| 5.4.2008 | 1 h 55 min St. Petersburg | 16 | RS Spyder Evo | Dyson / Smith | Dyson Racing Team | 5th |
| 5.4.2008 | 1 h 55 min St. Petersburg | 20 | RS Spyder Evo | Franchitti / Leitzinger | Dyson Racing Team | 20th |
| 5.4.2008 | 1 h 55 min St. Petersburg | 45 | 997 GT3 RSR | Henzler / Bergmeister | Flying Lizard Motorsports | 21st |
| 5.4.2008 | 1 h 55 min St. Petersburg | 46 | 997 GT3 RSR | Pilet / van Overbeek | Flying Lizard Motorsports | 12th |
| 6.4.2008 | Italian GT Monza | 11 | 997 GT3 RSR | "Vic" / "Gion" | Coggiola Victor Racing Team | 9th/10th |
| 6.4.2008 | Italian GT Monza | 12 | 997 GT3 RSR | David Arnold Lance / Francisco Cruz Martins | Autorlando Sport | 4th/6th |
| 6.4.2008 | Italian GT Monza | 18 | 996 GT3-RS | Meneghello / Valentini | Engineering Durango | DNS |
| 6.4.2008 | 1000 km Catalunya | 27 | RS Spyder Evo | Theys / Lienhard / Lammers | Horag Racing | 14th |
| 6.4.2008 | 1000 km Catalunya | 31 | RS Spyder Evo | Elgaard / Nielsen | Team Essex | 9th |
| 6.4.2008 | 1000 km Catalunya | 34 | RS Spyder Evo | Verstappen / van Merksteijn | Van Merksteijn MotorsportVAN | 6th |
| 6.4.2008 | 1000 km Catalunya | 75 | 997 GT3 RSR | Belloc / Balandras / Lecourt | Imsa Performance Matmut | 27th |
| 6.4.2008 | 1000 km Catalunya | 76 | 997 GT3 RSR | Lietz / Narac | Imsa Performance Matmut | 23rd |
| 6.4.2008 | 1000 km Catalunya | 77 | 997 GT3 RSR | Davison / Lieb | Team Felbermayr-Proton | 22nd |
| 6.4.2008 | 1000 km Catalunya | 88 | 997 GT3 RSR | Felbermayr, Jr. / Ried / Felbermayr, Sr. | Team Felbermayr-Proton | 29th |
| 6.4.2008 | 1000 km Catalunya | 91 | 997 GT3 RSR | Westbrook / Nielsen / Simonsen | Farnbacher Racing | DNF |
| 6.4.2008 | 1000 km Catalunya | 95 | 997 GT3 RSR | Forsten / Palttala / Daniels | James Watt Automotive | 28th |
| 6.4.2008 | Italian GT Monza | 103 | 997 GT3 Cup | Cappelletti / Pozzi | Promospeed | 21st/19th |
| 6.4.2008 | Italian GT Monza | 105 | 997 GT3 Cup | Petrini / Urbani | AGR Motorsport | DNF/29th |
| 6.4.2008 | Italian GT Monza | 106 | 997 GT3 Cup | Bianco / Bicciato | GDL Racing | 30th/22nd |
| 6.4.2008 | Italian GT Monza | 107 | 997 GT3 Cup | Campanello / Orsero | Happy Racer | 25th/16th |
| 6.4.2008 | Italian GT Monza | 111 | 997 GT3 Cup | Bellini / de Nora | Bonaldi Tech | 17th/20th |
| 6.4.2008 | Italian GT Monza | 112 | 997 GT3 Cup | Sala / Sada | Autorlando Sport | 16th/18th |
| 6.4.2008 | Italian GT Monza | 115 | 997 GT3 Cup | Morini / Castaldi | Ciesse Motorsport | 18th/24th |
| 6.4.2008 | Italian GT Monza | 201 | 996 GT3 | "Yah-Man" | Autorlando Sport | 27th/28th |
