| 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 | 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 | 118 | 996 GT3-RS | Jounai / Miyamoto / Kurihara | Tomei Sports | 31st |
| 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 | 14 | 997 GT3 Cup S | Häring / Steiner | Mühlner Motorsport | 6th/7th |
| 7.9.2008 | ADAC GT Lausitzring | 15 | 997 GT3 Cup S | Bergmeister / Bergmeister | Mühlner Motorsport | 1st/1st |
| 7.9.2008 | ADAC GT Lausitzring | 16 | 997 GT3 Cup S | de Groot / Van De Laar | Mühlner Motorsport | 7th/15th |
| 7.9.2008 | ADAC GT Lausitzring | 27 | 997 GT3 Cup | Langen / Rehfeld | Schnabl Engineering | 13th/11th |
| 7.9.2008 | FFSA GT Albi | 34 | 997 GT3 RSR | Champeau / Loeb | Pro GT | 15th/22nd |
| 7.9.2008 | FFSA GT Albi | 35 | 996 GT3-RSR | Loger / Mouez | Nourry Compétition | 14th/16th |
| 7.9.2008 | FFSA GT Albi | 36 | 997 GT3 RSR | Lelièvre / Polette | IMSA Performance | 17th/14th |
| 7.9.2008 | ADAC GT Lausitzring | 40 | 997 GT3 Cup S | Schmitter / Peham | G-Private-Racing | DNF/DNF |
| 7.9.2008 | FFSA GT Albi | 40 | 997 GT3 RSR | Balandras / Narac | IMSA Performance | 8th/9th |
| 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 |
| 14.9.2008 | FIA GT3 Brno | 6 | 997 GT3 Cup S | Williams / Ashburn | Trackspeed | 8th/14th |
| 14.9.2008 | FIA GT3 Brno | 7 | 997 GT3 Cup S | Nuttal / Shelley | Trackspeed | 24th/26th |
| 14.9.2008 | Italian GT Misano | 12 | 997 GT3 RSR | Wolf Henzler / Francisco Cruz Martins | Autorlando Sport | 1st/29th |
| 14.9.2008 | Italian GT Misano | 14 | 997 GT3 RSR | Pilet / Roda | Autorlando Sport | 2nd/14th |
| 14.9.2008 | 300 km Motegi | 26 | 996 GT3-RS | Taniguchi / Yamaji | Team Taisan With Nishizawa | 20th |
| 14.9.2008 | 1000 km Silverstone | 27 | RS Spyder Evo | Lienhard / Theys / Lammers | Horag Racing | 9th |
| 14.9.2008 | 300 km Motegi | 27 | 996 GT3-RSR | Inoue / Jin-Woo | Team Shadow | 34th |
| 14.9.2008 | 1000 km Silverstone | 31 | RS Spyder Evo | Elgaard / Nielsen | Team Essex | 12th |
| 14.9.2008 | 300 km Motegi | 33 | 997 GT3 RSR | Kageyama / Kinoshita | Hankook KTR | 22nd |
| 14.9.2008 | 1000 km Silverstone | 34 | RS Spyder Evo | van Merksteijn / Verstappen | Van Merksteijn Motorsport | 5th |
| 14.9.2008 | FIA GT3 Brno | 35 | 997 GT3 Cup S | Forsten / Penders | Prospeed Competition | 16th/18th |
| 14.9.2008 | FIA GT3 Brno | 36 | 997 GT3 Cup S | Loix / Lémeret | Prospeed Competition | DNF/DNF |
| 14.9.2008 | FIA GT3 Brno | 39 | 997 GT3 Cup S | Thomas / Jiřík | Muehlner Motorsport | DNF/15th |
| 14.9.2008 | FIA GT3 Brno | 40 | 997 GT3 Cup S | | Muehlner Motorsport | unused |
| 14.9.2008 | GT4 Euro Brno | 53 | 997 GT3 | Mark Mayall | | 11th/6th/6th |
