| 12.7.1998 | CDN GT Shannonville Canaska Cup | 00 | 911 GT1 | Klaus Bytzek | BMS Race Team | 1st |
| 12.7.1998 | 500 km Dijon | 5 | 911 GT1-98 | Grau / Scheld | Zakspeed Racing | 7th |
| 12.7.1998 | 500 km Dijon | 6 | 911 GT1-98 | Bartels / Hahne | Zakspeed Racing | 6th |
| 12.7.1998 | 500 km Dijon | 7 | 911 GT1-98 | Dalmas / McNish | Porsche AG | 2nd |
| 12.7.1998 | 500 km Dijon | 8 | 911 GT1-98 | Alzen / Müller | Porsche AG | 25th |
| 12.7.1998 | British GT Silverstone | 9 | 993 GT1 | Masarati / Mortimer | RMA Driving Sensations | 18th |
| 12.7.1998 | British GT Silverstone | 11 | 911 GT1 | Leslie / Neal | NCK Racing Ltd. | 3rd |
| 12.7.1998 | CDN GT Shannonville Canaska Cup | 15 | 911 | Blair Killoran | | 18th |
| 12.7.1998 | 500 km Dijon | 17 | 911 GT1 Evo | Wollek / Rosenblad / Goueslard | Larbre Competition | 8th |
| 12.7.1998 | British GT Silverstone | 32 | 993 GT2 | MacQuillan / Erdos | Gerard MacQuillan | NC |
| 12.7.1998 | British GT Silverstone | 42 | 993 GT2 | Konig / Phillips | PK Sport | NC |
| 12.7.1998 | British GT Silverstone | 46 | 964 Carrera RSR 3.8 | Lucas / Osborne | PK Sport | NC |
| 12.7.1998 | British GT Silverstone | 50 | 993 GT2 R | Morrison / Lister | Blue Coral/Slick 50 Racing | 10th |
| 12.7.1998 | British GT Silverstone | 53 | 934 | Dave Welz | Dave Welz Racing | DNS |
| 12.7.1998 | 500 km Dijon | 56 | 993 GT2 R | Hürtgen / Collard | Roock Racing | 16th |
| 12.7.1998 | 500 km Dijon | 57 | 993 GT2 | Maassen / Eichmann | Roock Racing | 14th |
| 12.7.1998 | CDN GT Shannonville Canaska Cup | 59 | 968 | Cullen / Martin | Georgian Bay Motorsports | 31st |
| 12.7.1998 | 500 km Dijon | 60 | 993 GT2 R | Neugarten / Ruch / Spinelli | Elf Haberthur Racing | 24th |
| 12.7.1998 | 500 km Dijon | 62 | 993 GT2 | Rohr / Sick | Stadler Motorsport | 18th |
| 12.7.1998 | 500 km Dijon | 63 | 993 GT2 | Trunk / Müller | Krauss Race Sports International | 15th |
| 12.7.1998 | 500 km Dijon | 65 | 993 GT2 R | Stretton / Seiler | Konrad Motorsport | 26th |
| 12.7.1998 | 500 km Dijon | 66 | 993 GT2 | Sallaz / Konrad | Konrad Motorsport | 13th |
| 12.7.1998 | 500 km Dijon | 69 | 993 GT2 | Ried / Vuillaume | Proton Competition | 21st |
| 12.7.1998 | 500 km Dijon | 75 | 993 GT2 | Cohen-Olivar / Schwach / Gay / Constantin | Swiss Team Salamin | DNA |
| 12.7.1998 | 500 km Dijon | 76 | 993 GT2 R | Schwach / Seikel / Rosterg | Seikel Motorsport | DNF |
| 12.7.1998 | 500 km Dijon | 77 | 993 GT2 R | Jarier / Lafon | Sonauto Levallois | 12th |
| 12.7.1998 | CDN GT Shannonville Canaska Cup | 91 | 993 GT2 Evo | Harry Bytzek | | 2nd |
| 12.7.1998 | CDN GT Shannonville Canaska Cup | 96 | 968 | Ray Arbesman | Heimrath Porsche Racing | 23rd |
| 12.7.1998 | 500 km Dijon | 96 | 993 GT2 | Felbermayr, Sr. / Felbermayr, Jr. | Proton Competition | 17th |
| 12.7.1998 | CDN GT Shannonville Canaska Cup | 181 | 944 Turbo | Vito Scavone | | 12th |
| 12.7.1998 | CDN GT Shannonville Canaska Cup | 661 | 911 Turbo | Eric Boisvert | Rivard Competition | 11th |
| 12.7.1998 | 500 km Dijon | | 993 GT2 R | | Estoril Racing Team | DNA |
| 19.7.1998 | 500 km Hungaroring | 5 | 911 GT1-98 | Grau / Scheld | Zakspeed Racing | DNF |
