| 18.5.2003 | SM GTR Mantorp Park | 1 | 996 GT3-RS | Gustavsson / Nyström | Podium Racing | 2nd/2nd |
| 18.5.2003 | SM GTR Mantorp Park | 2 | 996 GT3-RS | Anders Hammer | Podium Racing | 11th/7th |
| 18.5.2003 | Spanish GT Jarama | 5 | 993 GT2 | Mello-Breyner / Mello-Breyner | Team Galp Formula | 4th/2nd |
| 18.5.2003 | SM GTR Mantorp Park | 5 | 993 GT3 | Claés Lund | Lund Motorsport | 6th/DNF |
| 18.5.2003 | SM GTR Mantorp Park | 6 | 996 GT3-RS | Bernard Löhr | Team Löhr Racing | 5th/5th |
| 18.5.2003 | 250 mile Barber | 6 | 911 GT1 | Gunnar Jeannette | Gunnar Motorsports | 17th |
| 18.5.2003 | Spanish GT Jarama | 9 | 996 GT3-RS | Caternet / Maury-Laribiére | Noel Del Bello Racing | 13th/13th |
| 18.5.2003 | Spanish GT Jarama | 10 | 996 GT3-RS | Villalba Ruiz / Gutiérrez | Motor Competicion | 2nd/8th |
| 18.5.2003 | Spanish GT Jarama | 12 | 996 GT3-RS | Pais Do Amaral / Couceiro | ASM Team | 5th/DNF |
| 18.5.2003 | Spanish GT Jarama | 15 | 996 GT3-RS | Cutillas / Garcia Galiano | Chrzanowski Racing | 15th/12th |
| 18.5.2003 | Spanish GT Jarama | 17 | 996 GT3-RS | Gröbl / Bastos | Chrzanowski Racing | 7th/6th |
| 18.5.2003 | FFSA GT Dijon | 18 | 993 GT2 | Thévenot / Moureu | Red Racing | DNS |
| 18.5.2003 | FFSA GT Dijon | 19 | 996 Bi-Turbo | Tillie / Cabanne | Banking | - |
| 18.5.2003 | SM GTR Mantorp Park | 23 | Boxster 986 | Jaan Tolli | JTI Motorsport | 8th/8th |
| 18.5.2003 | Spanish GT Jarama | 27 | 996 GT3 Cup | Valero / Saez-Merino | Circuito Comunidad Valenciana | 17th/16th |
| 18.5.2003 | FFSA GT Dijon | 30 | 996 GT3-RS | Brocard / Desbruères | Kalliste | 32nd/32nd |
| 18.5.2003 | SM GTR Mantorp Park | 33 | 993 Carrera RSR | Anders Roos | Anders Roos | 9th/10th |
| 18.5.2003 | SM GTR Mantorp Park | 37 | 993 Cup | Marten Samuelsson | AB Mälarverken Racing | 7th/9th |
| 18.5.2003 | 250 mile Barber | 40 | 996 GT3 | Nonnamaker / Nonnamaker / Nonnamaker | Planet Earth Motorsports | 12th |
| 18.5.2003 | 250 mile Barber | 41 | 996 GT3 | Nonnamaker | Planet Earth Motorsports | 18th |
| 18.5.2003 | 250 mile Barber | 42 | 996 GT3-RS | | Orbit Racing | DNA |
| 18.5.2003 | 250 mile Barber | 44 | 996 GT3-RS | Policastro, Jr. / Policastro | Orbit Racing | 9th |
| 18.5.2003 | Spanish GT Jarama | 55 | 996 GT3-RS | Khan / Mayall | Mark Mayal | DNF/5th |
| 18.5.2003 | Spanish GT Jarama | 62 | 996 GT3-RS | Schirle / Perez Fontan | Cirtek | 11th/7th |
| 18.5.2003 | FFSA GT Dijon | 65 | 996 GT3 Cup | Ruffier / Beaudoin | Ruffier Racing | 40th/47th |
| 18.5.2003 | 250 mile Barber | 66 | 996 GT3-RS | Buckler / Schrom | The Racer's Group | DNA |
| 18.5.2003 | SM GTR Mantorp Park | 66 | 911 Carrera RSR | Erik Behrens | ALFAB Service AB | 3rd/6th |
| 18.5.2003 | 250 mile Barber | 67 | 996 GT3-RS | Lacey / Julien | The Racer's Group | DNA |
| 18.5.2003 | FFSA GT Dijon | 67 | 996 GT3 Cup | Terny / Oudin | Ruffier Racing | 31st/30th |
| 18.5.2003 | FFSA GT Dijon | 68 | 996 GT3 Cup | Médici / Baudiniére | Ruffier Racing | 36th/38th |
| 18.5.2003 | FFSA GT Dijon | 69 | 996 GT3 Cup | Mouez / Prunet | D D O | 49th/21st |
| 18.5.2003 | FFSA GT Dijon | 70 | 996 GT3 Cup | Yvon / Belloc | D D O | 47th/DNS |
| 18.5.2003 | 250 mile Barber | 72 | 996 GT3 Cup | Lewis / Zitza | Jack Lewis Enterprises | 8th |
