| 12.3.2023 | WEC Sebring Test | 5 | 963 | Cameron / Christensen / Makowiecki | Porsche Penske Motorsport | 4th |
| 12.3.2023 | WEC Sebring Test | 6 | 963 | Estre / Lotterer / Vanthoor | Porsche Penske Motorsport | 5th |
| 12.3.2023 | VP Challenge Sebring | 17 | 718 Cayman GT4 RS Clubsport | Will Wachs | BGB Motorsports | 26th/24th |
| 12.3.2023 | VP Challenge Sebring | 27 | 718 Cayman GT4 RS Clubsport | Sebastian Carazo | Kellymoss with Riley | 14th/11th |
| 12.3.2023 | WEC Sebring Test | 56 | 991 RSR II 19 | Hyett / Jeannette / Cairoli | Project 1 - AO | 24th |
| 12.3.2023 | WEC Sebring Test | 60 | 991 RSR II 19 | Schiavoni / Cressoni / Picariello | Iron Lynx | 28th |
| 12.3.2023 | WEC Sebring Test | 77 | 991 RSR II 19 | Ried / Pedersen / Andlauer | Dempsey - Proton Racing | 29th |
| 12.3.2023 | VP Challenge Sebring | 83 | 718 Cayman GT4 RS Clubsport | Thomas Collingwood | BGB Motorsports | 28th/21st |
| 12.3.2023 | WEC Sebring Test | 85 | 991 RSR II 19 | Bovy / Frey / Gatting | Iron Dames | 25th |
| 12.3.2023 | WEC Sebring Test | 86 | 991 RSR II 19 | Wainwright / Pera / Barker | GR Racing | 26th |
| 12.3.2023 | WEC Sebring Test | 88 | 991 RSR II 19 | Hardwick / Robichon / Tincknell | Proton Competition | 30th |
| 12.3.2023 | VP Challenge Sebring | 93 | 718 Cayman GT4 RS Clubsport | Sameer Gandhi | CarBahn with Peregrine Racing | 29th/26th |
| 17.3.2023 | 1000 mile Sebring | 5 | 963 | Makowiecki / Christensen / Cameron | Porsche Penske Motorsport | 5th |
| 17.3.2023 | 1000 mile Sebring | 6 | 963 | Vanthoor / Estre / Lotterer | Porsche Penske Motorsport | 6th |
| 17.3.2023 | 1000 mile Sebring | 56 | 991 RSR II 19 | Cairoli / Jeannette / Hyett | Project 1 - AO | 29th |
| 17.3.2023 | 1000 mile Sebring | 60 | 991 RSR II 19 | Picariello / Cressoni / Schiavoni | Iron Lynx | 22nd |
| 17.3.2023 | 1000 mile Sebring | 77 | 991 RSR II 19 | Andlauer / Pedersen / Ried | Dempsey - Proton Racing | 18th |
| 17.3.2023 | 1000 mile Sebring | 85 | 991 RSR II 19 | Frey / Bovy / Gatting | Iron Dames | 24th |
| 17.3.2023 | 1000 mile Sebring | 86 | 991 RSR II 19 | Barker / Pera / Wainwright | GR Racing | 23rd |
| 17.3.2023 | 1000 mile Sebring | 88 | 991 RSR II 19 | Hardwick / Tincknell / Robichon | Proton Competition | DNS |
| 18.3.2023 | 12 h Sebring | 6 | 963 | Jaminet / Cameron / Tandy | Porsche Penske Motorsports | 9th |
| 18.3.2023 | 12 h Sebring | 7 | 963 | Campbell / Nasr / Christensen | Porsche Penske Motorsports | 11th |
| 18.3.2023 | 12 h Sebring | 9 | 992 GT3 R I | Bachler / Vanthoor / Pilet | Pfaff Motorsports | 17th |
| 18.3.2023 | 12 h Sebring | 16 | 992 GT3 R I | Heylen / Robichon / Hardwick | Wright Motorsports | 30th |
| 18.3.2023 | 12 h Sebring | 77 | 992 GT3 R I | Brynjolfsson / Hindman / Root | Wright Motorsports | 32nd |
| 18.3.2023 | 12 h Sebring | 80 | 992 GT3 R I | Hyett / Priaulx / Jeannette | AO Racing | 43rd |
| 18.3.2023 | 12 h Sebring | 91 | 992 GT3 R I | Metni / van Berlo / Evans | Kellymoss with Riley | 31st |
