| 31.7.2005 | 400 km Barber | 37 | 996 GT3 Cup | Littlechild / Pumpelly | TPC Racing | DNA |
| 31.7.2005 | 400 km Barber | 38 | 996 GT3 Cup | Matos / Fitzgerald | TPC Racing | DNA |
| 31.7.2005 | 400 km Barber | 42 | 996 GT3 Cup | | Team Sahlen | DNA |
| 12.8.2005 | 200 mile Watkins Glen | 04 | 996 GT3 Cup | Alhadeff / Sigal | Sigalsport | DNA |
| 12.8.2005 | 200 mile Watkins Glen | 05 | 996 GT3 Cup | Sigal / Alhadeff | Sigalsport | 27th |
| 12.8.2005 | 200 mile Watkins Glen | 14 | 996 GT3 Cup | Friedman / Keen | Autometrics Motorsports | 25th |
| 12.8.2005 | 200 mile Watkins Glen | 26 | 996 GT3 Cup | Flanagan / Long | AASCO Motorsports | 28th |
| 12.8.2005 | 200 mile Watkins Glen | 30 | 996 GT3 Cup | Gabel / de Quesada | Alegra Motorsports | DNA |
| 12.8.2005 | 200 mile Watkins Glen | 35 | 996 GT3 Cup | Assentato / Longhi | TPC Racing | 31st |
| 12.8.2005 | 200 mile Watkins Glen | 36 | 996 GT3 Cup | Pumpelly / Littlechild | TPC Racing | 21st |
| 12.8.2005 | 200 mile Watkins Glen | 37 | 996 GT3 Cup | Littlechild / Pumpelly | TPC Racing | DNA |
| 12.8.2005 | 200 mile Watkins Glen | 38 | 996 GT3 Cup | Matos / Fitzgerald | TPC Racing | DNA |
| 12.8.2005 | 200 mile Watkins Glen | 41 | 996 GT3 Cup | Nonnamaker | Team Sahlen | 42nd |
| 12.8.2005 | 200 mile Watkins Glen | 42 | 996 GT3 Cup | | Team Sahlen | DNA |
| 12.8.2005 | 200 mile Watkins Glen | 43 | 996 GT3 Cup I | Nonnamaker / Nonnamaker | Team Sahlen | 40th |
| 12.8.2005 | 200 mile Watkins Glen | 61 | 996 GT3 Cup | Matos / Fitzgerald | SAMAX | DNA |
| 12.8.2005 | 200 mile Watkins Glen | 71 | 996 GT3 Cup | Greenberg / Empringham / Dalziel | SAMAX | DNA |
| 12.8.2005 | 200 mile Watkins Glen | 73 | 996 GT3 Cup | Davis / Tafel | Tafel Racing | 29th |
| 12.8.2005 | 200 mile Watkins Glen | 80 | 996 GT3 Cup | Murry / Stanton | Synergy Racing | 24th |
| 12.8.2005 | 200 mile Watkins Glen | 81 | 996 GT3 Cup | Van Wijk / Murry | Synergy Racing | 33rd |
| 12.8.2005 | 200 mile Watkins Glen | 88 | 996 GT3 Cup | Johnson / Nearn | TRG | 30th |
| 12.8.2005 | 200 mile Watkins Glen | 94 | 996 GT3 Cup | Patch | Autometrics Motorsports | 45th |
| 13.8.2005 | 1000 km Silverstone | 53 | 996 Turbo | Kaufmann / Tiemann | A-Level Engineering | 12th |
| 13.8.2005 | 1000 km Silverstone | 73 | 996 GT3-RSR | Palttala / Lambert / Lefort | Ice Pol Racing Team | 22nd |
| 13.8.2005 | 1000 km Silverstone | 76 | 996 GT3-RSR | Rockenfeller / Groppi / Moccia | Autorlando Sport | 16th |
| 13.8.2005 | 1000 km Silverstone | 79 | 996 GT3-RS | Petersen / Leutwiler / Lueders | JP Racing | 29th |