| 18.5.2003 | FFSA GT Dijon | 81 | 996 GT3 Cup | Pla / Médard | Primosport | 45th/28th |
| 18.5.2003 | 250 mile Barber | 83 | 996 GT3-RS | | Rennwerks | DNA |
| 18.5.2003 | 250 mile Barber | 84 | 996 GT3-RS | Hupfer / Mortimer | Acme Motorsport | 14th |
| 18.5.2003 | 250 mile Barber | 85 | 996 GT3-R | | Rennwerks | DNA |
| 18.5.2003 | FFSA GT Dijon | 86 | 996 GT3 Cup | Roussaud / David | IMSA - Challenge 86 | 28th/45th |
| 18.5.2003 | FFSA GT Dijon | 87 | 996 GT3 Cup | Michel / Bachelier | IMSA - Twin Com | 27th/24th |
| 18.5.2003 | FFSA GT Dijon | 95 | 996 GT3 Cup | Laurin / Clairay | S P I D / RMS | 30th/29th |
| 18.5.2003 | 250 mile Barber | 98 | 996 GT3-RS | Schumacher / Snow | Schumacher Racing | DNA |
| 18.5.2003 | 250 mile Barber | 99 | 996 GT3-RS | Smith / Greenberg | NETTTS Racing | 15th |
| 18.5.2003 | 250 mile Barber | 118 | 996 GT3 Cup | Levitas | TPC Racing | 23rd |
| 18.5.2003 | 250 mile Barber | 205 | 996 GT3-RS | Willingham / Lewis | Orbit Racing | 6th |
| 25.5.2003 | Italian GT Pergusa | 5 | 993 GT2 | Sabatini / Spinelli | Autorlando Sport | 5th/8th |
| 25.5.2003 | 500 km Brno | 12 | 993 GT2 | Casadei / Soli / Marcinkiewicz | Proton Competition | DNF |
| 25.5.2003 | Sugo GT | 24 | 996 GT3-R | Yogo / Asai | Team Taisan Jr. | 28th |
| 25.5.2003 | Sugo GT | 26 | 996 GT3-RS | Yamaji / Nishizawa | Team Taisan Advan | 23rd |
| 25.5.2003 | British GT Silverstone | 40 | 996 Turbo | Cook / Pelle | Point Preparation | 8th |
| 25.5.2003 | 500 km Brno | 50 | 996 GT3-RS | Ortelli / Lieb | Freisinger Motorsport | 8th |
| 25.5.2003 | 500 km Brno | 51 | 996 GT3-RS | Gardel / Longin | Freisinger Motorsport | 14th |
| 25.5.2003 | Italian GT Pergusa | 53 | 996 GT3-RS | Wolff / Valli | Autorlando Sport | DNF/6th |
| 25.5.2003 | 500 km Brno | 54 | 996 GT3-R | Khan / Mayall | Cirtek Motorsport | DNF |
| 25.5.2003 | Italian GT Pergusa | 55 | 996 GT3-RS | Pedrini / Medici | Newman Motorsport | DNF/DNS |
| 25.5.2003 | 500 km Brno | 55 | 996 GT3-R | Mayall / Khan | Cirtek Motorsport | DNA |
| 25.5.2003 | Italian GT Pergusa | 56 | 996 GT3-RS | Drudi / Gabellini | Newman Motorsport | 2nd/3rd |
| 25.5.2003 | 500 km Brno | 56 | 996 GT3-RS | Dziurka / Dobrzanski | Alda Motorsport | 21st |
| 25.5.2003 | Sugo GT | 61 | 996 GT3-R | Katsumata / Kishi | R&D Sports | unused |
| 25.5.2003 | 500 km Brno | 61 | 996 GT3-R | Sugden / Short | EMKA Racing | 11th |
| 25.5.2003 | Italian GT Pergusa | 62 | 996 GT3-RS | Riccitelli / Pigoli | Ebimotors | 4th/4th |
| 25.5.2003 | 500 km Brno | 67 | 996 GT3-RS | Rudolf Machánek | Machanek Racing | DNA |
| 25.5.2003 | 500 km Brno | 69 | 996 GT3-RS | Ried / Ried | Proton Competition | 18th |
| 25.5.2003 | Sugo GT | 69 | 996 GT3-R | Yamagishi / Itaka | Team Gaikokuya | 24th |
| 25.5.2003 | Sugo GT | 70 | 996 GT3-R | Ishibashi / Shimizu | Team Gaikokuya | 31st |
| 25.5.2003 | 500 km Brno | 74 | 996 GT3-RS | Sumpter / Jordan | Team Eurotech | 17th |
| 25.5.2003 | 500 km Brno | 75 | 996 GT3-R | Jones / Jones | Team Eurotech | 16th |
| 25.5.2003 | British GT Silverstone | 76 | 996 GT3 Cup | Pearce / Griffin | GruppeM/Tech 9 Motorsport | 7th |
| 25.5.2003 | 500 km Brno | 77 | 996 GT3-RS | Vasiliev / Fomenko | RWS-Yukos Motorsport | DNF |
| 25.5.2003 | British GT Silverstone | 78 | 996 GT3 | Staveley / Berridge / Moore | GruppeM/Tech 9 Motorsport | DNF |