| 19.7.1998 | 500 km Hungaroring | 6 | 911 GT1-98 | Bartels / Hahne | Zakspeed Racing | 5th |
| 19.7.1998 | 500 km Hungaroring | 7 | 911 GT1-98 | Dalmas / McNish | Porsche AG | 3rd |
| 19.7.1998 | 500 km Hungaroring | 8 | 911 GT1-98 | Wollek / Müller | Porsche AG | 4th |
| 19.7.1998 | 4 h Nürburgring | 9 | 993 GT2 Evo | Lister / Beaverbroock / Greasley | BVB Motorsport Ltd. | 2nd |
| 19.7.1998 | 500 km Hungaroring | 17 | 911 GT1 Evo | Goueslard / Leconte / Chéreau | Larbre Competition | DNF |
| 19.7.1998 | 4 h Nürburgring | 26 | 993 GT2 | Gay / Cohen-Olivar / Ameur | Swiss Team Salamin | DNA |
| 19.7.1998 | 4 h Nürburgring | 27 | 993 GT2 R | Jarier / Lagniez / Lafon | Sonauto Levallois | DNA |
| 19.7.1998 | 4 h Nürburgring | 28 | 993 GT2 R | Smith / Palmberger / Quargentan | Seikel Motorsport | DNA |
| 19.7.1998 | 4 h Nürburgring | 29 | 993 GT2 R | Monteiro / Monteiro | Estoril Racing | DNA |
| 19.7.1998 | 4 h Nürburgring | 32 | 993 GT2 | Pagotto / Giribaldi | Luigino Pagotto | DNA |
| 19.7.1998 | 4 h Nürburgring | 33 | 993 GT2 | Margueron / Kumpen / Cohen | GLPK Racing | 3rd |
| 19.7.1998 | 4 h Nürburgring | 35 | 993 GT2 | Kaufmann / Ligonnet | Freisinger Motorsport | 1st |
| 19.7.1998 | 4 h Nürburgring | 37 | 993 GT2 R | Buttiero / Mastropietro / Sangiuolo | RWS Brun Motorsport | DNF |
| 19.7.1998 | 4 h Nürburgring | 46 | 993 GT2 | Rostan / Piattier / Werner | Paul Belmondo Racing | 5th |
| 19.7.1998 | 4 h Nürburgring | 51 | 993 Cup | Blieninger / Hofer | RWS Brun Motorsport | 4th |
| 19.7.1998 | 500 km Hungaroring | 56 | 993 GT2 R | Ortelli / Hürtgen | Roock Racing | DNF |
| 19.7.1998 | 500 km Hungaroring | 57 | 993 GT2 | Eichmann / Maassen | Roock Racing | 6th |
| 19.7.1998 | 500 km Hungaroring | 58 | 993 GT2 | Ahrlé / Prutirat | Roock Sportsystem | 11th |
| 19.7.1998 | 500 km Hungaroring | 60 | 993 GT2 R | Neugarten / Ruch / Spinelli | Elf Haberthur Racing | 9th |
| 19.7.1998 | 500 km Hungaroring | 61 | 993 GT2 R | Faehler / Jodexnis / Casadei | Elf Haberthur Racing | DNF |
| 19.7.1998 | 500 km Hungaroring | 62 | 993 GT2 | Sick / Rohr | Stadler Motorsport | 13th |
| 19.7.1998 | 500 km Hungaroring | 63 | 993 GT2 | Trunk / Müller | Krauss Race Sports International | 10th |
| 19.7.1998 | 500 km Hungaroring | 65 | 993 GT2 R | Stretton / Seiler | Konrad Motorsport | DNF |
| 19.7.1998 | 500 km Hungaroring | 66 | 993 GT2 | Heger / Konrad | Konrad Motorsport | DNF |
| 19.7.1998 | 500 km Hungaroring | 69 | 993 GT2 | Vuillaume / Ried | Proton Competition | 14th |
| 19.7.1998 | 500 km Hungaroring | 75 | 993 GT2 | Constantin / Cohen-Olivar / Gay | Swiss Team Salamin | DNA |
| 19.7.1998 | 4 h Nürburgring | 76 | 993 Cup | Perrier / Richard / Ricci | Perspective Automobiles | 8th |
| 19.7.1998 | 500 km Hungaroring | 76 | 993 GT2 R | Smith / Palmberger / Nearn | Seikel Motorsport | 12th |
| 19.7.1998 | 4 h Nürburgring | 77 | 993 Cup | Touroul / Ortion / Barthe | Raymond Touroul | DNA |
| 19.7.1998 | 500 km Hungaroring | 78 | 993 GT2 | Bodis / Brada / Jerish | Bovi Motorsport | DNF |
| 19.7.1998 | 4 h Nürburgring | 78 | 993 Cup | | Pilotage Passion | DNA |
| 19.7.1998 | 4 h Nürburgring | 81 | 993 Cup | Reis / Bajo | Eco Tec | 7th |