| 13.8.2005 | 1000 km Silverstone | 83 | 996 GT3-RSR | Felbermayr, Jr. / Collin / Felbermayr, Sr. | Seikel Motorsport | 27th |
| 13.8.2005 | 1000 km Silverstone | 86 | 996 GT3-RSR | O'Young / Marsh | Noble Group-Gruppe M Racing | DNF |
| 13.8.2005 | 1000 km Silverstone | 88 | 996 GT3-R | Cocker / Sugden | Gruppe M Racing | DNF |
| 13.8.2005 | 1000 km Silverstone | 89 | 996 GT3-RSR | Nielsen / Thyrring / Ehret | Sebah Automotive | 20th |
| 13.8.2005 | 1000 km Silverstone | 90 | 996 GT3-R | Pompidou / Lieb | Sebah Automotive | 9th |
| 13.8.2005 | 1000 km Silverstone | 97 | 996 GT3-RSR | Hindley / Youles / Cook | Tech 9 Motorsport | DNF |
| 13.8.2005 | 1000 km Silverstone | 98 | 996 GT3-RS | Simonsen / Daniels | James Watt Automotive | 32nd |
| 14.8.2005 | British GT Silverstone | 9 | 996 GT3 Cup | Deverikos / Masarati | Tech 9 | 13th |
| 14.8.2005 | British GT Silverstone | 20 | 996 GT3 Cup | Moss / Ashburn | Trackspeed | DNF |
| 14.8.2005 | British GT Silverstone | 22 | 996 GT3-R | Jones / Jones | Eurotech | 8th |
| 14.8.2005 | British GT Silverstone | 23 | 996 GT3 Cup | Britnell / Stockton | Motorbase Performance | 9th |
| 14.8.2005 | British GT Silverstone | 25 | 996 GT3 Cup | | Trackspeed | DNS |
| 14.8.2005 | British GT Silverstone | 28 | 996 | Mundy / Stanton | Graeme Mundy | DNF |
| 14.8.2005 | British GT Silverstone | 31 | 996 GT3 | Eastwood / Edwards | Team Parker Racing | 16th |
| 14.8.2005 | British GT Silverstone | 33 | 996 GT3 Cup | Edwards / Warburton | Bill Barrett Motorsport | 7th |
| 14.8.2005 | British GT Silverstone | 36 | 996 GT3 Cup | Edwards / Brodie | Bill Barrett Motorsport | DNS |
| 14.8.2005 | British GT Silverstone | 37 | 996 GT3 | James / Allen | Chad Racing | 11th |
| 14.8.2005 | British GT Silverstone | 38 | 996 GT3 | Dockerill / Greensall | Chad Racing | 22nd |
| 14.8.2005 | British GT Silverstone | 55 | 996 GT3-RSR | Collins / Cunningham | Embassy Racing | 1st |
| 14.8.2005 | British GT Silverstone | 77 | 996 GT3-RSR | Caine / Jordan | Eurotech | 5th |
| 14.8.2005 | British GT Silverstone | 78 | 996 GT3-RS | Borness / Bonner | Graham Nash Motorsport | 20th |
| 14.8.2005 | British GT Silverstone | 96 | 996 GT3 Cup | Quaife / Moseley | Motorbase Quaife | DNF |
| 14.8.2005 | British GT Silverstone | 99 | 996 GT3-RSR | Scott / Wood | Eurotech | 14th |
| 21.8.2005 | Australian GT Phillip Island | 8 | 996 GT3 | Simon Middleton | Simon Middleton | 9th/7th/9th |
