| 1.8.2021 | 24 h Spa | 18 | 991 GT3 R II | Imperatori / Burdon / Liberati | KCMG | 12th |
| 1.8.2021 | 24 h Spa | 21 | 991 GT3 R II | Müller / Lietz / Estre | Rutronik Racing | DNF |
| 1.8.2021 | 24 h Spa | 22 | 991 GT3 R II | Campbell / Bamber / Jaminet | GPX Martini Racing | DNF |
| 1.8.2021 | 24 h Spa | 47 | 991 GT3 R II | Martin / Tandy / Vanthoor | KCMG | 5th |
| 1.8.2021 | 24 h Spa | 54 | 991 GT3 R II | Cairoli / Bachler / Engelhart | Dinamic Motorsport | DNF |
| 1.8.2021 | 24 h Spa | 56 | 991 GT3 R II | Rizzoli / Pedersen / Dumas | Dinamic Motorsport | DNF |
| 1.8.2021 | 24 h Spa | 61 | 991 GT3 R II | Triller / Rivas / Harker / Bamber | EBM Giga Racing | 20th |
| 1.8.2021 | 24 h Spa | 222 | 991 GT3 R II | Kern / Buus / Apothéloz / Santamato | Team Allied-Racing | 27th |
| 1.8.2021 | 24 h Spa | 911 | 991 GT3 R II | Au / Allemann / Renauer / Renauer | Herberth Motorsport | 26th |
| 8.8.2021 | 2 h 40 min Road America | 9 | 991 GT3 R | Robichon / Vanthoor | Pfaff Motorsports | 20th |
| 8.8.2021 | 2 h 40 min Road America | 16 | 991 GT3 R | Hindman / Long | Wright Motorsports | 22nd |
| 8.8.2021 | GT America Nashville | 32 | 991 GT3 R II | Kyle Washington | GMG Racing | DNF/19th |
| 8.8.2021 | British GT Snetterton | 33 | 991 GT3 R | Jennings / Caton | G-Cat Racing | 9th/9th |
| 8.8.2021 | GT America Nashville | 45 | 991 GT3 R II | Charles Luck | Wright Motorsports | 3rd/7th |
| 8.8.2021 | GT America Nashville | 66 | 718 Cayman GT4 Clubsport MR | Derek DeBoer | TRG | DNF/17th |
| 8.8.2021 | British GT Snetterton | 66 | 991 GT3 R | Jones / Malvern | Team Parker Racing | DNS/DNF |
| 8.8.2021 | 2 h 40 min Road America | 79 | 991 RSR II 19 | MacNeil / Campbell | WeatherTech Racing | 12th |
| 8.8.2021 | 2 h 40 min Road America | 88 | 991 GT3 R | Ferriol / Legge | Team Hardpoint EBM | 27th |
| 8.8.2021 | GT America Nashville | 120 | 718 Cayman GT4 Clubsport MR | Adam Adelson | Premier Racing | 14th/15th |
| 15.8.2021 | Le Mans Test | 18 | 991 RSR II 19 | Haryanto / Picariello / Seefried | Absolute Racing | 48th |
| 15.8.2021 | Le Mans Test | 46 | 991 RSR II 19 | Olsen / Burchardt / Foley | Team Project 1 | 59th |
| 15.8.2021 | Le Mans Test | 56 | 991 RSR II 19 | Perfetti / Cairoli / Pera | Team Project 1 | 41st |
| 15.8.2021 | Le Mans Test | 69 | 991 RSR II 19 | Renauer / Bohn / Ineichen | Herberth Motorsport | 53rd |
| 15.8.2021 | Le Mans Test | 72 | 991 RSR II 19 | Vanthoor / Parente / Martin | HubAuto Racing | 37th |
| 15.8.2021 | Le Mans Test | 77 | 991 RSR II 19 | Ried / Evans / Campbell / Fassbender | Dempsey-Proton Racing | 57th |
| 15.8.2021 | Le Mans Test | 79 | 991 RSR II 19 | MacNeil / Bamber / Vanthoor | WeatherTech Racing | 34th |
| 15.8.2021 | Le Mans Test | 86 | 991 RSR II 19 | Wainwright / Barker / Gamble | GR Racing | 45th |
