| 30.5.2008 | Britcar Spa | 8 | 997 GT3 | Gaw / Dryburgh | Team Kinfaun | 2nd |
| 30.5.2008 | Britcar Spa | 9 | 996 GT3-RSR | Harrison / Jordan / Bussel | Team Eurotech | 8th |
| 30.5.2008 | Britcar Spa | 47 | 996 GT3-R | Heintzelman / Aitken | Geoff Steel Racing | DNF |
| 30.5.2008 | Britcar Spa | 78 | 944 | Ballentyne / Ballentyne / Gibson / Posta | Team BBG Racing | 27th |
| 1.6.2008 | Belcar Zolder Anniversary | 1 | 997 GT3 Cup S | Franchi / Soulet | GPR Pino Racing | 1st |
| 1.6.2008 | GT Open Spa | 1 | 997 GT3 RSR | Lietz / Roda | Autorlando | 4th/6th |
| 1.6.2008 | GT Open Spa | 2 | 997 GT3 RSR | Zonca / Jacoma | Autorlando | 11th/18th |
| 1.6.2008 | GT Open Spa | 9 | 997 GT3 RSR | Miguel Ángel de Castro / Antonio Chacón | Detector Drivex Porsche | 7th/12th |
| 1.6.2008 | Belcar Zolder Anniversary | 11 | 997 GT3 Cup S | Couwberghs / Maes | NGT Racing | 4th |
| 1.6.2008 | GT Open Spa | 22 | 996 GT3-RSR | Caffi / Fratti | Autorlando | 13th/13th |
| 1.6.2008 | Le Mans Test | 31 | RS Spyder Evo | Nielsen / Elgaard / Maassen | Team Essex | 15th |
| 1.6.2008 | Le Mans Test | 34 | RS Spyder Evo | van Merksteijn / Verstappen / Bleekemolen | Van Merksteijn Motorsport | 14th |
| 1.6.2008 | Le Mans Test | 76 | 997 GT3 RSR | Narac / Lietz / Long | IMSA Performance Matmut | 43rd |
| 1.6.2008 | Le Mans Test | 77 | 997 GT3 RSR | Davison / Henzler / Felbermayr, Sr. | Team Felbermayr-Proton | 47th |
| 1.6.2008 | Le Mans Test | 80 | 997 GT3 RSR | Bergmeister / Neiman / van Overbeek | Flying Lizard Motorsport | 39th |
| 1.6.2008 | Belcar Zolder Anniversary | 123 | 996 GT3 Cup | van Oost / Maes | Powercars Racing | 12th |
| 1.6.2008 | Belcar Zolder Anniversary | 164 | 996 GT3 Cup | van Audenhove / Van Rossem | Speedlover | 13th |
| 1.6.2008 | Belcar Zolder Anniversary | 214 | 996 GT3 Cup | Kuus / Coekelberghs | Intermobiel Racing | DNF |
| 1.6.2008 | Belcar Zolder Anniversary | 217 | 996 Bi-Turbo GT2-R | Bouillon / Voets | McDonald's Racing | DNF |
| 1.6.2008 | Belcar Zolder Anniversary | 250 | 997 GT3 Cup | Lagrange / Nelissen-Grade | First Motorsport | 10th |
| 1.6.2008 | Belcar Zolder Anniversary | 264 | 997 GT3 Cup | van Hover / Langeberg | Speedlover | 11th |
| 6.6.2008 | Italian GT Magione [GT2] | 11 | 997 GT3 RSR | "Vic" / "Gion" | Coggiola Victor Racing Team | DNS |
