| 13.5.2018 | FFSA GT4 Pau | 1 | Cayman GT4 Clubsport MR | Lapierre / Parisy | CD Sport | 1st/3rd |
| 13.5.2018 | FFSA GT4 Pau | 2 | Cayman GT4 Clubsport MR | Simonet / Deguffroy | CD Sport | 6th/DNF |
| 13.5.2018 | SRO GT Asia Buriram | 11 | Cayman GT4 Clubsport MR | Fong / Lee | TTR Team SARD | 25th/DNF |
| 13.5.2018 | Australian GT Sandown Park | 12 | 991 GT3 Cup | Seidler / Seidler | Seidler Group | 19th/21st/18th |
| 13.5.2018 | FFSA GT4 Pau | 14 | Cayman GT4 Clubsport MR | Cyril Saleilles | Cool Racing | DNF/10th |
| 13.5.2018 | SRO GT Asia Buriram | 14 | Cayman GT4 Clubsport MR | Yotha / Phamyai | Morseng Racing Team | 28th/25th |
| 13.5.2018 | SRO GT Asia Buriram | 17 | Cayman GT4 Clubsport MR | Chang / Lu | Taiwan Top Speed Racing Team | 24th/23rd |
| 13.5.2018 | FFSA GT4 Pau | 18 | Cayman GT4 Clubsport MR | Dub / Dub | Cool Racing | 19th/8th |
| 13.5.2018 | SRO GT Asia Buriram | 22 | Cayman GT4 Clubsport MR | Bunditkitsada / Sirimongkolkasem | JWD Unixx Racing Team | 22nd/26th |
| 13.5.2018 | FFSA GT4 Pau | 25 | Cayman GT4 Clubsport MR | Lambert / Gomar | AGS Events | DQ/6th |
| 13.5.2018 | FFSA GT4 Pau | 27 | Cayman GT4 Clubsport MR | Blanchemain / Palette | IMSA Performance | 25th/DNF |
| 13.5.2018 | Australian GT Sandown Park | 34 | 991 GT3 R | John Morriss | Motorsport Leasing / RaceRamps | 13th/11th/17th |
| 13.5.2018 | 24 h Nürburgring | 64 | 991 GT3 Cup II MR | Bleul / "Takis" / Zimmermann / Oberheim | Black Falcon Team TMD Friction | DNS |
| 13.5.2018 | Australian GT Sandown Park | 64 | 997 GT3 Cup | Joseph Ensabella | Aaron Laboratories | 21st/19th/19th |
| 13.5.2018 | FFSA GT4 Pau | 64 | Cayman GT4 Clubsport MR | Jouffret / Trémoulet | VIC' Team | 4th/DNF |
| 13.5.2018 | FFSA GT4 Pau | 72 | Cayman GT4 Clubsport MR | Damiani / Carriere | AGS Events | 17th/DNF |
| 13.5.2018 | 24 h Nürburgring | 76 | Cayman | Handrick / Lammering | | DNA |
| 13.5.2018 | SRO GT Asia Buriram | 77 | Cayman GT4 Clubsport MR | Yu / Merlin | Craft Bamboo Racing | 21st/22nd |
| 13.5.2018 | FFSA GT4 Pau | 79 | Cayman GT4 Clubsport MR | Herr / Nauroy | AGS Events | 14th/12th |
| 13.5.2018 | SRO GT Asia Buriram | 80 | Cayman GT4 Clubsport MR | Kunplome / Tantemsapya | Racing Spirit Thailand | 27th/24th |
| 13.5.2018 | Australian GT Sandown Park | 911 | 991 GT3 R | Liam Talbot | Walkinshaw GT3 | 4th/3rd/3rd |
| 13.5.2018 | SRO GT Asia Buriram | 911 | 991 GT3 R | Stuvik / Davies | Craft-Bamboo Racing | 11th/8th |
| 13.5.2018 | FFSA GT4 Pau | 982 | Cayman GT4 Clubsport MR | Stéphane Brémard | FOXO | 10th/15th |
| 13.5.2018 | SRO GT Asia Buriram | 991 | 991 GT3 R | Read / O'Young | Craft-Bamboo Racing | 14th/17th |
