburgh | Team Kinfaun | DNF |
| 17.8.2008 | ADAC GT Nürburgring | 14 | 997 GT3 Cup S | Kräling / Gindorf | Mühlner Motorsport | 11th/7th |
| 17.8.2008 | ADAC GT Nürburgring | 15 | 997 GT3 Cup S | Stippler / Bergmeister | Mühlner Motorsport | DNF/4th |
| 17.8.2008 | ADAC GT Nürburgring | 16 | 997 GT3 Cup S | Bleekemolen / Van De Laar | Mühlner Motorsport | 10th/5th |
| 17.8.2008 | Britcar Snetterton | 27 | 911 GT3 Cup | Firman / Bell | Jaz Motorsport | 7th |
| 17.8.2008 | 1000 km Nürburgring | 27 | RS Spyder Evo | Theys / Lienhard / Lammers | Horag Racing | 23rd |
| 17.8.2008 | ADAC GT Nürburgring | 27 | 997 GT3 Cup | Hannawald / Jäger | Schnabl Engineering | 20th/13th |
| 17.8.2008 | ADAC GT Nürburgring | 28 | 997 GT3 Cup | Mies / Richter | JvO Autosport | 17th/14th |
| 17.8.2008 | 1000 km Nürburgring | 31 | RS Spyder Evo | Elgaard / Nielsen | Team Essex | 10th |
| 17.8.2008 | 1000 km Nürburgring | 34 | RS Spyder Evo | Verstappen / Bleekemolen | Van Merksteijn Motorsport | 7th |
| 17.8.2008 | Britcar Snetterton | 38 | 996 GT4 | Barrett / Persson / Shepherd | Hawthorns Racing | 6th |
| 17.8.2008 | ADAC GT Nürburgring | 39 | 997 GT3 Cup | Dragoun / Ellinger | G-Private-Racing | 19th/DNF |
| 17.8.2008 | ADAC GT Nürburgring | 40 | 997 GT3 Cup S | Schmitter / Peham | G-Private-Racing | 16th/12th |
| 17.8.2008 | Britcar Snetterton | 46 | 996 GT3 Cup | Wright / Masarati / Masarati | Driver | 10th |
| 17.8.2008 | Britcar Snetterton | 47 | 996 GT3-R | Heintzelman / Aitken | Severn Energy/Geoff | 8th |
| 17.8.2008 | 1000 km Nürburgring | 75 | 997 GT3 RSR | Belloc / Balandras / Lecourt | Imsa Performance Matmut | 29th |
| 17.8.2008 | 1000 km Nürburgring | 76 | 997 GT3 RSR | Lietz / Narac | Imsa Performance Matmut | 26th |
| 17.8.2008 | 1000 km Nürburgring | 77 | 997 GT3 RSR | Davison / Lieb | Team Felbermayr-Proton | 25th |
| 17.8.2008 | 1000 km Nürburgring | 88 | 997 GT3 RSR | Ried / Felbermayr, Jr. / Felbermayr, Sr. | Team Felbermayr-Proton | 35th |
| 17.8.2008 | 1000 km Nürburgring | 91 | 997 GT3 RSR | Nielsen / Westbrook / Simonsen | Farnbacher Racing | DNF |
| 17.8.2008 | 1000 km Nürburgring | 95 | 997 GT3 RSR | Sugden / Palttala / Daniels | James Watt Automotive | 32nd |
| 24.8.2008 | 2 h 45 min Mosport | 6 | RS Spyder Evo | Maassen / Long | Penske Racing | 5th |
| 24.8.2008 | 2 h 45 min Mosport | 7 | RS Spyder Evo | Bernhard / Dumas | Penske Racing | 8th |
| 24.8.2008 | 2 h 45 min Mosport | 16 | RS Spyder Evo | Dyson / Smith | Dyson Racing Team | 9th |
| 24.8.2008 | 2 h 45 min Mosport | 18 | 997 GT3 RSR | Basseng | VICI Racing | 28th |
| 24.8.2008 | 2 h 45 min Mosport | 20 | RS Spyder Evo | Franchitti / Leitzinger | Dyson Racing Team | 10th |
| 24.8.2008 | 1000 km Suzuka | 26 | 996 GT3-RS | Taniguchi / Yamaji / Sawa | Team Taisan With Nishizawa | 18th |