| 6.6.2008 | Italian GT Magione [GT2] | 12 | 997 GT3 RSR | Richard Lietz / Francisco Cruz Martins | Autorlando Sport | 6th/1st |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 103 | 997 GT3 Cup | Pozzi / Cappelletti | Promospeed | 13th/9th |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 105 | 997 GT3 Cup | Petrini / Urbani | AGR Motorsport | 17th/19th |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 106 | 997 GT3 Cup | Borghi / de Lorenzi | GDL Racing | 6th/3rd |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 107 | 997 GT3 Cup | Orsero / Campanello | Happy Racer | DNF/11th |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 111 | 997 GT3 Cup | Bellini / de Nora | Bonaldi Tech | 12th/6th |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 112 | 997 GT3 Cup | Sala / Sada | Autorlando Sport | 8th/16th |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 118 | 997 GT3 Cup | Passuti / Antonelli | AB Motorsport | 3rd/8th |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 122 | 997 GT3 Cup | Greco / Gatta | Gatta | 9th/10th |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 123 | 997 GT3 Cup | Rizzo / de Bellis | Rizzo | 10th/12th |
| 6.6.2008 | Italian GT Magione [GT3/GT4/GTC] | 124 | 996 GT3 Cup | Maramelli / Bocellari | AGR Motorsport | 15th/17th |
| 7.6.2008 | 6 Watkins Glen | 14 | 997 GT3 Cup | Friedman / McGehee / Baas | Autometrics Motorsports | 33rd |
| 7.6.2008 | 6 Watkins Glen | 22 | 997 GT3 Cup | de Quesada / Basseng / Dumoulin | Alegra Motorsports | 23rd |
| 7.6.2008 | 6 Watkins Glen | 26 | 997 GT3 Cup | Jacalone / Jacalone | Gotham Competition | 42nd |
| 7.6.2008 | 6 Watkins Glen | 27 | 997 GT3 Cup | O'Connell / Roush | O'Connell Racing | 21st |
| 7.6.2008 | 6 Watkins Glen | 29 | 997 GT3 Cup | Garcia / Gabel | Alegra Motorsports | 31st |
| 7.6.2008 | 6 Watkins Glen | 64 | 997 GT3 Cup | Lowe / Pace / Sugden | TRG | 34th |
| 7.6.2008 | 6 Watkins Glen | 65 | 997 GT3 Cup | Stanton / Gutierrez / Maher | TRG/Riegel Autosport | 25th |
| 7.6.2008 | 6 Watkins Glen | 66 | 997 GT3 Cup | Miller / Ballou / Westbrook | TRG | 27th |
| 7.6.2008 | 6 Watkins Glen | 67 | 997 GT3 Cup | Pumpelly / George, Jr. | TRG | 43rd |
| 7.6.2008 | 6 Watkins Glen | 68 | 997 GT3 Cup | Valentine / Sellers / Pobst | TRG | 30th |
| 7.6.2008 | 6 Watkins Glen | 74 | 997 GT3 Cup | Brumbaugh | GTS Racing with Mitchum Motorsports | 45th |
| 7.6.2008 | 6 Watkins Glen | 86 | 997 GT3 Cup | Lux / Kaffer / Keen | Farnbacher Loles Racing | 40th |
| 7.6.2008 | 6 Watkins Glen | 87 | 997 GT3 Cup | Werner / Henzler | Farnbacher Loles Racing | 44th |
| 7.6.2008 | 6 Watkins Glen | 88 | 997 GT3 Cup | Lacey / Johnson / Potter | Farnbacher Loles Racing | 26th |
| 8.6.2008 | Spanish GT Jerez | 9 | 997 GT3 RSR | Amaral / de Castro | Detector Drivex Porsche | DNF/3rd |
| 8.6.2008 | Spanish GT Jerez | 18 | 996 GT3-RSR | Caternet / Amorim | Noel del Bello Racing | DNA |