| 9.4.2008 | Mugello Test | | 997 GT2 | Lucchini / Lucchini | BMS | 12th |
| 13.4.2008 | Belcar Zolder Kick Off | 1 | 997 GT3 Cup S | Franchi / Soulet | GPR Pino Racing | 15th/DNF |
| 13.4.2008 | British GT Knockhill | 5 | 997 GT3 Cup S | Williams / Ashburn | Trackspeed | 4th/11th |
| 13.4.2008 | Belcar Zolder Kick Off | 11 | 997 GT3 Cup S | Couwberghs / Maes | NGT Racing | 16th/26th |
| 13.4.2008 | Belcar Zolder Kick Off | 51 | 997 GT3 Cup S | Penders / Lamot | Prospeed Competition | 7th/10th |
| 13.4.2008 | Belcar Zolder Kick Off | 64 | 997 GT3 Cup | Hladík / van Hover | Speedlover | 23rd/21st |
| 13.4.2008 | Belcar Zolder Kick Off | 123 | 996 GT3 Cup | van Oost / Sougnez | Powercars Racing | 17th/17th |
| 13.4.2008 | Belcar Zolder Kick Off | 207 | 996 Bi-Turbo GT2-R | Coekelberghs / Kuus | McDonald's Racing | 20th/DNF |
| 13.4.2008 | Belcar Zolder Kick Off | 217 | 996 Bi-Turbo GT2-R | Bouillon / Voets | McDonald's Racing | 29th/DNF |
| 13.4.2008 | Belcar Zolder Kick Off | 250 | 997 GT3 Cup | Lagrange / Nelissen-Grade | First Motorsport | 21st/20th |
| 13.4.2008 | Belcar Zolder Kick Off | 255 | 997 | Kelders / Palttala | GPR Pino Racing | 24th/13th |
| 14.4.2008 | 300 km Okayama | 26 | 996 GT3-RS | Taniguchi / Yamaji | Team Taisan With Nishizawa | 16th |
| 14.4.2008 | 300 km Okayama | 33 | 997 GT3 RSR | Kageyama / Kinoshita | Hankook KTR | 21st |
| 14.4.2008 | 300 km Okayama | 70 | 996 GT3-RS | Yamagishi / "Oyaji" | Team Gaikokuya | 29th |
| 14.4.2008 | 300 km Okayama | 110 | Boxster 986 | Mitsusada / Ikeda | Arktech Motorsports | 31st |
| 14.4.2008 | 300 km Okayama | 111 | Boxster 986 | Kurosawa / Koizumi | Arktech Motorsports | 37th |
| 19.4.2008 | Britcar Snetterton | 5 | 935 GT3 | Randeria / Allen / Chamberlain | Chimp Tune Racing | DNF |
| 19.4.2008 | 100 min Long Beach | 5 | 997 GT3 RSR | Stanton / Swartzbaugh | VICI Racing | 21st |
| 19.4.2008 | 100 min Long Beach | 6 | RS Spyder Evo | Maassen / Long | Penske Racing | 5th |
| 19.4.2008 | 100 min Long Beach | 7 | RS Spyder Evo | Bernhard / Dumas | Penske Racing | 4th |
| 19.4.2008 | Britcar Snetterton | 8 | 997 GT3 | Gaw / Dryburgh | Team Kinfaun | DNF |
| 19.4.2008 | Britcar Snetterton | 9 | 996 GT3-RSR | Harrison / Jordan | Team Eurotech | DNF |
| 19.4.2008 | Britcar Snetterton | 10 | 997 GT3 Cup | Collis / Mason | TJH Motorsport | 7th |
| 19.4.2008 | Britcar Snetterton | 14 | 996 GT3 | Mundy / Hyde / Hulford | Paul White / A1 Rally Sport | DNF |
| 19.4.2008 | 100 min Long Beach | 16 | RS Spyder Evo | Dyson / Smith | Dyson Racing Team | 9th |
