| 24.8.2003 | 24 h Zolder | 3 | 996 Bi-Turbo | Wauters / Bruynoghe / Wauters / Vanierschot | AD Sport | 3rd |
| 24.8.2003 | 24 h Zolder | 6 | 996 Bi-Turbo | Meulders / Geboers / Neyens / Jacobs | Sport Promoteam Racing | DNF |
| 24.8.2003 | 24 h Zolder | 7 | 996 Bi-Turbo | Vancraeynest / Janssen / Daelemans | Ham Car Tuning | DNF |
| 24.8.2003 | 24 h Zolder | 8 | 993 Bi-Turbo | van Dyck / Raus / Moonen / Raus | Ham Car Tuning | DNF |
| 24.8.2003 | 24 h Zolder | 12 | 993 | Kurris / De Vos / Meuwissen / Van der Made | H&M Racing | 22nd |
| 24.8.2003 | 24 h Zolder | 14 | 996 Bi-Turbo | Van Sande / Palttala / Virtanen | RTM Racing | DNF |
| 24.8.2003 | 24 h Zolder | 20 | 996 Bi-Turbo | Menten / Verbergt / Hemroulle | AD Sport | 2nd |
| 24.8.2003 | 24 h Zolder | 31 | 996 GT3-RS | Penders / Goossens / Dujardyn | RTM Racing | DNF |
| 24.8.2003 | 24 h Zolder | 32 | 996 GT3-R | Lamot / Couwberghs / Gonnissen | RTM Racing | DNF |
| 24.8.2003 | 24 h Zolder | 33 | 996 GT3 Cup | Schreurs / Grootaers / Verheyen / de Craene | GLPK Racing | 5th |
| 24.8.2003 | 24 h Zolder | 34 | 993 | Van der Broeck / Van Maldeghem / Herman / Coenen | AD Sport | 11th |
| 24.8.2003 | 24 h Zolder | 35 | 996 GT3 Cup | Geerinckx / Thiron / Geerinckx | AD Sport | DNF |
| 24.8.2003 | 24 h Zolder | 36 | 996 GT3-RS | Thiers / Thiers / Thiers / Vanmoerkerke | Russell Racing | 4th |
| 24.8.2003 | 24 h Zolder | 38 | 996 GT3 Cup | Vollebergh / De Laet / Dentant | Markant Racing | 6th |
| 24.8.2003 | 24 h Zolder | 45 | 993 GT2 | Ceusters / Metior / Evers | Sport Promoteam Racing | 21st |
| 24.8.2003 | 24 h Zolder | 46 | 993 | Verhoeven / Van Hoof / Döring / Van de Plas | Speedlover | 7th |
| 24.8.2003 | 24 h Zolder | 50 | 996 GT3-RS | van Merksteijn / Snel / Munsterhuis | System Force Motorsport | DNF |
| 24.8.2003 | 24 h Zolder | 57 | 911/99 | de Gastines / Nelissen-Grade / Dumarey | RTM Racing | 16th |
| 25.8.2003 | 1000 km Suzuka | 69 | 996 GT3-R | Wada / Kageyama / Inoue | Teramoto Technical Office | 9th |
| 25.8.2003 | 1000 km Suzuka | 70 | 996 GT3-R | Ishibashi / Kurosawa / Yamagishi | Team Gaikokuya | 13th |
| 25.8.2003 | 1000 km Suzuka | 111 | 996 GT3-R | Fujita / Haga / Iijima | Arktech Motorsports | DNF |
| 25.8.2003 | 1000 km Suzuka | 112 | 968 | Kaneko / Yoshiura / Higuchi | Arktech Motorsports | NC |
| 25.8.2003 | 1000 km Suzuka | 911 | 996 GT3-R | Tanaka / Miyagawa / Ishihara | 910 Racing | DNF |
| 31.8.2003 | SM GTR Knutstorp | 1 | 996 GT3-RS | Clausen / Nyström | Podium Racing | 2nd/2nd |
| 31.8.2003 | SM GTR Knutstorp | 2 | 996 GT3 Cup | Hammer / Bengtzon | Hammer Bengtzon | 8th/7th |
| 31.8.2003 | SM GTR Knutstorp | 5 | 993 GT3 | Claés Lund | Lund Motorsport | 5th/5th |
| 31.8.2003 | 1000 km Spa | 9 | 996 GT2 Bi-Turbo | Hindley / Berridge | Gruppe M/Tech 9 Motorsport | DNA |
| 31.8.2003 | SM GTR Knutstorp | 33 | 993 Carrera RSR | Anders Roos | Anders Roos | 6th/6th |
| 31.8.2003 | 1000 km Spa | 74 | 996 Bi-Turbo | Jordan / Sumpter | Team Eurotech | DNA |
| 31.8.2003 | 1000 km Spa | 111 | 996 GT3-R | Fumal / Casadei / Jurasz | Graham Nash Motorsport | 20th |
| 31.8.2003 | 1000 km Spa | 140 | 996 Turbo | Cook / Pelle | Franck Pelle | 16th |
| 31.8.2003 | 1000 km Spa | 176 | 996 GT3 Cup | Pearce / Griffin / Berridge | Patrick Pearce | DNF |
| 31.8.2003 | 1000 km Spa | 177 | 996 GT3 Cup | Shrimpton / Halliday / Stretton | Liz Halliday | 15th |