| 20.5.2018 | 300 km Suzuka | 7 | 991 GT3 R | Fujii / Müller | D'station Racing | 24th |
| 20.5.2018 | 300 km Suzuka | 9 | 991 GT3 R | Kubo / Ishikawa | Pacific with Gulf Racing | 28th |
| 20.5.2018 | GT4 Central Cup Red Bull Ring | 41 | Cayman GT4 Clubsport MR | Kremer / Schöll | Allied Racing | 6th/DNF |
| 20.5.2018 | GT4 Central Cup Red Bull Ring | 43 | Cayman GT4 Clubsport MR | Kasperlik / Severs | Allied Racing | 13th/1st |
| 20.5.2018 | 3 h Silverstone | 911 | 991 GT3 R | Makowiecki / Dumas / Werner | Manthey-Racing | 11th |
| 20.5.2018 | 3 h Silverstone | 991 | 991 GT3 R | Häring / Brauner / Triller | Herberth Motorsport | 33rd |
| 2.6.2018 | Australian Trophy Phillip Island | 12 | 991 GT3 Cup | Seidler / Seidler | Seidler Group | DNF/NC |
| 2.6.2018 | 100 min Detroit | 16 | 991 GT3 R | Schein / Henzler | Wright Motorsports | 21st |
| 2.6.2018 | Australian Trophy Phillip Island | 34 | 991 GT3 R | John Morriss | Motorsport Leasing / RaceRamps | 5th/3rd |
| 2.6.2018 | 100 min Detroit | 58 | 991 GT3 R | Nielsen / Long | Wright Motorsports | 23rd |
| 3.6.2018 | British LMP3 Spa | 46 | 991 GT3 Cup I | Mike Sellar | MAS Motorsport | DNA |
| 3.6.2018 | Le Mans Test | 56 | 991 RSR II | Bergmeister / Lindsey / Perfetti | Team Project 1 | 56th |
| 3.6.2018 | GT Sports Club Paul Ricard | 66 | 991 GT3 R | Jürgen Häring | Herberth Motorsport | 6th |
| 3.6.2018 | Le Mans Test | 77 | 991 RSR II | Campbell / Andlauer / Ried | Dempsey - Proton Racing | 46th |
| 3.6.2018 | Le Mans Test | 80 | 991 RSR II | Babini / Maris / Nielsen | Ebimotors | 59th |
| 3.6.2018 | Le Mans Test | 86 | 991 RSR II | Davison / Barker / Wainwright | Gulf Racing UK | 54th |
| 3.6.2018 | Le Mans Test | 88 | 991 RSR II | Cairoli / Al Qubaisi / Roda | Dempsey - Proton Racing | 49th |
| 3.6.2018 | Le Mans Test | 91 | 991 RSR II | Bruni / Makowiecki / Lietz | Porsche GT Team | 32nd |
| 3.6.2018 | Le Mans Test | 92 | 991 RSR II | Christensen / Vanthoor / Estre / Werner | Porsche GT Team | 37th |
| 3.6.2018 | Le Mans Test | 93 | 991 RSR II | Pilet / Bamber / Tandy / Werner | Porsche GT Team | 31st |
| 3.6.2018 | Le Mans Test | 94 | 991 RSR II | Müller / Dumas / Bernhard | Porsche GT Team | 44th |
| 3.6.2018 | Le Mans Test | 99 | 991 RSR II | Long / Pumpelly / Pappas | Proton Competition | 51st |
| 3.6.2018 | Australian Endurance Phillip Island | 911 | 991 GT3 R | Talbot / Martin | Walkinshaw GT3 | DNF |
| 3.6.2018 | 1000 km Paul Ricard | 911 | 991 GT3 R | Makowiecki / Dumas / Werner | Manthey-Racing | 10th |
| 3.6.2018 | 1000 km Paul Ricard | 991 | 991 GT3 R | Häring / Brauner / Triller | Herberth Motorsport | 34th |
