| 20.7.2008 | Italian GT Mugello 2 | 12 | 997 GT3 RSR | Richard Lietz / Francisco Cruz Martins | Autorlando Sport | 7th/11th |
| 20.7.2008 | Italian GT Mugello 2 | 14 | 997 GT3 RSR | Davison / Lancelotti | Autorlando Sport | 8th/16th |
| 20.7.2008 | FFSA GT Spa | 34 | 997 GT3 RSR | Champeau / Blugeon | Pro GT | 21st/24th |
| 20.7.2008 | FFSA GT Spa | 35 | 996 GT3-RSR | Loger / Mouez | Nourry Compétition | 14th/20th |
| 20.7.2008 | FFSA GT Spa | 36 | 997 GT3 RSR | Polette / Lelièvre | IMSA Performance | 19th/19th |
| 20.7.2008 | FFSA GT Spa | 39 | 997 GT3 RSR | Lecourt / Dumez | IMSA Performance | 9th/8th |
| 20.7.2008 | FFSA GT Spa | 40 | 997 GT3 RSR | Narac / Balandras | IMSA Performance | 5th/6th |
| 20.7.2008 | 250 miles Barber | 65 | 997 GT3 Cup | Stanton / Maher | TRG/Riegel Autosport | 31st |
| 20.7.2008 | 250 miles Barber | 66 | 997 GT3 Cup | Pumpelly / Ballou | TRG | 18th |
| 20.7.2008 | 250 miles Barber | 67 | 997 GT3 Cup | Lally / George, Jr. | TRG | 16th |
| 20.7.2008 | 250 miles Barber | 68 | 997 GT3 Cup | Gutierrez / Schroeder | TRG | 34th |
| 20.7.2008 | 250 miles Barber | 71 | 997 GT3 Cup | Grant / Grant / Grant | Synergy Racing | 29th |
| 20.7.2008 | 250 miles Barber | 86 | 997 GT3 Cup | Lux / Keen | Farnbacher Loles Racing | 23rd |
| 20.7.2008 | 250 miles Barber | 87 | 997 GT3 Cup | Werner / Miller | Farnbacher Loles Racing | 15th |
| 20.7.2008 | 250 miles Barber | 88 | 997 GT3 Cup | Westbrook / Johnson | Farnbacher Loles Racing | 37th |
| 20.7.2008 | Italian GT Mugello 2 | 112 | 997 GT3 Cup | Sala / Sada | Autorlando Sport | 23rd/25th |
| 20.7.2008 | Italian GT Mugello 2 | 118 | 997 GT3 Cup | Castaldi / Brambati | Erre Esse Motosport | DNF/DNS |
| 27.7.2008 | GT Open Valencia | 1 | 997 GT3 RSR | Lietz / Roda | Autorlando | 4th/1st |
| 27.7.2008 | GT Open Valencia | 2 | 997 GT3 RSR | Zonca / Belicchi | Autorlando | 11th/DNS |
| 27.7.2008 | GT Open Valencia | 9 | 997 GT3 RSR | de Castro / Chacón | Detector Drivex Porsche | 10th/7th |
| 27.7.2008 | GT Open Valencia | 22 | 996 GT3-RSR | Caffi / Fratti | Autorlando | DNF/13th |
| 27.7.2008 | GT Open Valencia | 24 | 997 GT3 RSR | Francesc Gutiérrez / Francisco Cruz Martins | Autorlando | 17th/DNS |
| 27.7.2008 | 300 km Sugo | 26 | 996 GT3-RS | Taniguchi / Yamaji | Team Taisan With Nishizawa | 21st |
| 27.7.2008 | GT Open Valencia | 31 | 997 GT3 RSR | Franz Konrad | Konrad Motorsport | DNA |
| 27.7.2008 | 300 km Sugo | 33 | 997 GT3 RSR | Kinoshita / Kageyama | Hankook KTR | 23rd |
| 27.7.2008 | GT Open Valencia | 33 | 996 GT3-RSR | | MC Competición | DNA |
| 27.7.2008 | GT Open Valencia | 34 | 996 GT3-RSR | Caternet / Gutiérrez | Noël del Bello Racing | DNA |
| 27.7.2008 | 300 km Sugo | 70 | 996 GT3-RS | Yamagishi / Ishibashi | Team Gaikokuya | DNF |
| 27.7.2008 | GT Open Valencia [GTS] | 77 | 997 GT3 Cup | Guerrero / Ibran | Detector Drivex Porsche | DNF/9th |
| 27.7.2008 | GT Open Valencia [GTS] | 78 | 997 GT3 Cup | Castro / Dasi | Detector Drivex Porsche | DNA |
| 27.7.2008 | GT Open Valencia [GTS] | 79 | 997 GT3 | Edwards / Rosina | Konrad Motorsport | 4th/8th |