| 8.6.2008 | Spanish GT Jerez | 33 | 997 GT3 RSR | del Noce / Bastos | ASM Team | 9th/9th |
| 8.6.2008 | Spanish GT Jerez | 34 | 997 GT3 Cup | Castro / Espinosa | Detector Drivex Porsche | 13th/13th |
| 8.6.2008 | Spanish GT Jerez | 35 | 997 GT3 Cup | Gellweiler / Peres | Detector Drivex Porsche | DNF/15th |
| 8.6.2008 | Spanish GT Jerez | 39 | 996 GT3-RSR | Mello-Breyner / Mello-Breyner | MC Sport | 7th/12th |
| 14.6.2008 | Britcar Brands Hatch | 6 | 997 GT3 Cup | Hogarth / Pickford | In2 Racing | DNF |
| 14.6.2008 | Britcar Brands Hatch | 8 | 997 GT3 | Gaw / Dryburgh | Team Kinfaun | DNF |
| 14.6.2008 | Britcar Brands Hatch | 19 | 997 GT3 Cup | Jones / Jones / Jones | Eurotech Motorsport | DNS |
| 14.6.2008 | Britcar Brands Hatch | 27 | 911 GT3 Cup | Firman / Bell | Jaz Motorsport | 6th |
| 14.6.2008 | Britcar Brands Hatch | 35 | 997 GT3 | Geddie / Geddie / Scott | ABG | DNF |
| 14.6.2008 | Britcar Brands Hatch | 38 | 996 GT4 | Persson / Barrett / Shepherd | Hawthorns | 7th |
| 14.6.2008 | Britcar Brands Hatch | 46 | 996 GT3 Cup | Wright / Masarati / Masarati | Driver | 10th |
| 14.6.2008 | Britcar Brands Hatch | 50 | 911 GT3 Cup | Coleing / Evans | XL Race Parts | DNF |
| 15.6.2008 | Brasil GT3 Brasília | 5 | 997 GT3 Cup | Gresse / Brito | WB Motorsports | 2nd/4th |
| 15.6.2008 | Brasil GT3 Brasília | 6 | 997 GT3 Cup | Fittipaldi / Fittipaldi | WB Motorsports | 5th/5th |
| 15.6.2008 | 500 km Interlagos | 15 | 996 GT3 Cup | Visconde / Landi | | 8th |
| 15.6.2008 | 24 h Le Mans | 31 | RS Spyder Evo | Nielsen / Elgaard / Maassen | Team Essex | 12th |
| 15.6.2008 | 24 h Le Mans | 34 | RS Spyder Evo | van Merksteijn / Verstappen / Bleekemolen | Van Merksteijn Motorsport | 10th |
| 15.6.2008 | 24 h Le Mans | 75? | 997 GT3 RSR | | IMSA Performance Matmut | DNA |
| 15.6.2008 | 24 h Le Mans | 76 | 997 GT3 RSR | Lietz / Narac / Long | IMSA Performance Matmut | DNF |
| 15.6.2008 | 24 h Le Mans | 77 | 997 GT3 RSR | Davison / Henzler / Felbermayr, Sr. | Team Felbermayr-Proton | 27th |
| 15.6.2008 | 24 h Le Mans | 80 | 997 GT3 RSR | Bergmeister / Neiman / van Overbeek | Flying Lizard Motorsports | 32nd |
| 15.6.2008 | 24 h Le Mans | 88? | 997 GT3 RSR | | Team Felbermayr-Proton | DNA |
| 15.6.2008 | 500 km Interlagos | 911 | 997 GT3 RSR | Wilson / Visconde | | 1st |
| 21.6.2008 | 2 h Adria | 59 | 997 GT3 RSR | Williams / Ashburn | Trackspeed Racing | DQ |
| 21.6.2008 | 2 h Adria | 60 | 997 GT3 RSR | Forsten / Palttala | Prospeed Competition | DNF |
| 21.6.2008 | 2 h Adria | 61 | 997 GT3 RSR | Westbrook / Collard | Prospeed Competition | DQ |