| 19.4.2008 | Britcar Snetterton | 19 | 997 GT3 Cup | Jones / Jones / Jones | Eurotech Motorsport | 5th |
| 19.4.2008 | 100 min Long Beach | 20 | RS Spyder Evo | Franchitti / Leitzinger | Dyson Racing Team | 7th |
| 19.4.2008 | Britcar Snetterton | 27 | 911 GT3 Cup | Firman / Morris | Jaz Motorsport | DNF |
| 19.4.2008 | 250 miles Mexico | 27 | 997 GT3 Cup | O'Connell / Roush | O'Connell Racing | 25th |
| 19.4.2008 | Britcar Snetterton | 35 | 997 GT3 | Geddie / Geddie | ABG | 4th |
| 19.4.2008 | 100 min Long Beach | 44 | 997 GT3 RSR | Neiman / Pechnik | Flying Lizard Motorsports 44 | 20th |
| 19.4.2008 | 100 min Long Beach | 45 | 997 GT3 RSR | Bergmeister / Henzler | Flying Lizard Motorsports | 14th |
| 19.4.2008 | 100 min Long Beach | 46 | 997 GT3 RSR | Pilet / van Overbeek | Flying Lizard Motorsports | 15th |
| 19.4.2008 | Britcar Snetterton | 46 | 996 GT3 Cup | Wright / Masarati / Masarati | Driver | DNF |
| 19.4.2008 | Britcar Snetterton | 47 | 996 GT3-R | Heintzelman / Aitken | Geoff Steel Racing | DNF |
| 19.4.2008 | 250 miles Mexico | 66 | 997 GT3 Cup | Miller / Ballou | TRG | 20th |
| 19.4.2008 | 250 miles Mexico | 67 | 997 GT3 Cup | Pumpelly / George, Jr. | TRG | 27th |
| 19.4.2008 | Britcar Snetterton | 78 | 944 | Ballentyne / Ballentyne / Radford / Gibson | Team BBG Racing | 13th |
| 19.4.2008 | 250 miles Mexico | 80 | 997 GT3 Cup | Heylen / Scrogham | Synergy Racing | DNS |
| 19.4.2008 | 250 miles Mexico | 86 | 997 GT3 Cup | Lux / Keen | Farnbacher Loles Racing | 22nd |
| 19.4.2008 | 250 miles Mexico | 87 | 997 GT3 Cup | Kaffer / Werner | Farnbacher Loles Racing | 17th |
| 19.4.2008 | 100 min Long Beach | 87 | 997 GT3 RSR | Davison / Basseng | Farnbacher Loles Motorsports | 18th |
| 20.4.2008 | GT Open Vallelunga | 1 | 997 GT3 RSR | Lietz / Roda | Autorlando | 5th/21st |
| 20.4.2008 | GT Open Vallelunga | 2 | 997 GT3 RSR | Zonca / Belicchi | Autorlando | 12th/10th |
| 20.4.2008 | Brasil GT3 Curitiba | 5 | 997 GT3 Cup | Hermann / Brito | WB Motorsports | 14th/8th |
| 20.4.2008 | FIA GT3 Silverstone | 6 | 997 GT3 Cup S | Williams / Ashburn | Trackspeed | 10th/14th |
| 20.4.2008 | FIA GT3 Silverstone | 7 | 997 GT3 Cup S | Nuttal / Shelley | Trackspeed | 23rd/?th |
| 20.4.2008 | GT Open Vallelunga | 9 | 997 GT3 RSR | Miguel Ángel de Castro / Antonio Chacón | Detector Drivex Porsche | 10th/11th |
| 20.4.2008 | FIA GT3 Silverstone | 35 | 997 GT3 Cup S | Penders / Lamot | Prospeed Competition | 22nd/18th |
| 20.4.2008 | FIA GT3 Silverstone | 36 | 997 GT3 Cup S | Forsten / Loix | Prospeed Competition | 2nd/3rd |
