| 11.5.2008 | 1000 km Spa | 27 | RS Spyder Evo | Lienhard / Theys / Lammers | Horag Racing | 7th |
| 11.5.2008 | 1000 km Spa | 31 | RS Spyder Evo | Elgaard / Nielsen | Team Essex | 8th |
| 11.5.2008 | 1000 km Spa | 34 | RS Spyder Evo | Verstappen / van Merksteijn | Van Merksteijn Motorsport | 6th |
| 11.5.2008 | ADAC GT Oschersleben | 40 | 997 GT3 Cup | Peham / Schmitter | G-Private-Racing | 16th/16th |
| 11.5.2008 | 1000 km Spa | 75 | 997 GT3 RSR | Balandras / Lecourt | IMSA Performance Matmut | DNF |
| 11.5.2008 | 1000 km Spa | 76 | 997 GT3 RSR | Narac / Lietz | IMSA Performance Matmut | 22nd |
| 11.5.2008 | 1000 km Spa | 77 | 997 GT3 RSR | Davison / Lieb | Team Felbermayr-Proton | 18th |
| 11.5.2008 | 1000 km Spa | 88 | 997 GT3 RSR | Ried / Felbermayr, Jr. / Felbermayr, Sr. | Team Felbermayr-Proton | 19th |
| 11.5.2008 | 1000 km Spa | 91 | 997 GT3 RSR | Nielsen / Westbrook / Simonsen | Farnbacher Racing | DNF |
| 11.5.2008 | 1000 km Spa | 95 | 997 GT3 RSR | Daniels / Palttala / Sugden | James Watt Automotive | 25th |
| 17.5.2008 | 250 miles Laguna Seca | 27 | 997 GT3 Cup | O'Connell / Roush | O'Connell Racing | 19th |
| 17.5.2008 | 250 miles Laguna Seca | 64 | 997 GT3 Cup | Lowe / Pace | TRG | 41st |
| 17.5.2008 | 250 miles Laguna Seca | 65 | 997 GT3 Cup | Stanton / Maher | TRG/Riegel Autosport | 21st |
| 17.5.2008 | 250 miles Laguna Seca | 66 | 997 GT3 Cup | Miller / Ballou | TRG | 23rd |
| 17.5.2008 | 250 miles Laguna Seca | 67 | 997 GT3 Cup | Pumpelly / George, Jr. | TRG | 15th |
| 17.5.2008 | 250 miles Laguna Seca | 68 | 997 GT3 Cup | Valentine / Sellers | TRG | 37th |
| 17.5.2008 | 250 miles Laguna Seca | 86 | 997 GT3 Cup | Lux / Keen | Farnbacher Loles Racing | 18th |
| 17.5.2008 | 250 miles Laguna Seca | 87 | 997 GT3 Cup | Werner / Kaffer | Farnbacher Loles Racing | 25th |
| 17.5.2008 | 250 miles Laguna Seca | 88 | 997 GT3 Cup | Lacey / Johnson | Farnbacher Loles Racing | 20th |
| 17.5.2008 | 250 miles Laguna Seca | 96 | 996 GT3 Cup | Long / Potter | Air Power Racing | DNA |
| 18.5.2008 | GT Open Valencia | 1 | 997 GT3 RSR | Lietz / Roda | Autorlando | 1st/12th |
| 18.5.2008 | GT Open Valencia | 2 | 997 GT3 RSR | Zonca / Belicchi | Autorlando | DNF/11th |
| 18.5.2008 | 2 h 45 min Salt Lake City | 5 | 997 GT3 RSR | Swartzbaugh / Stanton | VICI Racing | 23rd |
| 18.5.2008 | 2 h 45 min Salt Lake City | 6 | RS Spyder Evo | Maassen / Long | Penske Racing | 2nd |
| 18.5.2008 | FIA GT3 Monza | 6 | 997 GT3 Cup S | Williams / Ashburn | Trackspeed | DNF/7th |
| 18.5.2008 | 2 h 45 min Salt Lake City | 7 | RS Spyder Evo | Bernhard / Dumas | Penske Racing | 1st |