| 21.6.2008 | 250 miles Mid-Ohio | 65 | 997 GT3 Cup | Stanton / Gutierrez | TRG/Riegel Autosport | 15th |
| 21.6.2008 | 250 miles Mid-Ohio | 66 | 997 GT3 Cup | Ballou / Lally | TRG | 14th |
| 21.6.2008 | 250 miles Mid-Ohio | 67 | 997 GT3 Cup | George, Jr. | TRG | 37th |
| 21.6.2008 | 250 miles Mid-Ohio | 68 | 997 GT3 Cup | Valentine / Sellers | TRG | 26th |
| 21.6.2008 | 250 miles Mid-Ohio | 71 | 997 GT3 Cup | Grant / Grant | Synergy Racing | 28th |
| 21.6.2008 | 250 miles Mid-Ohio | 74 | 997 GT3 Cup | Skea / Schiff | GTS Racing with Mitchum Motorsports | 33rd |
| 21.6.2008 | 250 miles Mid-Ohio | 86 | 997 GT3 Cup | Lux / Keen | Farnbacher Loles Racing | 11th |
| 21.6.2008 | 250 miles Mid-Ohio | 87 | 997 GT3 Cup | Werner / Miller | Farnbacher Loles Racing | 35th |
| 21.6.2008 | 250 miles Mid-Ohio | 88 | 997 GT3 Cup | Lacey / Johnson | Farnbacher Loles Racing | 21st |
| 22.6.2008 | 300 km Sepang | 26 | 996 GT3-RS | Taniguchi / Yamaji | Team Taisan With Nishizawa | 29th |
| 22.6.2008 | 300 km Sepang | 33 | 997 GT3 RSR | Kinoshita / Kageyama | Hankook KTR | 25th |
| 22.6.2008 | 300 km Sepang | 70 | 996 GT3-RS | Yamagishi / Ishibashi | Team Gaikokuya | 32nd |
| 22.6.2008 | 300 km Sepang | 110 | Boxster 986 | Ikeda / Mitsusada | Arktech Motorsports | DNF |
| 22.6.2008 | 300 km Sepang | 111 | Boxster 986 | Koizumi / Kurosawa | Arktech Motorsports | 33rd |
| 29.6.2008 | ADAC GT Norisring | 14 | 997 GT3 Cup S | Stippler / Janák | Mühlner Motorsport | 5th/6th |
| 29.6.2008 | ADAC GT Norisring | 15 | 997 GT3 Cup S | Bergmeister / Basseng | Mühlner Motorsport | 3rd/1st |
| 29.6.2008 | ADAC GT Norisring | 16 | 997 GT3 Cup S | Bleekemolen / Van De Laar | Mühlner Motorsport | 12th/18th |
| 29.6.2008 | ADAC GT Norisring | 27 | 997 GT3 Cup | Hannawald / Stuck | Schnabl Engineering | DNF/16th |
| 29.6.2008 | ADAC GT Norisring | 28 | 997 GT3 Cup | Lauck / Richter | JvO Autosport | DNF/17th |
| 29.6.2008 | FFSA GT Val de Vienne | 34 | 997 GT3 RSR | Champeau / Blugeon | Pro GT | 19th/14th |
| 29.6.2008 | FFSA GT Val de Vienne | 37 | 996 GT3-RSR | Monteiro / Monteiro | Estoril Racing | 25th/DNF |
| 29.6.2008 | FFSA GT Val de Vienne | 39 | 997 GT3 RSR | Lecourt / Balandras | IMSA Performance | 8th/16th |
| 29.6.2008 | ADAC GT Norisring | 39 | 997 GT3 Cup | Dragoun / Ellinger | G-Private-Racing | 15th/12th |
| 29.6.2008 | ADAC GT Norisring | 40 | 997 GT3 Cup | Schmitter / Peham | G-Private-Racing | 16th/13th |
| 29.6.2008 | ADAC GT Norisring | 52 | 997 GT3 Cup | Ortlieb / Sagmeister | G-Private-Racing | 17th/14th |