| 20.4.2008 | FIA GT3 Silverstone | 39 | 997 GT3 Cup S | Thomas / Krumbach | Muehlner Motorsport | 17th/20th |
| 20.4.2008 | FIA GT3 Silverstone | 40 | 997 GT3 Cup S | Cloet / Bergmeister | Muehlner Motorsport | DNF/15th |
| 20.4.2008 | Tourist Trophy | 59 | 997 GT3 RSR | Williams / Ashburn | Trackspeed Racing | 26th |
| 20.4.2008 | Tourist Trophy | 60 | 997 GT3 RSR | Forsten / Palttala | Prospeed Competition | 18th |
| 20.4.2008 | Tourist Trophy | 61 | 997 GT3 RSR | Westbrook / Collard | Prospeed Competition | DQ |
| 27.4.2008 | 250 miles Virginia | 14 | 997 GT3 Cup | Friedman / McGehee | Autometrics Motorsports | 35th |
| 27.4.2008 | 250 miles Virginia | 22 | 997 GT3 Cup | de Quesada / Stanton | Alegra Motorsports | 43rd |
| 27.4.2008 | 250 miles Virginia | 29 | 997 GT3 Cup | Garcia / Gabel | Alegra Motorsports | 33rd |
| 27.4.2008 | 1000 km Monza | 31 | RS Spyder Evo | Elgaard / Nielsen | Team Essex | 8th |
| 27.4.2008 | 1000 km Monza | 34 | RS Spyder Evo | van Merksteijn / Verstappen | Van Merksteijn Motorsport | 9th |
| 27.4.2008 | FFSA GT Ledenon | 34 | 997 GT3 RSR | Champeau / Blugeon | Pro GT | 26th/22nd |
| 27.4.2008 | FFSA GT Ledenon | 35 | 996 GT3-RSR | Loger / Mouez | Nourry Compétition | 20th/18th |
| 27.4.2008 | FFSA GT Ledenon | 36 | 996 GT3-RSR | Fournet / Corbel | RMS Emeraude Racing | 25th/23rd |
| 27.4.2008 | FFSA GT Ledenon | 37 | 996 GT3-RSR | Monteiro / Monteiro | Estoril Racing | 22nd/29th |
| 27.4.2008 | FFSA GT Ledenon | 50 | 997 GT3 Cup | Charpilienne / Stépec | RMS Emeraude Racing | 24th/28th |
| 27.4.2008 | FFSA GT Ledenon | 63 | 997 GT3 Cup | Lelièvre / Polette | IMSA | 18th/19th |
| 27.4.2008 | 250 miles Virginia | 64 | 997 GT3 Cup | Lowe / Pace | TRG | 30th |
| 27.4.2008 | FFSA GT Ledenon | 67 | 997 GT3 Cup | Pont / Bachelier | GCR | 23rd/25th |
| 27.4.2008 | 250 miles Virginia | 67 | 997 GT3 Cup | Pumpelly / George, Jr. | TRG | 18th |
| 27.4.2008 | 250 miles Virginia | 71 | 997 GT3 Cup | Grant / Grant / Grant | Synergy Racing | 39th |
| 27.4.2008 | 1000 km Monza | 75 | 997 GT3 RSR | Balandras / Lecourt / Belloc | IMSA Performance Matmut | DNF |
| 27.4.2008 | 1000 km Monza | 76 | 997 GT3 RSR | Narac / Lietz | IMSA Performance Matmut | DQ |
| 27.4.2008 | 1000 km Monza | 77 | 997 GT3 RSR | Davison / Lieb | Team Felbermayr-Proton | 27th |
| 27.4.2008 | 250 miles Virginia | 80 | 997 GT3 Cup | Murry / Long | Synergy Racing | 31st |
| 27.4.2008 | 1000 km Monza | 91 | 997 GT3 RSR | Nielsen / Westbrook / Simonsen | Farnbacher Racing | 21st |
| 27.4.2008 | 1000 km Monza | 95 | 997 GT3 RSR | Daniels / Palttala / Sugden | James Watt Automotive | 28th |