| 18.5.2008 | FIA GT3 Monza | 7 | 997 GT3 Cup S | Nuttal / Shelley | Trackspeed | 20th/DNF |
| 18.5.2008 | GT Open Valencia | 9 | 997 GT3 RSR | de Castro / Chacón | Detector Drivex Porsche | 11th/8th |
| 18.5.2008 | 2 h 45 min Salt Lake City | 16 | RS Spyder Evo | Dyson / Smith | Dyson Racing Team | 6th |
| 18.5.2008 | 2 h 45 min Salt Lake City | 18 | 997 GT3 RSR | Carrapatoso / Pastorelli | VICI Racing | 22nd |
| 18.5.2008 | 2 h 45 min Salt Lake City | 20 | RS Spyder Evo | Leitzinger / Franchitti | Dyson Racing Team | 4th |
| 18.5.2008 | GT Open Valencia | 22 | 996 GT3-RSR | Fratti / Caffi | Autorlando | 7th/16th |
| 18.5.2008 | FIA GT3 Monza | 35 | 997 GT3 Cup S | Lamot / Penders | Prospeed Competition | 19th/10th |
| 18.5.2008 | FIA GT3 Monza | 36 | 997 GT3 Cup S | Loix / Lémeret | Prospeed Competition | DNF/DNF |
| 18.5.2008 | FIA GT3 Monza | 39 | 997 GT3 Cup S | Thomas / Jiřík | Muehlner Motorsport | 13th/12th |
| 18.5.2008 | FIA GT3 Monza | 40 | 997 GT3 Cup S | Bergmeister / Cloet | Muehlner Motorsport | 16th/28th |
| 18.5.2008 | 2 h 45 min Salt Lake City | 44 | 997 GT3 RSR | Neiman / Law | Flying Lizard Motorsports 44 | 17th |
| 18.5.2008 | 2 h 45 min Salt Lake City | 45 | 997 GT3 RSR | Henzler / Bergmeister | Flying Lizard Motorsports | 13th |
| 18.5.2008 | 2 h 45 min Salt Lake City | 46 | 997 GT3 RSR | Pilet / van Overbeek | Flying Lizard Motorsports | 14th |
| 18.5.2008 | 2 h Monza | 59 | 997 GT3 RSR | Williams / Ashburn | Trackspeed Racing | 23rd |
| 18.5.2008 | 2 h Monza | 60 | 997 GT3 RSR | Forsten / Palttala | Prospeed Competition | 22nd |
| 18.5.2008 | 2 h Monza | 61 | 997 GT3 RSR | Westbrook / Collard | Prospeed Competition | 10th |
| 18.5.2008 | 2 h 45 min Salt Lake City | 87 | 997 GT3 RSR | Basseng / Werner | Farnbacher Loles Racing | DQ |
| 18.5.2008 | 2 h Monza | 99 | 997 GT3 RSR | "Victor" / Coggiola | Victor Racing | 25th |
| 24.5.2008 | ADAC GT Nürburgring | 15 | 997 GT3 Cup S | Bergmeister / Basseng | Mühlner Motorsport | 6th/4th |
| 24.5.2008 | ADAC GT Nürburgring | 16 | 997 GT3 Cup S | de Groot / Van De Laar | Mühlner Motorsport | 13th/14th |
| 24.5.2008 | ADAC GT Nürburgring | 27 | 997 GT3 Cup | Langen / Hannawald | Schnabl Engineering | DNS/19th |
| 24.5.2008 | ADAC GT Nürburgring | 28 | 997 GT3 Cup | Lauck / Richter | JvO Autosport | 12th/13th |
| 24.5.2008 | ADAC GT Nürburgring | 33 | 997 GT3 Cup S | Arnold / Stippler | Heico Motorsport | 1st/12th |
| 24.5.2008 | ADAC GT Nürburgring | 39 | 997 GT3 Cup | Dragoun / Ellinger | G-Private-Racing | 15th/17th |
| 24.5.2008 | ADAC GT Nürburgring | 40 | 997 GT3 Cup | Peham / Schmitter | G-Private-Racing | 14th/16th |