| 31.8.2003 | 1000 km Spa | | | | Steve van Bellingen | DNA |
| 1.9.2003 | 500 km Interlagos | | 996 GT3 | Moraes Barros / Mesquita / Magalhaes Filho | | 5th |
| 1.9.2003 | 500 km Interlagos | | 996 GT3 | Bonifácio / Peternostro / Losacco | | 4th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 23 | 996 GT3-RS | Maassen / Luhr | Alex Job Racing | 11th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 24 | 996 GT3-RS | Bernhard / Bergmeister | Alex Job Racing | 21st |
| 7.9.2003 | 2 h 45 min Laguna Seca | 31 | 996 GT3-RS | Stanton / Mowlem | White Lightning/Petersen Motorsports | 14th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 33 | 996 GT3-RS | Pumpelly | ZIP Racing | 33rd |
| 7.9.2003 | 2 h 45 min Laguna Seca | 39 | 996 GT3-RS | Ivankovich / Kapudija | ZIP Racing | DNA |
| 7.9.2003 | 2 h 45 min Laguna Seca | 42 | 996 GT3-RS | Policastro / Policastro, Jr. | Orbit Racing | 23rd |
| 7.9.2003 | 2 h 45 min Laguna Seca | 43 | 996 GT3-RS | Hindery / Baron | Orbit Racing | 27th |
| 7.9.2003 | 500 km Anderstorp | 50 | 996 GT3-RS | Lieb / Ortelli | Freisinger Motorsport | 8th |
| 7.9.2003 | 500 km Anderstorp | 51 | 996 GT3-RS | Gardel / Longin | Freisinger Motorsport | 11th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 52 | 996 GT3-RS | Collin / Burgess | Seikel Motorsport | DNA |
| 7.9.2003 | 2 h 45 min Laguna Seca | 60 | 996 GT3-R | Liddell / Caffi | P.K. Sport | 15th |
| 7.9.2003 | 500 km Anderstorp | 61 | 996 GT3-R | Sugden / Collard | EMKA Racing | 6th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 61 | 996 GT3-R | Rice / Warnock | P.K. Sport | 24th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 66 | 996 GT3-RS | Buckler / Wagner | The Racer's Group | 16th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 67 | 996 GT3-RS | Schrom / Ehret | The Racer's Group | 22nd |
| 7.9.2003 | 2 h 45 min Laguna Seca | 68 | 996 GT3-RS | Bunting / Gleason | The Racer's Group | 20th |
| 7.9.2003 | 500 km Anderstorp | 69 | 996 GT3-RS | Ried / Ried | Proton Competition | 16th |
| 7.9.2003 | 500 km Anderstorp | 74 | 996 GT3-R | Mayall / von Gartzen | Team Eurotech | 12th |
| 7.9.2003 | 500 km Anderstorp | 77 | 996 GT3-RS | Vasiliev / Fomenko | RWS Yukos Motorsport | 14th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 79 | 996 GT3-RS | Jackson / Murry | J-3 Racing, Inc. | 29th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 89 | 996 GT3-RS | Negri / Frisselle | Inline Cunningham Racing | 31st |
| 7.9.2003 | 500 km Anderstorp | 99 | 996 GT3-R | Daoudi / Jones | RWS Yukos Motorsport | 10th |
| 14.9.2003 | Spanish GT Valencia | 3 | 993 GT2 | Diez de Villarroel / Fernandez | Jesus Diez Villarroel | 6th/4th |
| 14.9.2003 | Spanish GT Valencia | 5 | 993 GT2 | Mello-Breyner / Mello-Breyner | Team Galp Formula | 5th/2nd |
| 14.9.2003 | Spanish GT Valencia | 9 | 993 GT2 | Caternet / Maury-Laribiére | Noel Del Bello Racing | 13th/11th |
| 14.9.2003 | Spanish GT Valencia | 10 | 996 GT3-RS | Villalba Ruiz / Gutiérrez | Motor Competicion | 2nd/18th |
| 14.9.2003 | Spanish GT Valencia | 12 | 996 GT3-RS | Pais Do Amaral / Couceiro | ASM Team | 3rd/DNF |
| 14.9.2003 | Spanish GT Valencia | 14 | 996 GT3-RS | Brocard / Desbruères | Daniel Desbrueres | 10th/6th |
| 14.9.2003 | Motegi GT | 24 | 996 GT3-R | Yogo / Asai | Team Taisan Jr. | 32nd |