| 25.5.2003 | 500 km Brno | 99 | 996 GT3-R | Stéphane Daoudi / Walter Lechner, Jr. | RWS-Yukos Motorsport | 22nd |
| 25.5.2003 | Sugo GT | 111 | 996 GT3-R | Iijima / Haga | Arktech Motorsports | 34th |
| 25.5.2003 | Sugo GT | 910 | 996 GT3-R | Hirakawa / Miyagawa | 910 Racing | 25th |
| 25.5.2003 | Sugo GT | 911 | 996 GT3-RS | Takamizawa / Sunako | 910 Racing | DNA |
| 28.5.2003 | ALMS Road Atlanta Test | 42 | 996 GT3-RS | Policastro, Jr. / Policastro | Orbit Racing | 9th |
| 28.5.2003 | ALMS Road Atlanta Test | 43 | 996 GT3-RS | Baron / Patrick | Orbit Racing | 6th |
| 28.5.2003 | ALMS Road Atlanta Test | 79 | 996 GT3-RS | Murry / Jackson | J3 Racing | 7th |
| 1.6.2003 | 24 h Nürburgring | 2 | 996 Turbo | Alzen / Klasen / Alzen / Bartels | H&R Spezialfedern | DNF |
| 1.6.2003 | 24 h Nürburgring | 3 | 996 | Hofbauer / Frank / Bagnall / Simon | Jürgen Alzen Motorsport | DNF |
| 1.6.2003 | 24 h Nürburgring | 4 | 996 | Schratz / Berg / Rice / Trenery | Steam-Racing | DNF |
| 1.6.2003 | 24 h Nürburgring | 12 | 996 Turbo | Luhr / Collard / Bernhard | Manthey-Racing | 3rd |
| 1.6.2003 | 24 h Nürburgring | 20 | 996 | Vaillant / Leutwiler / Kaufmann / Petersen | | 49th |
| 1.6.2003 | 24 h Nürburgring | 21 | 996 | Fischer / Beil / Pruski / Spadacini | | DNF |
| 1.6.2003 | 24 h Nürburgring | 22 | 996 | Kern / Lambrecht / Jacobs / Renger | Manthey-Racing GmbH | DNF |
| 1.6.2003 | 24 h Nürburgring | 23 | 996 | Price / Großmann / Vosse / Bennett | Recaro-Raeder-Motorsport | 120th |
| 1.6.2003 | 24 h Nürburgring | 25 | 996 | Sator / Dierlamm / Pillich / Leinen | Steam-Racing | DNF |
| 1.6.2003 | 24 h Nürburgring | 27 | 996 | Scharmach / Grohs / Fischer / Reissert | PZ Essen Grohs Motorsport | 4th |
| 1.6.2003 | 24 h Nürburgring | 29 | 996 | Rieviére / Bourcier / van de Vyver / Le Roch | | DNF |
| 1.6.2003 | 24 h Nürburgring | 30 | 964 | "Segolen" / Tremblay / Rumpler / Bernard | Segolen At Banking Competition | 62nd |
| 1.6.2003 | 24 h Nürburgring | 32 | 996 | Komatsu / Ooi / Koyama / Taniguchi | | 109th |
| 1.6.2003 | 24 h Nürburgring | 34 | 996 | Otto / Weiss / Zinnow / Erkes | | 6th |
| 1.6.2003 | 24 h Nürburgring | 35 | 996 | von Gartzen / Smith / Grant / Bouchut | JVG Racing GmbH | DNF |
| 1.6.2003 | 24 h Nürburgring | 36 | 996 | Destree / Jodexnis / Berlandy / Messer | | DNF |
| 1.6.2003 | 24 h Nürburgring | 37 | 993 Carrera RSR | Paczynski / Haid / Bermes / Koll | Rheydter Club für Motorsport | 12th |
| 1.6.2003 | 24 h Nürburgring | 39 | 996 GT3 Cup | Schneider / Distler / Weiland / Althoff | Scuderia Offenbach e.V. im ADAC | DNF |
| 1.6.2003 | 24 h Nürburgring | 40 | 996 GT3 Cup | Weiland / Mayer / Weiner / Winter | Scuderia Offenbach e.V. im AvD | 42nd |
| 1.6.2003 | 24 h Nürburgring | 41 | 993 Turbo | Giroix / Monteiro / Monteiro / Vassort | | DNF |
| 1.6.2003 | 24 h Nürburgring | 46 | 996 | Dören / Lück / Wawer / Kovac | Edgar Dören Motorsport | 7th |
| 1.6.2003 | 24 h Nürburgring | 47 | 996 | Pehrson / Veertee / Andersson / Karlsson | Podium Racing | 17th |
| 1.6.2003 | 24 h Nürburgring | 55 | 993 Carrera RSR | Reich / Prym / Packeisen / Ackermann | | 20th |
| 1.6.2003 | 24 h Nürburgring | 80 | 968 RS | Egger / Bergmann / Ressl / Wenger | | 34th |