| 25.5.2008 | 24 h Nürburgring | 1 | 997 GT3 RSR | Bernhard / Lieb / Dumas / Tiemann | Manthey Racing | 1st |
| 25.5.2008 | 24 h Nürburgring | 3 | 911 GT3 RSR | Basseng / Stuck / Simon | Land-Motorsport PZ Aschaffenburg | DNF |
| 25.5.2008 | 24 h Nürburgring | 4 | 911 | Alzen / Gedlich / Abt / Menzel | Hankook / H&R Spezialfedern | DNF |
| 25.5.2008 | 24 h Nürburgring | 9 | 997 GT3 RS | Schratz / Siegler / Herbst / Vogler | steam-racing GmbH | DNF |
| 25.5.2008 | 24 h Nürburgring | 22 | 997 GT3 RSR | Stippler / Collard / Franchitti / Westbrook | HISAQ Competition | DNF |
| 25.5.2008 | 24 h Nürburgring | 23 | 997 GT3-MR | Kaffer / Hahne / Haarmann / Krumbach | Manthey Racing | 2nd |
| 25.5.2008 | 24 h Nürburgring | 24 | 997 GT3 | Weiss / Pietsch / Jacobs / Schornstein, Jr. | Wochenspiegel Team Manthey | DNF |
| 25.5.2008 | 24 h Nürburgring | 25 | 997 GT3 | Lambrecht / Hemroulle / Arnold | Manthey Racing | 8th |
| 25.5.2008 | 24 h Nürburgring | 26 | 997 GT3 Cup | Kräling / Gindorf / Scharmach / Ragginger | Manthey Racing | 5th |
| 25.5.2008 | 24 h Nürburgring | 27 | 997 GT3 Cup | Williams / Cooke / Perry / Reeves | Manthey Racing | 12th |
| 25.5.2008 | 24 h Nürburgring | 28 | 997 GT3 Cup | Weiland / Roth / Klein / Feidt | Scuderia Offenbach | 49th |
| 25.5.2008 | 24 h Nürburgring | 29 | 997 GT3 Cup | Weiland / Mayer / Wirtz / Groß | Scuderia Offenbach | DNF |
| 25.5.2008 | 24 h Nürburgring | 30 | 997 GT3 Cup | Kohlstrung / Wahl / Bär / Elm | | 20th |
| 25.5.2008 | 24 h Nürburgring | 31 | 997 GT3 RSR | Frers / Kaffer / Bernhardt / Hardt | paragon AG | DNF |
| 25.5.2008 | 24 h Nürburgring | 32 | 996 GT3 Cup | Schmidt / Haezebrouck / Horn / Klüber | | DNF |
| 25.5.2008 | 24 h Nürburgring | 33 | 997 GT3 Cup | Matveev / Gorban / Gryazin / Tsarev | Land-Motorsport PZ Aschaffenburg | 10th |
| 25.5.2008 | 24 h Nürburgring | 35 | 997 GT3 Cup | Tschornia / Kovac / Asch / Asch | | DNF |
| 25.5.2008 | 24 h Nürburgring | 37 | 911 GT3 Cup | Graf / "König" / Schlichenmeier / Scheunemann | Team RDM-Cargraphic-Racing | 139th |
| 25.5.2008 | 24 h Nürburgring | 39 | 996 GT3 Cup | O'Donnell / Dippie / O'Donnell / Stewart | GT3 Endurance/Motorsport Services | 55th |
| 25.5.2008 | 24 h Nürburgring | 42 | 964 Carrera RS | Kuhn / Schmid / Wasel / Gerhardy | | 56th |
| 25.5.2008 | 24 h Nürburgring | 43 | 997 GT3 | Destree / Jodexnis / Seefried / Leipert | | DNF |
| 25.5.2008 | 24 h Nürburgring | 45 | 997 GT3 Cup | Jörn Schmidt-Staade | AGON Motorsport | 7th |
| 25.5.2008 | 24 h Nürburgring | 46 | 997 GT3 Cup | Peters / Karlsson / Plesse / Kohler | AGON Motorsport | 9th |