| 24.8.2008 | 1000 km Suzuka | 27 | 996 GT3-RSR | Inoue / Jin-Woo / Takasaki | Team Shadow | 22nd |
| 24.8.2008 | 1000 km Suzuka | 33 | 997 GT3 RSR | Kinoshita / Kageyama | Hankook KTR | DNF |
| 24.8.2008 | 2 h 45 min Mosport | 44 | 997 GT3 RSR | Neiman / Pechnik | Flying Lizard Motorsports 44 | 21st |
| 24.8.2008 | 2 h 45 min Mosport | 45 | 997 GT3 RSR | Henzler / Bergmeister | Flying Lizard Motorsports | 17th |
| 24.8.2008 | 2 h 45 min Mosport | 46 | 997 GT3 RSR | Pilet / van Overbeek | Flying Lizard Motorsports | 23rd |
| 24.8.2008 | 2 h Bucharest | 60 | 997 GT3 RSR | Forsten / Palttala | Prospeed Competition | DNS |
| 24.8.2008 | 2 h Bucharest | 61 | 997 GT3 RSR | Westbrook / Collard | Prospeed Competition | 11th/10th |
| 24.8.2008 | 2 h Bucharest | 66 | 997 GT3 RSR | Lieb / Felbermayr, Jr. | Team Felbermayr Proton | 17th/DNF |
| 24.8.2008 | 2 h Bucharest | 69 | 997 GT3 RSR | Lietz / Felbermayr, Sr. | Team Felbermayr Proton | 18th/DNF |
| 24.8.2008 | 2 h 45 min Mosport | 87 | 997 GT3 RSR | Kaffer / Werner | Farnbacher Loles Racing | 16th |
| 24.8.2008 | 1000 km Suzuka | 110 | Boxster 986 | Mitsusada / Ikeda | Arktech Motorsports | DNF |
| 24.8.2008 | 1000 km Suzuka | 111 | Boxster 986 | Kurosawa / Koizumi | Arktech Motorsports | 21st |
| 24.8.2008 | 1000 km Suzuka | 118 | 996 GT3-RS | Jounai / Miyamoto / Kurihara | Tomei Sports | 31st |
| 24.8.2008 | 1000 km Suzuka | 170 | 996 GT3-RS | Yamagishi / Ishibashi / Takamizawa | Team Gaikokuya | 24th |
| 30.8.2008 | 2 h 45 min Detroit | 6 | RS Spyder Evo | Briscoe / Long | Penske Racing | 5th |
| 30.8.2008 | 2 h 45 min Detroit | 7 | RS Spyder Evo | Dumas / Bernhard | Penske Racing | 4th |
| 30.8.2008 | 2 h 45 min Detroit | 16 | RS Spyder Evo | Smith / Dyson | Dyson Racing Team | 6th |
| 30.8.2008 | 2 h 45 min Detroit | 18 | 997 GT3 RSR | Basseng / Pastorelli | VICI Racing | 25th |
| 30.8.2008 | 2 h 45 min Detroit | 20 | RS Spyder Evo | Franchitti / Leitzinger | Dyson Racing Team | 8th |
| 30.8.2008 | 2 h 45 min Detroit | 44 | 997 GT3 RSR | Ragginger / Pechnik | Flying Lizard Motorsports 44 | 14th |
| 30.8.2008 | 2 h 45 min Detroit | 45 | 997 GT3 RSR | Henzler / Bergmeister | Flying Lizard Motorsports | 11th |
| 30.8.2008 | 2 h 45 min Detroit | 46 | 997 GT3 RSR | Pilet / van Overbeek | Flying Lizard Motorsports | 12th |
| 31.8.2008 | 24 h Zolder | 1 | 997 GT3 Cup S | Franchi / Soulet / Leinders / Kelders | GPR Pino Racing | DNF |
| 31.8.2008 | 24 h Zolder | 11 | 997 GT3 Cup S | Couwberghs / Maes / "Heinz" / Sluys | NGT Racing | 1st |
| 31.8.2008 | 250 miles New Jersey | 26 | 997 GT3 Cup | Jacalone / Jacalone | Gotham Competition | 30th |
| 31.8.2008 | 250 miles New Jersey | 27 | 997 GT3 Cup | O'Connell / Roush | O'Connell Racing | 20th |
| 31.8.2008 | 24 h Zolder | 52 | 997 GT3 Cup S | Penders / Lémeret / Lamot / Loix | ProSpeed Competition | 7th |