| 3.6.2018 | GT Sports Club Paul Ricard | 991 | 991 GT3 R | Edward-Lewis Brauner | Herberth Motorsport | 9th |
| 10.6.2018 | ADAC GT Red Bull Ring | 17 | 991 GT3 R I | Bernhard / Estre | KÜS Team75 Bernhard | 4th/DNF |
| 10.6.2018 | ADAC GT Red Bull Ring | 18 | 991 GT3 R I | de Leener / Bachler | KÜS Team75 Bernhard | 15th/29th |
| 10.6.2018 | ADAC GT Red Bull Ring | 69 | 991 GT3 R I | Slooten / Luhr | IronForce by Ring Police | 25th/27th |
| 10.6.2018 | ADAC GT Red Bull Ring | 99 | 991 GT3 R I | Renauer / Jaminet | Precote Herberth Motorsport | 6th/9th |
| 16.6.2018 | Road to Le Mans | 88 | 991 GT3 R | Baccani / Venerosi | Ebimotors | 34th/35th |
| 17.6.2018 | 24 h Le Mans | 56 | 991 RSR II | Bergmeister / Lindsey / Perfetti | Team Project 1 | 34th |
| 17.6.2018 | 24 h Le Mans | 77 | 991 RSR II | Campbell / Andlauer / Ried | Dempsey - Proton Racing | 25th |
| 17.6.2018 | 24 h Le Mans | 80 | 991 RSR II | Babini / Nielsen / Maris | Ebimotors | 31st |
| 17.6.2018 | 24 h Le Mans | 86 | 991 RSR II | Wainwright / Barker / Davison | Gulf Racing | 40th |
| 17.6.2018 | 24 h Le Mans | 88 | 991 RSR II | Cairoli / Al Qubaisi / Roda | Dempsey - Proton Racing | DNF |
| 17.6.2018 | 24 h Le Mans | 91 | 991 RSR II | Lietz / Bruni / Makowiecki | Porsche GT Team | 16th |
| 17.6.2018 | 24 h Le Mans | 92 | 991 RSR II | Christensen / Estre / Vanthoor | Porsche GT Team | 15th |
| 17.6.2018 | 24 h Le Mans | 93 | 991 RSR II | Pilet / Tandy / Bamber | Porsche GT Team | 27th |
| 17.6.2018 | 24 h Le Mans | 94 | 991 RSR II | Dumas / Bernhard / Müller | Porsche GT Team | DNF |
| 17.6.2018 | 24 h Le Mans | 99 | 991 RSR II | Long / Pappas / Pumpelly | Proton Competition | 29th |
| 17.6.2018 | Italian GT Misano | 163 | 997 GT3 Cup | Merendino / Di Benedetto | Island Motorport | 9th/13th |
| 17.6.2018 | Italian GT Misano | 169 | 991 GT3 Cup | Nicolosi / La Mazza | Ebimotors | 12th/15th |
| 17.6.2018 | Italian GT Misano | 176 | 997 GT3 Cup | Pisani / Sauto | Eugenio Pisani | 11th/14th |
| 24.6.2018 | GT4 Euro Misano | 13 | Cayman GT4 Clubsport MR | Bethke / Basseng | Schwede Motorsport | DNF/36th |
| 24.6.2018 | GT4 Euro Misano | 15 | Cayman GT4 Clubsport MR | Schulte / Schraml | Schwede Motorsport | DNF/21st |
| 24.6.2018 | GT4 Euro Misano | 42 | Cayman GT4 Clubsport MR | Bölting / Schöll | Allied-Racing | 32nd/DNS |
| 24.6.2018 | GT4 Euro Misano | 43 | Cayman GT4 Clubsport MR | Kasperlik / Still | Allied-Racing | DNF/14th |
| 24.6.2018 | GT Sports Club Misano | 66 | 991 GT3 R | Jürgen Häring | Herberth Motorsport | 4th |
| 24.6.2018 | GT4 Euro Misano | 75 | 997 GT4 | Fondi / Cerati | Autorlando Sport | 21st/26th |