| 21.8.2005 | Australian GT Phillip Island | 11 | 964 Carrera RS | Don Tryhorn | Don Tryhorn | 15th/13th/15th |
| 21.8.2005 | Australian GT Phillip Island | 12 | 996 GT3-R | Mark Eddy | Mark Eddy | 4th/3rd/2nd |
| 21.8.2005 | 1000 km Suzuka | 14 | 996 GT3 | Koyama / Watanabe / Takamizawa | Toumei Sports | 16th |
| 21.8.2005 | Australian GT Phillip Island | 18 | 993 Carrera RSR 3.8 | Max Twigg | Max Twigg | 12th/10th/14th |
| 21.8.2005 | 2 h 45 min Road America | 23 | 996 GT3-RSR | Bernhard / Dumas | Alex Job Racing | 10th |
| 21.8.2005 | 2 h 45 min Road America | 24 | 996 GT3-RSR | Baas / Law | Alex Job Racing | 16th |
| 21.8.2005 | 1000 km Suzuka | 27 | 964 Carrera RSR | Aoyama / Takagi / Tsuduki | Team Kawamura | 25th |
| 21.8.2005 | 1000 km Suzuka | 28 | 996 GT3 | Matsuda / Miyagawa / Ichiraku | Team Seico Carrera Racing | 11th |
| 21.8.2005 | 2 h 45 min Road America | 31 | 996 GT3-RSR | Bergmeister / Long | Petersen/White Lightning | 9th |
| 21.8.2005 | 1000 km Suzuka | 32 | 993 Carrera RSR | Ihashi / Shimizu / Yoshida | Promodet Komine Enigineering | DNF |
| 21.8.2005 | Australian GT Phillip Island | 32 | 996 GT3 | Malcolm Lynn | Malcolm Lynn | 10th/9th/11th |
| 21.8.2005 | Australian GT Phillip Island | 37 | 911 Carrera RSCS | Anthony R. Moodie | Anthony R. Moodie | 18th/16th/18th |
| 21.8.2005 | Australian GT Phillip Island | 38 | 911 Carrera RSCS | Matthew Jones | Anthony R. Moodie | 17th/15th/17th |
| 21.8.2005 | Australian GT Phillip Island | 40 | 996 GT3 | Russell Kempnich | Russell Kempnich | DNF/DNS/DNS |
| 21.8.2005 | 2 h 45 min Road America | 43 | 996 GT3-RSR | Henzler / Rockenfeller | BAM! | 13th |
| 21.8.2005 | 2 h 45 min Road America | 44 | 996 GT3-RSR | Pechnik / Neiman | Flying Lizard Motorsports | 18th |
| 21.8.2005 | 2 h 45 min Road America | 45 | 996 GT3-RSR | Fogarty / van Overbeek | Flying Lizard Motorsports | 11th |
| 21.8.2005 | Australian GT Phillip Island | 49 | 944 Turbo | Trevor John | Trevor John | 13th/12th/12th |
| 21.8.2005 | Australian GT Phillip Island | 54 | 996 GT3 Cup | Bryce Washington | Bryce Washington | 2nd/2nd/3rd |
| 21.8.2005 | Australian GT Phillip Island | 58 | 996 GT3 | Kevin Miller | Kevin Miller | 14th/11th/13th |
| 21.8.2005 | 1000 km Suzuka | 70 | 996 GT3-RS | Ishibashi / Koizumi / Yamaji | Team Gaikokuya | 6th |
| 21.8.2005 | Australian GT Phillip Island | 77 | 996 GT3 Cup | John Kaias | John Kaias | 5th/DNF/6th |
| 21.8.2005 | 2 h 45 min Road America | 79 | 996 GT3-RSR | Jackson / Sugden | J3 Racing | 19th |