| 14.9.2003 | Motegi GT | 26 | 996 GT3-RS | Yamaji / Nishizawa | Team Taisan Advan | DNF |
| 14.9.2003 | Spanish GT Valencia | 27 | 996 GT3 Cup | Valero / Martinez Aspar | Circuito Comunidad Valenciana | 14th/16th |
| 14.9.2003 | Spanish GT Valencia | 33 | 993 Carrera RSR | Banus / Martín Cantero | Club Jarama Race | DNS |
| 14.9.2003 | Motegi GT | 61 | 996 GT3-R | Katsumata / Ihara | R&D Sports | 24th |
| 14.9.2003 | Spanish GT Valencia | 62 | 996 GT3-RS | Robinson / Perez Fontan | Cirtek | 7th/3rd |
| 14.9.2003 | Motegi GT | 69 | 996 GT3-R | Yamagishi / Itaka | Team Gaikokuya | 22nd |
| 14.9.2003 | Motegi GT | 70 | 996 GT3-R | Ishibashi / Ihashi | Team Gaikokuya | 30th |
| 14.9.2003 | Motegi GT | 111 | 996 GT3-R | Iijima / Haga | Arktech Motorsports | 29th |
| 14.9.2003 | Motegi GT | 910 | 996 GT3-R | Hirakawa / Miyagawa | 910 Racing | 28th |
| 14.9.2003 | Motegi GT | 911 | 996 GT3-RS | Takamizawa / Sunako | 910 Racing | 23rd |
| 21.9.2003 | Belcar Spa RF | 3 | 996 Bi-Turbo | Wauters / Wauters | AD Sport | DNF |
| 21.9.2003 | Belcar Spa RF | 6 | 996 Bi-Turbo | Meulders / Geboers | Sport Promoteam Racing | DNA |
| 21.9.2003 | Belcar Spa RF | 7 | 996 Bi-Turbo | Vancraeynest / Janssen | Ham Car Tuning | 12th |
| 21.9.2003 | Belcar Spa RF | 8 | 993 Bi-Turbo | van Dyck / Raus | Ham Car Tuning | DNF |
| 21.9.2003 | Belcar Spa RF | 14 | 996 Bi-Turbo | Van Sande / Palttala | RTM Racing | DNF |
| 21.9.2003 | Belcar Spa RF | 20 | 996 Bi-Turbo | Menten / Verbergt | AD Sport | DNF |
| 21.9.2003 | Belcar Spa RF | 31 | 996 GT3-RS | Penders / Goossens | RTM Racing | DNS |
| 21.9.2003 | Belcar Spa RF | 33 | 996 GT3 Cup | Schreurs / Verheyen | GLPK Racing | 10th |
| 21.9.2003 | Belcar Spa RF | 35 | 996 GT3 Cup | Thiron / Geerinckx | AD Sport | 15th |
| 21.9.2003 | Belcar Spa RF | 36 | 996 GT3-RS | Thiers / Thiers | Russell Racing | 6th |
| 21.9.2003 | Belcar Spa RF | 37 | 996 GT3-R | Verrycken / Van Rossem | Markant Racing | DNA |
| 21.9.2003 | Belcar Spa RF | 38 | 996 GT3 Cup | Vollebergh / De Laet | Markant Racing | 14th |
| 21.9.2003 | Belcar Spa RF | 40 | 996 GT3-RS | Lefort / Lambert | Ice Pol Racing Team | 5th |
| 21.9.2003 | Belcar Spa RF | 45 | 993 GT2 | Ceusters / Metior | Sport Promoteam Racing | 19th |
| 21.9.2003 | Belcar Spa RF | 46 | 993 | Verhoeven / Döring | Speedlover | 11th |
| 21.9.2003 | 500 km Oschersleben | 50 | 996 GT3-RS | Ortelli / Lieb | Freisinger Motorsport | 10th |
| 21.9.2003 | 500 km Oschersleben | 51 | 996 GT3-RS | Longin / Gardel | Freisinger Motorsport | 15th |
| 21.9.2003 | 500 km Oschersleben | 61 | 996 GT3-R | Sugden / Collard | EMKA Racing | 8th |
| 21.9.2003 | 500 km Oschersleben | 69 | 996 GT3-RS | Ried / Ried | Proton Competition | 21st |
| 21.9.2003 | 500 km Oschersleben | 74 | 996 GT3-RS | Jordan / Sumpter | Team Eurotech | 13th |
| 21.9.2003 | 500 km Oschersleben | 75 | 996 GT3-R | Jones / Jones | Team Eurotech | 19th |
| 21.9.2003 | 500 km Oschersleben | 77 | 996 GT3-RS | Vasiliev / Fomenko | RWS Yukos Motorsport | 17th |
| 21.9.2003 | 500 km Oschersleben | 85 | 996 GT3-R | Mayall / Khan | JVG Racing | DNS |
| 21.9.2003 | 500 km Oschersleben | 86 | 996 GT3-RS | Felbermayr, Jr. / Felbermayr, Sr. / von Gartzen | JVG Racing | 20th |
| 21.9.2003 | 500 km Oschersleben | 99 | 996 GT3-R | Daoudi / Wolff | RWS Yukos Motorsport | 14th |