| 24.6.2018 | GT4 Euro Misano | 76 | 997 GT4 | Ghezzi / Giovanelli | Autorlando Sport | 12th/19th |
| 24.6.2018 | GT Sports Club Misano | 100 | 991 GT3 R | Bernd Kleinbach | Attempto Racing | 11th |
| 24.6.2018 | GT4 Euro Misano | 222 | Cayman GT4 Clubsport MR | Niki Leutwiler | Porsche Zentrum Oberer Zürichsee by TFT Racing | 14th/12th |
| 1.7.2018 | 300 km Chang | 7 | 991 GT3 R | Fujii / Müller | D'station Racing | 21st |
| 1.7.2018 | 300 km Chang | 9 | 991 GT3 R | Kubo / Ishikawa | Pacific with Gulf Racing | 29th |
| 1.7.2018 | SRO GT Asia Suzuka | 11 | Cayman GT4 Clubsport MR | Lee / Fong | TTR Team SARD | 25th/27th |
| 1.7.2018 | SRO GT Asia Suzuka | 17 | Cayman GT4 Clubsport MR | Chou / Chang | Taiwan Top Speed Racing Team | 24th/25th |
| 1.7.2018 | SRO GT Asia Suzuka | 33 | 991 GT3 R | Yamano / Yamano | Porsche Team EBI | 12th/10th |
| 1.7.2018 | GT4 Central Cup Nürburgring | 41 | Cayman GT4 Clubsport MR | Bölting / Kremer | Allied Racing | 10th/9th |
| 1.7.2018 | GT4 Central Cup Nürburgring | 43 | Cayman GT4 Clubsport MR | Schöll / Severs | Allied Racing | 5th/2nd |
| 1.7.2018 | SRO GT Asia Suzuka | 47 | 991 GT3 R | Hoshino / Ara | D'Station Racing | 13th/13th |
| 1.7.2018 | 6 h Watkins Glen | 58 | 991 GT3 R | Long / Renauer / Nielsen | Wright Motorsports | 28th |
| 1.7.2018 | 6 h Watkins Glen | 73 | 991 GT3 R | Lindsey / Bergmeister | Park Place Motorsports | 25th |
| 1.7.2018 | SRO GT Asia Suzuka | 911 | 991 GT3 R | Davies / Stuvik | Craft-Bamboo Racing | 2nd/5th |
| 1.7.2018 | 6 h Watkins Glen | 911 | 991 RSR II | Pilet / Tandy | Porsche GT Team | 15th |
| 1.7.2018 | 6 h Watkins Glen | 912 | 991 RSR II | Bamber / Vanthoor | Porsche GT Team | 16th |
| 1.7.2018 | SRO GT Asia Suzuka | 991 | 991 GT3 R | Read / O'Young | Craft-Bamboo Racing | 28th/9th |
| 3.7.2018 | Spa Test | 117 | 991 GT3 R | Bernhard / Bamber / Vanthoor | KÜS Team75 Bernhard | 8th |
| 3.7.2018 | Spa Test | 540 | 991 GT3 R | Pappas / Bleekemolen / Lieb / Miller | Black Swan Racing | 44th |
| 3.7.2018 | Spa Test | 911 | 991 GT3 R | Dumas / Makowiecki / Werner | Manthey-Racing | 14th |
| 3.7.2018 | Spa Test | 991 | 991 GT3 R | Häring / Brauner / Triller / Renauer | Herberth Motorsport | 2nd |
| 8.7.2018 | 2 h 40 min Mosport | 16 | 991 GT3 R | Schein / Henzler | Wright Motorsports | 28th |
| 8.7.2018 | 2 h 40 min Mosport | 58 | 991 GT3 R | Nielsen / Long | Wright Motorsports | 27th |
| 8.7.2018 | 2 h 40 min Mosport | 911 | 991 RSR II | Tandy / Pilet | Porsche GT Team | 13th |
| 8.7.2018 | 2 h 40 min Mosport | 912 | 991 RSR II | Vanthoor / Bamber | Porsche GT Team | 15th |
| 15.7.2018 | Italian GT Mugello | 176 | 997 GT3 Cup | Pisani / Sauto | Eugenio Pisani | 13th/13th |