| 21.8.2005 | 1000 km Suzuka | 84 | 996 GT3 | Iida / Hashiguchi / Kimura | M's Machine Works | 8th |
| 21.8.2005 | Australian GT Phillip Island | 90 | 996 GT3 | Sven Burchartz | Burchartz Racing Pty Ltd | DNF/5th/4th |
| 21.8.2005 | 1000 km Suzuka | 109 | 996 GT3 | Hioki / Matsumoto / Yoshikawa | Arktech Motorsports | 24th |
| 21.8.2005 | 1000 km Suzuka | 110 | Boxster 986 | Suga / Ooi / Matsuda | Arktech Motorsports | DNA |
| 21.8.2005 | 1000 km Suzuka | 111 | 968 | Saitou / Wada / Haga | Arktech Motorsports | 23rd |
| 21.8.2005 | 1000 km Suzuka | 112 | 996 GT3 | Yogo / Jounai / Seki | Arktech Motorsports | 10th |
| 27.8.2005 | 400 km Mid-Ohio | 04 | 996 GT3 Cup | | Sigalsport | DNA |
| 27.8.2005 | 400 km Mid-Ohio | 05 | 996 GT3 Cup | Alhadeff / Sigal | Sigalsport | 30th |
| 27.8.2005 | 400 km Mid-Ohio | 14 | 996 GT3 Cup | Keen / Friedman | Autometrics Motorsports | 21st |
| 27.8.2005 | 400 km Mid-Ohio | 30 | 996 GT3 Cup | de Quesada | Alegra Motorsports | 40th |
| 27.8.2005 | 400 km Mid-Ohio | 35 | 996 GT3 Cup | Assentato / Longhi | TPC Racing | DNA |
| 27.8.2005 | 400 km Mid-Ohio | 36 | 996 GT3 Cup | Pumpelly / Pobst | TPC Racing | 37th |
| 27.8.2005 | 400 km Mid-Ohio | 38 | 996 GT3 Cup | Assentato / Rehm | TPC Racing | 27th |
| 27.8.2005 | 400 km Mid-Ohio | 41 | 996 GT3 Cup | Nonnamaker / Allen | Team Sahlen | DNA |
| 27.8.2005 | 400 km Mid-Ohio | 42 | 996 GT3 Cup | | Team Sahlen | DNA |
| 27.8.2005 | 400 km Mid-Ohio | 43 | 996 GT3 Cup I | Allen / Nonnamaker | Team Sahlen | 26th |
| 27.8.2005 | 400 km Mid-Ohio | 61 | 996 GT3 Cup | Wilkins / Lacey | SAMAX/Doncaster Racing | 20th |
| 27.8.2005 | 400 km Mid-Ohio | 71 | 996 GT3 Cup | Greenberg / Dalziel | SAMAX | 36th |
| 27.8.2005 | 400 km Mid-Ohio | 73 | 996 GT3 Cup | Davis / Tafel | Tafel Racing | 22nd |
| 27.8.2005 | 400 km Mid-Ohio | 80 | 996 GT3 Cup | Murry / Stanton | Synergy Racing | 24th |
| 27.8.2005 | 400 km Mid-Ohio | 81 | 996 GT3 Cup | Mae Van Wijk | Synergy Racing | T-car |
| 27.8.2005 | 400 km Mid-Ohio | 81T | 996 GT3 Cup | Van Wijk | Synergy Racing | 44th |
| 27.8.2005 | 400 km Mid-Ohio | 96 | 996 GT3 Cup | McKenzie | Eurosport Racing | 43rd |
| 28.8.2005 | 24 h Zolder | 17 | 996 GT3 Cup | Dumarey / Dumarey / Dumarey | GPR Racing | 9th |
| 28.8.2005 | 24 h Zolder | 21 | 996 GT3-RS | Thiers / Thiers / Van Mol / Vanmoerkerke | Oosterlinck Motorsport | NC |
| 28.8.2005 | 24 h Zolder | 22 | 996 GT3 Cup | Verhoeven / Boden / Baguette | Speedlover | DNF |
| 28.8.2005 | 24 h Zolder | 23 | 996 GT3 Cup | Meert / Van de Plas / Jacobs | Speedlover | DNF |