| 19.7.1998 | 500 km Hungaroring | 96 | 993 GT2 | Felbermayr, Sr. / Felbermayr, Jr. | Proton Competition | 15th |
| 26.7.1998 | CDN GT Mont-Tremblant | 00 | 911 GT1 Evo | Klaus Bytzek | BMS Race Team | 1st |
| 26.7.1998 | CDN GT Mont-Tremblant | 00T | 911 GT1 | Klaus Bytzek | BMS Race Team | unused |
| 26.7.1998 | 4 h Spa | 9 | 993 GT2 Evo | Beaverbroock / Lister / Greasley | BVB | 2nd |
| 26.7.1998 | CDN GT Mont-Tremblant | 15 | 911 | Blair Killoran | | 16th |
| 26.7.1998 | 4 h Spa | 26 | 993 GT2 | Gay / Cohen-Olivar / Ameur | Swiss Team Salamin | DNA |
| 26.7.1998 | 4 h Spa | 27 | 993 GT2 R | Jarier / Lagniez / Lafon | Sonauto Levallois | DNA |
| 26.7.1998 | 4 h Spa | 28 | 993 GT2 R | Smith / Véroux / Marchner | Seikel Motorsport | DNF |
| 26.7.1998 | 4 h Spa | 29 | 993 GT2 R | Monteiro / Monteiro | Estoril Racing | DNF |
| 26.7.1998 | 4 h Spa | 32 | 993 GT2 | Pagotto / Giribaldi | Luigino Pagotto | DNA |
| 26.7.1998 | 4 h Spa | 33 | 993 GT2 | Hemroulle / Kumpen / Cohen | GLPK Racing | 8th |
| 26.7.1998 | 4 h Spa | 35 | 993 GT2 | Kaufmann / Ligonnet | Freisinger Motorsport | 1st |
| 26.7.1998 | 4 h Spa | 37 | 993 GT2 R | Sangiuolo / Buttiero / Mastropietro | RWS | DNF |
| 26.7.1998 | 4 h Spa | 48 | 993 GT2 | Pregliasco / Lambertini / Konrad | Konrad Motorsport | DNF |
| 26.7.1998 | 4 h Spa | 51 | 993 Cup | Blieninger / Riccitelli | RWS | 7th |
| 26.7.1998 | CDN GT Mont-Tremblant | 59 | 968 | Cullen / Martin | Georgian Bay Motorsports | DNS |
| 26.7.1998 | 4 h Spa | 60 | 993 Cup | Van der Pluym / Huisman | MW Racing | 3rd |
| 26.7.1998 | 4 h Spa | 61 | 993 | Margueron / Witmeur / Vosse | GLPK Racing | DNF |
| 26.7.1998 | 4 h Spa | 76 | 993 Cup | Perrier / Richard | Thierry Perrier | 4th |
| 26.7.1998 | 4 h Spa | 77 | 993 Cup | Touroul / Ortion / Barthe | Raymond Touroul | DNF |
| 26.7.1998 | 4 h Spa | 78 | 993 Cup | Thomas / Beau / Albouy | Pilotage Passion | DNF |
| 26.7.1998 | 4 h Spa | 79 | 993 | Guiod / Peyroles / Pelissier | Pilotage Passion | 5th |
| 26.7.1998 | 4 h Spa | 81 | 993 Cup | | Eco Tec | DNA |
| 26.7.1998 | 4 h Spa | 84 | 993 Cup | Richard / Richard | Richard Racing | 9th |
| 26.7.1998 | CDN GT Mont-Tremblant | 91 | 993 GT2 Evo | Harry Bytzek | | 3rd |
| 26.7.1998 | CDN GT Mont-Tremblant | 174 | 911 | Ulrich Furtmair | | 11th |
| 26.7.1998 | CDN GT Mont-Tremblant | 661 | 911 Turbo | Eric Boisvert | Rivard Competition | 4th |
| 26.7.1998 | CDN GT Mont-Tremblant | 771 | 911 Turbo | Fernand LeBlanc | MCL | 8th |
| 2.8.1998 | British GT Donington | 0 | 911 GT1 | Greasley / Wallinder | Blue Coral/Slick 50/Quaker State | 1st |
| 2.8.1998 | British GT Donington | 9 | 993 GT1 | Masarati / Mortimer | RMA Driving Sensations | DNS |
| 2.8.1998 | British GT Donington | 33 | 993 GT2 R | Saunders / Saunders | Gaumont/Parr Motorsport | 13th |
| 2.8.1998 | British GT Donington | 35 | 993 GT2 R | Barrett / Lockie | G-Force Motorsport | 11th |
| 2.8.1998 | British GT Donington | 42 | 993 GT2 | Konig / Phillips | P K Sport | 15th |
| 2.8.1998 | British GT Donington | 46 | 964 Carrera RSR 3.8 | Caroline Lucas | P K Sport | 19th |
| 2.8.1998 | British GT Donington | 50 | 993 GT2 R | Morrison / Lister | Blue Coral/Slick 50/Quaker State | 8th |