| 15.8.2021 | Le Mans Test | 88 | 991 RSR II 19 | Bastien / Andlauer / Arnold | Dempsey-Proton Racing | 43rd |
| 15.8.2021 | Le Mans Test | 91 | 991 RSR II 19 | Bruni / Lietz / Makowiecki | Porsche GT Team | 33rd |
| 15.8.2021 | Le Mans Test | 92 | 991 RSR II 19 | Estre / Jani / Christensen | Porsche GT Team | 32nd |
| 15.8.2021 | Le Mans Test | 99 | 991 RSR II 19 | Tincknell / Inthraphuvasak / Latorre | Proton Competition | 40th |
| 21.8.2021 | Road to Le Mans | 2 | 991 GT3 R | Leutwiler / Andlauer | Pzoberer Zürichsee by TFT | DNF/24th |
| 21.8.2021 | Road to Le Mans | 92 | 991 GT3 R | Renauer / Häring | Herberth Motorsport | 23rd/31st |
| 22.8.2021 | GT4 Scandinavia Karlskoga | 1 | 718 Cayman GT4 Clubsport MR | Annervi / Bergström | Race Team Gellerasen | 3rd/5th |
| 22.8.2021 | 24 h Le Mans | 18 | 991 RSR II 19 | Haryanto / Picariello / Seefried | Absolute Racing | 34th |
| 22.8.2021 | DTM Trophy Nürburgring | 21 | Cayman PRO4 | Maximilian Schmidt | PROsport Racing | 19th/21st |
| 22.8.2021 | GT4 Scandinavia Karlskoga | 21 | 718 Cayman GT4 Clubsport MR | Ward / Ricknäs | RMS | 10th/8th |
| 22.8.2021 | 300 km Suzuka | 25 | 991 GT3 R | Matsui / Sato | Hoppy Team Tsuchiya | 37th |
| 22.8.2021 | 24 h Le Mans | 46 | 991 RSR II 19 | Olsen / Burchardt / Foley | Team Project 1 | DNF |
| 22.8.2021 | 24 h Le Mans | 56 | 991 RSR II 19 | Perfetti / Cairoli / Pera | Team Project 1 | DNF |
| 22.8.2021 | 24 h Le Mans | 69 | 991 RSR II 19 | Renauer / Bohn / Ineichen | Herberth Motorsport | 38th |
| 22.8.2021 | 24 h Le Mans | 72 | 991 RSR II 19 | Vanthoor / Parente / Martin | HubAuto Racing | DNF |
| 22.8.2021 | 24 h Le Mans | 77 | 991 RSR II 19 | Ried / Evans / Campbell | Dempsey-Proton Racing | 31st |
| 22.8.2021 | GT4 Scandinavia Karlskoga | 78 | 718 Cayman GT4 Clubsport MR | Bard / Skoog | Race Team Gellerasen | 8th/7th |
| 22.8.2021 | 24 h Le Mans | 79 | 991 RSR II 19 | MacNeil / Bamber / Vanthoor | WeatherTech Racing | DNF |
| 22.8.2021 | 24 h Le Mans | 86 | 991 RSR II 19 | Wainwright / Barker / Gamble | GR Racing | 43rd |
| 22.8.2021 | 24 h Le Mans | 88 | 991 RSR II 19 | Bastien / Andlauer / Arnold | Dempsey-Proton Racing | 42nd |
| 22.8.2021 | 24 h Le Mans | 91 | 991 RSR II 19 | Bruni / Lietz / Makowiecki | Porsche GT Team | 23rd |
| 22.8.2021 | DTM Nürburgring | 92 | 991 GT3 R II | Michael Ammermüller | SSR Performance | DNF/DNF |
| 22.8.2021 | 24 h Le Mans | 92 | 991 RSR II 19 | Estre / Jani / Christensen | Porsche GT Team | T-car |
| 22.8.2021 | 24 h Le Mans | 92T | 991 RSR II 19 | Estre / Jani / Christensen | Porsche GT Team | 22nd |
| 22.8.2021 | 24 h Le Mans | 99 | 991 RSR II 19 | Tincknell / Inthraphuvasak / Latorre | Proton Competition | DNF |