| 14.9.2008 | 2 h Brno | 59 | 997 GT3 RSR | Williams / Ashburn | Trackspeed Racing | 21st |
| 14.9.2008 | 2 h Brno | 60 | 997 GT3 RSR | Forsten / Palttala | Prospeed Competition | 13th |
| 14.9.2008 | 2 h Brno | 61 | 997 GT3 RSR | Westbrook / Collard | Prospeed Competition | DNF |
| 14.9.2008 | 300 km Motegi | 70 | 996 GT3-RS | Yamagishi / Ishibashi | Team Gaikokuya | 37th |
| 14.9.2008 | 1000 km Silverstone | 75 | 997 GT3 RSR | Balandras / Lecourt | Imsa Performance Matmut | DNF |
| 14.9.2008 | 1000 km Silverstone | 76 | 997 GT3 RSR | Narac / Lietz | Imsa Performance Matmut | DNF |
| 14.9.2008 | 1000 km Silverstone | 77 | 997 GT3 RSR | Davison / Lieb | Team Felbermayr-Proton | 27th |
| 14.9.2008 | 2 h Brno | 79 | 997 GT3 RSR | Janák / Bergmeister | K plus K Motorsport | 10th |
| 14.9.2008 | 1000 km Silverstone | 88 | 997 GT3 RSR | Ried / Felbermayr, Jr. / Felbermayr, Sr. | Team Felbermayr-Proton | 30th |
| 14.9.2008 | 2 h Brno | 88 | 997 GT3 RSR | Konôpka / Reindler | ARC Bratislava | NC |
| 14.9.2008 | 1000 km Silverstone | 91 | 997 GT3 RSR | Nielsen / Werner | Farnbacher Racing | DNF |
| 14.9.2008 | 1000 km Silverstone | 95 | 997 GT3 RSR | Daniels / Griffin / Bamford | James Watt Automotive | DNF |
| 14.9.2008 | Italian GT Misano | 103 | 997 GT3 Cup | Cappelletti / della Volta | Promospeed | 18th/30th |
| 14.9.2008 | Italian GT Misano | 105 | 997 GT3 Cup | Petrini / Crocioni | AGR Motorsport | 28th/23rd |
| 14.9.2008 | Italian GT Misano | 107 | 997 GT3 Cup | Orsero / Campanello | Happy Racer | 27th/18th |
| 14.9.2008 | 300 km Motegi | 110 | Boxster 986 | Mitsusada / Ikeda | Arktech Motorsports | 21st |
| 14.9.2008 | Italian GT Misano | 111 | 997 GT3 Cup | de Nora / Bellini | Bonaldi Tech | 21st/19th |
| 14.9.2008 | 300 km Motegi | 111 | Boxster 986 | Kurosawa / Koizumi | Arktech Motorsports | 35th |
| 14.9.2008 | Italian GT Misano | 112 | 997 GT3 Cup | Sada / Sala | Autorlando Sport | 20th/24th |
| 14.9.2008 | Italian GT Misano | 115 | 997 GT3 Cup | Greco / Morini | Ciesse Motorsport | 19th/DNF |
| 14.9.2008 | 300 km Motegi | 118 | 996 GT3-RS | Kurihara / Miyamoto | Tomei Sports | 38th |
| 14.9.2008 | Italian GT Misano | 124 | 996 GT3 Cup | Bocellari / Urbani | AGR Motorsport | DNF/DNS |
| 14.9.2008 | Italian GT Misano | 127 | 997 GT3 Cup | Castaldi / Brambati | AB Motorsport/Antonelli Motorsport | DNF/DNF |
| 20.9.2008 | 1000 km Miller | 67 | 997 GT3 Cup | Lally / Long / George, Jr. | TRG | 14th |
| 20.9.2008 | 1000 km Miller | 86 | 997 GT3 Cup | Lux / Keen / Farnbacher | Farnbacher Loles Racing | 25th |
| 20.9.2008 | 1000 km Miller | 87 | 997 GT3 Cup | Werner / Miller / Henzler | Farnbacher Loles Racing | 19th |