| 31.8.2008 | 250 miles New Jersey | 63 | 997 GT3 Cup | Lowe / Pace | JLowe Racing | 31st |
| 31.8.2008 | 250 miles New Jersey | 64 | 997 GT3 Cup | Sugden / van Overbeek | JLowe Racing | 25th |
| 31.8.2008 | 250 miles New Jersey | 65 | 997 GT3 Cup | Stanton / Potter | TRG/Riegel Autosport | 27th |
| 31.8.2008 | 250 miles New Jersey | 66 | 997 GT3 Cup | Pumpelly / Ballou | TRG | 17th |
| 31.8.2008 | 250 miles New Jersey | 67 | 997 GT3 Cup | Lally / George, Jr. | TRG | 14th |
| 31.8.2008 | 250 miles New Jersey | 68 | 997 GT3 Cup | Valentine / Sellers | TRG | 21st |
| 31.8.2008 | 250 miles New Jersey | 86 | 997 GT3 Cup | Lux / Keen | Farnbacher Loles Racing | 18th |
| 31.8.2008 | 250 miles New Jersey | 87 | 997 GT3 Cup | Miller / Werner | Farnbacher Loles Racing | 19th |
| 31.8.2008 | 250 miles New Jersey | 88 | 997 GT3 Cup | Lacey / Johnson | Farnbacher Loles Racing | 28th |
| 31.8.2008 | 24 h Zolder | 123 | 996 GT3 Cup | van Oost / Van Delm / van Elslander / Van Rossem | Powercars Racing | NC |
| 31.8.2008 | 24 h Zolder | 150 | 996 GT3 Cup | van Rompuy / Jeuris / van Rompuy / Beliën | First Motorsport | 8th |
| 31.8.2008 | 24 h Zolder | 164 | 996 GT3 Cup | van Beurden / Van Uytsel / van Loo / Matot | Speedlover | 9th |
| 31.8.2008 | 24 h Zolder | 215 | 996 GT3-RS | De Laet / Verbergt / Vollebergh / Hemroulle | JD by Astromega | 13th |
| 31.8.2008 | 24 h Zolder | 217 | 996 Bi-Turbo GT2-R | Bouillon / Voets / Perrin / Blaise | McDonald's Racing | DNF |
| 31.8.2008 | 24 h Zolder | 222 | 996 Bi-Turbo | Derdaele / Vanierschot / Dujardyn / Marchal | Belgium Racing | 10th |
| 31.8.2008 | 24 h Zolder | 250 | 997 GT3 Cup | Lagrange / Nelissen-Grade / Verbist / Leest | First Motorsport | 2nd |
| 31.8.2008 | 24 h Zolder | 264 | 997 GT3 Cup | van Hover / Langeberg / Tavernier / Raus | Speedlover | 5th |
| 31.8.2008 | 24 h Zolder | 265 | 996 GT3-RS | Fumal / Pulinx / Palttala / Menten | MPM Racing by Verbist | 3rd |
| 7.9.2008 | Brasil GT3 Rio de Janeiro | 5 | 997 GT3 Cup | Fittipaldi / Brito | WB Motorsports | 2nd/8th |
| 7.9.2008 | Brasil GT3 Rio de Janeiro | 6 | 997 GT3 Cup | Fittipaldi / Hermann | WB Motorsports | 12th/12th |
| 7.9.2008 | ADAC GT Lausitzring | 27 | 997 GT3 Cup | Langen / Rehfeld | Schnabl Engineering | 13th/11th |
| 7.9.2008 | FFSA GT Albi | 36 | 997 GT3 RSR | Lelièvre / Polette | IMSA Performance | 17th/14th |
| 7.9.2008 | FFSA GT Albi | 40 | 997 GT3 RSR | Balandras / Narac | IMSA Performance | 8th/9th |
| 7.9.2008 | ADAC GT Lausitzring | 40 | 997 GT3 Cup S | Schmitter / Peham | G-Private-Racing | DNF/DNF |
| 7.9.2008 | ADAC GT Lausitzring | 61 | 997 GT3 Cup | Schrezenmeier / Renauer | Christoph Schrezenmeier | 11th/DNS |
| 7.9.2008 | ADAC GT Lausitzring | 62 | 997 GT3 Cup | Speck / Renauer | Hermann Speck | 12th/14th |