| 22.8.2021 | GT4 Scandinavia Karlskoga | 195 | 718 Cayman GT4 Clubsport MR | "Babalus" / Hobohm | Lights 2 Flag | 9th/9th |
| 29.8.2021 | GT4 America Road America | 7 | 718 Cayman GT4 Clubsport MR | Owen / Gibbons | Nolasport with OGH | 35th/32nd |
| 29.8.2021 | GT4 America Road America | 17 | 718 Cayman GT4 Clubsport MR | Rappaport / Hetherington | TRG - The Racers Group | 32nd/28th |
| 29.8.2021 | SRO GT America Road America | 20 | 991 GT3 R II | Poordad / Heylen | Wright Motorsports | 6th/3rd |
| 29.8.2021 | GT America Road America | 32 | 991 GT3 R II | Kyle Washington | GMG Racing | 7th/3rd |
| 29.8.2021 | GT America Road America | 45 | 991 GT3 R II | Charles Luck | Wright Motorsports | 3rd/DNF |
| 29.8.2021 | GT4 America Road America | 46 | 718 Cayman GT4 Clubsport MR | Walker / Walker | Nolasport | 20th/30th |
| 29.8.2021 | GT4 America Road America | 47 | 718 Cayman GT4 Clubsport MR | Travis / Hart | Nolasport | 7th/15th |
| 29.8.2021 | GT4 America Road America | 48 | 718 Cayman GT4 Clubsport MR | Starkweather / Geraci | Nolasport | 26th/25th |
| 29.8.2021 | GT America Road America | 49 | 718 Cayman GT4 Clubsport MR | Scott Noble | Nolasport | 12th/8th |
| 29.8.2021 | GT America Road America | 54 | 718 Cayman GT4 Clubsport MR | Tim Pappas | Black Swan Racing | DNS |
| 29.8.2021 | GT4 America Road America | 54 | 718 Cayman GT4 Clubsport MR | Pappas / Bleekemolen | Black Swan Racing | 24th/5th |
| 29.8.2021 | GT4 America Road America | 66 | 718 Cayman GT4 Clubsport MR | DeBoer / Pumpelly | TRG - The Racers Group | 4th/20th |
| 29.8.2021 | GT America Road America | 120 | 718 Cayman GT4 Clubsport MR | Adam Adelson | Premier Racing | 19th/13th |
| 29.8.2021 | GT4 America Road America | 120 | 718 Cayman GT4 Clubsport MR | Adelson / Skeer | Premier Racing | 21st/16th |
| 29.8.2021 | SRO GT Sprint Brands Hatch | 222 | 991 GT3 R II | Apothéloz / Bachler | Team Allied-Racing | 19th/17th |
| 29.8.2021 | GT America Road America | 460 | 991 GT3 R II | Andy Wilzoch | Flying Lizard Motorsports | 4th/1st |
| 29.8.2021 | GT America Road America | 619 | 718 Cayman GT4 Clubsport MR | Alain Stad | Stephen Cameron Racing | 16th/12th |
| 29.8.2021 | GT4 America Road America | 619 | 718 Cayman GT4 Clubsport MR | Stad / Merrill | Stephen Cameron Racing | 16th/13th |
| 5.9.2021 | GT4 Scandinavia Anderstorp | 1 | 718 Cayman GT4 Clubsport MR | Annervi / Bergström | Race Team Gellerasen | 3rd/10th |
| 5.9.2021 | 24 h Barcelona | 7 | 991 GT3 R II | Pampanini / Calamia / Pampanini / Stürzinger | Dinamic Motorsport | DNF |
| 5.9.2021 | GT4 Euro Nürburgring | 20 | 718 Cayman GT4 Clubsport MR | Kasperlik / Wiskirchen | Allied Racing | 35th/DNS |
| 5.9.2021 | DTM Trophy Red Bull Ring | 21 | Cayman PRO4 | Maximilian Schmidt | PROsport Racing | 16th/12th |