| 25.5.2008 | 24 h Nürburgring | 47 | GT3 | Grüter / Budde / Werner / Borkowsky | | 17th |
| 25.5.2008 | 24 h Nürburgring | 49 | 996 GT3 Cup | Pernvall / Lund / Strandberg / Andreasson | Porsche Center Boras | 44th |
| 25.5.2008 | 24 h Nürburgring | 50 | 997 GT3 RSR | Juniper / Twigg / Said / Luff | Juniper Racing | DNF |
| 25.5.2008 | 24 h Nürburgring | 51 | 996 GT3-RS | Levin / Morin / Rydquist / Thelin | | DNF |
| 25.5.2008 | 24 h Nürburgring | 54 | 996 GT3 | Krumbach / Fuchs / Cassina / Jacoma | | 21st |
| 25.5.2008 | 24 h Nürburgring | 56 | 996 GT3 Cup | Rövenich / Brügmann / Merten / Silvester | Bonnfinanz Motorsport | DNF |
| 25.5.2008 | 24 h Nürburgring | 82 | 968 GPE | Dupont / Giavedoni / Juchault | | 141st |
| 25.5.2008 | 24 h Nürburgring | 87 | 996 GT3 Cup | Klos / Irmgratz / Wiesner / Konôpka | | 52nd |
| 25.5.2008 | 24 h Nürburgring | 98 | 911 GT3 RS | Quinn / Quinn / Baird / Webb | | DNF |
| 25.5.2008 | 24 h Nürburgring | 99 | 996 | Taplin / Grant / Fitzgerald / Kelly | | 138th |
| 25.5.2008 | 24 h Nürburgring | 121 | 997 | Schmitz / Abbelen / Viersen / Heyer | | 3rd |
| 26.5.2008 | British GT Rockingham | 5 | 997 GT3 Cup S | Harvey / Ashburn | Trackspeed | 9th/7th |
| 26.5.2008 | 250 miles Lime Rock [GT] | 65 | 997 GT3 Cup | Potter / Stanton | TRG/Riegel Autosport | 13th |
| 26.5.2008 | 250 miles Lime Rock [GT] | 66 | 997 GT3 Cup | Miller / Ballou | TRG | 10th |
| 26.5.2008 | 250 miles Lime Rock [GT] | 67 | 997 GT3 Cup | Pumpelly / George, Jr. | TRG | 6th |
| 26.5.2008 | 250 miles Lime Rock [GT] | 68 | 997 GT3 Cup | Valentine / Sellers / Lally | TRG | 11th |
| 26.5.2008 | 250 miles Lime Rock [GT] | 86 | 997 GT3 Cup | Lux / Keen | Farnbacher Loles Racing | 14th |
| 26.5.2008 | 250 miles Lime Rock [GT] | 87 | 997 GT3 Cup | Werner / Farnbacher | Farnbacher Loles Racing | 15th |
| 30.5.2008 | Britcar Spa | 10 | 997 GT3 Cup | Collis / Mason | Team PCR | 21st |
| 30.5.2008 | Britcar Spa | 14 | 997 GT3 Cup | Mundy / Hulford | RSS Performance | 4th |
| 30.5.2008 | Britcar Spa | 22 | 996 GT3-RSR | Tate / Scott | Peter Hignett / ABG Motorsport | 5th |
| 30.5.2008 | Britcar Spa | 27 | 911 GT3 Cup | Firman / Bell | Jaz Motorsport | 13th |
| 30.5.2008 | Britcar Spa | 36 | 997 GT3 Cup | MacKintosh / Lockie | RSS Performance | 15th |
| 30.5.2008 | Britcar Spa | 37 | 996 GT3 Cup | Schulz / Schultz | Topper Team | 10th |
| 30.5.2008 | Britcar Spa | 38 | 996 GT4 | Barrett / Persson / Shepherd | Hawthorns Motorsport | 11th |
| 30.5.2008 | Britcar Spa | 46 | 996 GT3 Cup | Masarati / Wright / Masarati | Driver | 12th |