| 27.7.2008 | GT Open Valencia [GTS] | 80 | 997 GT3 | | Konrad Motorsport | DNA |
| 27.7.2008 | 300 km Sugo | 110 | Boxster 986 | Mitsusada / Ikeda | Arktech Motorsports | DNQ |
| 27.7.2008 | 300 km Sugo | 111 | Boxster 986 | Kurosawa / Koizumi | Arktech Motorsports | 30th |
| 31.7.2008 | Super GT Test Motegi | 26 | 996 GT3-RS | Taniguchi / Yamaji / Sawa | Team Taisan With Nishizawa | 20th |
| 31.7.2008 | Super GT Test Motegi | 33 | 997 GT3 RSR | Kinoshita / Kageyama | Hankook KTR | 17th |
| 31.7.2008 | Super GT Test Motegi | 111 | Boxster 986 | Koizumi / Kurosawa / Yip / Mitsusada | Arktech Motorsports | 30th |
| 31.7.2008 | Super GT Test Motegi | 118 | 996 GT3-RS | Miyamoto / Kurihara / Jounai | Tomei Sports | 33rd |
| 1.8.2008 | 200 miles Montreal | 27 | 997 GT3 Cup | O'Connell / Roush | O'Connell Racing | DNS |
| 1.8.2008 | 200 miles Montreal | 65 | 997 GT3 Cup | Stanton / Maher | TRG/Riegel Autosport | 25th |
| 1.8.2008 | 200 miles Montreal | 66 | 997 GT3 Cup | Pumpelly / Ballou | TRG | 28th |
| 1.8.2008 | 200 miles Montreal | 67 | 997 GT3 Cup | Lally / George, Jr. | TRG | 23rd |
| 1.8.2008 | 200 miles Montreal | 68 | 997 GT3 Cup | Valentine / Sellers | TRG | 33rd |
| 1.8.2008 | 200 miles Montreal | 86 | 997 GT3 Cup | Lux / Keen | Farnbacher Loles Racing | 22nd |
| 1.8.2008 | 200 miles Montreal | 87 | 997 GT3 Cup | Werner / Miller | Farnbacher Loles Racing | 21st |
| 1.8.2008 | 200 miles Montreal | 88 | 997 GT3 Cup | Lacey | Farnbacher Loles Racing | 37th |
| 3.8.2008 | 24 h Spa | 59 | 997 GT3 RSR | Williams / Ashburn / Sugden / Pompidou | Trackspeed Racing | DNF |
| 3.8.2008 | 24 h Spa | 60 | 997 GT3 RSR | Forsten / Palttala / Henzler / Horion | Prospeed Competition | 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 | 76 | 997 GT3 RSR | Narac / Lietz / Long | IMSA Performance Matmut | 12th |
| 3.8.2008 | 24 h Spa | 102 | 996 Bi-Turbo GT2-R | Talkanitsa / Ullmann / Heyer / Kaufmann | PMB Motorsport | DNF |
| 3.8.2008 | 24 h Spa | 108 | 997 GT3 Cup S | Sougnez / Duez / Wauters / Muytjens | Ice Pole Racing Team | DNF |
| 3.8.2008 | 24 h Spa | 123 | 997 GT3 Cup S | Bermes / Thomas / Basseng / Hemroulle | Muehlner Motorsport | 13th |
| 3.8.2008 | 24 h Spa | 124 | 997 GT3 Cup S | Huisman / Khan / van Splunteren / Voerman | Muehlner Motorsport | 14th |
| 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 |
| 3.8.2008 | 24 h Spa | 145 | 997 GT3 Cup S | Duval / Kelders / Greich / Kerkhove | Christian Kelders (First Motorsport) | 18th |
| 3.8.2008 | 24 h Spa | 160 | 997 GT3 Cup S | Loix / Dermont / Lamot / Heylen | Prospeed Competition | 16th |
| 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 | ADAC GT Nürburgring | 27 | 997 GT3 Cup | Hannawald / Jäger | Schnabl Engineering | 20th/13th |
| 17.8.2008 | 1000 km Nürburgring | 27 | RS Spyder Evo | Theys / Lienhard / Lammers | Horag Racing | 23rd |
| 17.8.2008 | Britcar Snetterton | 27 | 911 GT3 Cup | Firman / Bell | Jaz Motorsport | 7th |
| 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 | 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 |