| 5.9.2021 | GT4 Scandinavia Anderstorp | 21 | 718 Cayman GT4 Clubsport MR | Ward / Ricknäs | RMS | 9th/8th |
| 5.9.2021 | GT4 Euro Nürburgring | 22 | 718 Cayman GT4 Clubsport MR | Sturm / Møller Madsen | Allied Racing | DNF/28th |
| 5.9.2021 | 3 h Nürburgring | 22 | 991 GT3 R II | Campbell / Bamber / Jaminet | GPX Martini Racing | 37th |
| 5.9.2021 | GT4 Euro Nürburgring | 26 | 718 Cayman GT4 Clubsport MR | Hartvig / Camathias | Allied Racing | 18th/7th |
| 5.9.2021 | 3 h Nürburgring | 54 | 991 GT3 R II | Cairoli / Bachler / Engelhart | Dinamic Motorsport | 40th |
| 5.9.2021 | 3 h Nürburgring | 56 | 991 GT3 R II | Rizzoli / Pedersen / Dumas | Dinamic Motorsport | 36th |
| 5.9.2021 | GT4 Scandinavia Anderstorp | 78 | 718 Cayman GT4 Clubsport MR | Bard / Skoog | Race Team Gellerasen | 5th/7th |
| 5.9.2021 | 24 h Barcelona | 91 | 991 GT3 R II | Allemann / Bohn / Renauer / Renauer | Herberth Motorsport | 1st |
| 5.9.2021 | 24 h Barcelona | 92 | 991 GT3 R II | Häring / "Gonzales" / Triller / Seefried / Müller | Herberth Motorsport | 2nd |
| 5.9.2021 | GT4 Scandinavia Anderstorp | 195 | 718 Cayman GT4 Clubsport MR | "Babalus" / Hobohm | Lights 2 Flag | 8th/9th |
| 5.9.2021 | 3 h Nürburgring | 222 | 991 GT3 R II | Buus / Sturm / Apothéloz | Team Allied-Racing | 39th |
| 5.9.2021 | Italian GT Imola | 223 | 718 Cayman GT4 Clubsport MR | Carboni / Romani | Ebimotors | 31st/31st |
| 5.9.2021 | Italian GT Imola | 251 | 718 Cayman GT4 Clubsport MR | di Giusto / Pera | Ebimotors | 24th/27th |
| 5.9.2021 | Italian GT Imola | 274 | 718 Cayman GT4 Clubsport MR | Fondi / Giovanelli | Autorlando Sport | 29th/32nd |
| 5.9.2021 | Italian GT Imola | 275 | 718 Cayman GT4 Clubsport MR | Cerati / Ghezzi | Autorlando Sport | 28th/29th |
| 5.9.2021 | Italian GT Imola | 322 | 911 GT3 Cup | Berton / Riva | Krypton Motorsport | 17th/20th |
| 5.9.2021 | Italian GT Imola | 369 | 911 GT3 Cup | La Mazza / Nicolosi | Krypton Motorsport | DNQ |
| 5.9.2021 | Italian GT Imola | 381 | 991 GT3 Cup | Curti / Curti | Tsunami R.T. | 32nd/19th |
| 5.9.2021 | GT4 Euro Nürburgring | 718 | 718 Cayman GT4 Clubsport MR | Jacoma / Busnelli | Centri Porsche Ticino | 24th/15th |
| 5.9.2021 | 24 h Barcelona | 909 | 991 GT3 Cup II | Mukovoz / Sidoruk / Peregudov | DUWO Racing | 11th |
| 5.9.2021 | 24 h Barcelona | 955 | 991 GT3 Cup II | Broggi / Nicolae / de Castro | Willi Motorsport by Ebimotors | 8th |
| 5.9.2021 | 24 h Barcelona | 978 | 991 GT3 Cup II | Dons / Pickering / Coomber | Speed Lover | 25th |
| 5.9.2021 | 24 h Barcelona | 979 | 992 GT3 Cup | | Speed Lover | DNA |
| 5.9.2021 | 24 h Barcelona | 989 | 991 GT3 Cup II | Al Ameri / Butkevicius / Michelon / Gadetskii | RABDAN by MRS GT-Racing | DNF |
| 5.9.2021 | 24 h Barcelona | 999 | 992 GT3 Cup | Breukers / Breukers / Vermeulen / Mardini | Red Camel-Jordans.nl | 15th |