| 18.3.2023 | 12 h Sebring | 92 | 992 GT3 R I | Brule / Andlauer / Udell | Kellymoss with Riley | 27th |
| 26.3.2023 | 12 h Mugello | 90 | 991 GT3 R II | Morcillo / Burguera / Sainero | E2P Racing | 37th |
| 26.3.2023 | 12 h Mugello | 91 | 991 GT3 R II | Bohn / Allemann / Renauer / Renauer | Herberth Motorsport | DNF |
| 26.3.2023 | 12 h Mugello | 600 | 992 GT3 R I | Bohn / Allemann / Renauer / Renauer | Herberth Motorsport | DNF |
| 26.3.2023 | 12 h Mugello | 719 | 991 GT3 Cup II MR | Goder / Oehme / Schlüter / Oehme | 9und11 Racing | 32nd |
| 26.3.2023 | 12 h Mugello | 903 | 992 GT3 Cup | de Breucker / Redant / Redant | Red Ant Racing | 8th |
| 26.3.2023 | 12 h Mugello | 904 | 992 GT3 Cup | Van Rompuy / Van Rompuy / Redant / van Bellingen | Red Ant Racing | 22nd |
| 26.3.2023 | 12 h Mugello | 907 | 992 GT3 Cup | Krohn / Jönsson / Hamprecht | RPM Racing | 13th |
| 26.3.2023 | 12 h Mugello | 909 | 992 GT3 Cup | Breukers / Breukers / Breukers / Danz | Red Camel-Jordans.nl | 7th |
| 26.3.2023 | 12 h Mugello | 912 | 992 GT3 Cup | Presezzi / Busnelli / Jacoma / Fenici | Centri Porsche Ticino | 9th |
| 26.3.2023 | 12 h Mugello | 923 | 992 GT3 Cup | Akatsu / Fulgenzi / Galbiati | Enrico Fulgenzi Racing | 12th |
| 26.3.2023 | 12 h Mugello | 928 | 992 GT3 Cup | Bessem / Hilders | NKPP by HRT Performance | 33rd |
| 26.3.2023 | 12 h Mugello | 930 | 992 GT3 Cup | Herber / van Berlo | HRT Performance | 17th |
| 26.3.2023 | 12 h Mugello | 955 | 992 GT3 Cup | Broggi / Nicolae / de Castro | Willi Motorsport by Ebimotors | 4th |
| 26.3.2023 | 12 h Mugello | 967 | 992 GT3 Cup | Pampanini / Pampanini / Monaco / Stürzinger | HRT Performance | 19th |
| 26.3.2023 | 12 h Mugello | 973 | 992 GT3 Cup | Venerosi / Gnemmi / Piccioli / Giorgi | Ebimotors | 11th |
| 26.3.2023 | 12 h Mugello | 985 | 992 GT3 Cup | Neuhofer / Neuhofer / Birkner / Ragginger | Neuhofer Rennsport | 10th |
| 26.3.2023 | 12 h Mugello | 992 | 992 GT3 Cup | Kupčikas / Šlimas / Rudokas / Žadeika | Porsche Baltic | 20th |
| 2.4.2023 | GT America Sonoma | 043 | 991 GT3 R II | Alex Vogel | OnlyFans Racing with P1 Groupe by MRS | 10th/18th |
| 2.4.2023 | GT4 America Sonoma | 09 | 718 Cayman GT4 RS Clubsport | Ruppel / Zitza | Zotz Racing / CCDP Racing | 33rd/DNF |
| 2.4.2023 | GT America Sonoma | 098 | 718 Cayman GT4 RS Clubsport | Chris Alliegro | Rotek Racing | DNA |
| 2.4.2023 | GT4 America Sonoma | 099 | 718 Cayman GT4 RS Clubsport | Holland / Stad | Rotek Racing | 26th/28th |
| 2.4.2023 | GT America Sonoma | 099 | 718 Cayman GT4 RS Clubsport | Robb Holland | Rotek Racing | 11th/DNF |
| 2.4.2023 | GT4 America Sonoma | 7 | 718 Cayman GT4 RS Clubsport | Swearingin / van Berlo | ACI Motorsports | DQ/DNF |
| 2.4.2023 | SRO GT America Sonoma | 16 | 991 GT3 R II | Torres / Pumpelly | ACI Motorsports | 4th/13th |
| 2.4.2023 | GT4 America Sonoma | 18 | 718 Cayman GT4 RS Clubsport | Krainz / Krainz | RS1 | 18th/29th |
| 2.4.2023 | GT4 America Sonoma | 19 | 718 Cayman GT4 RS Clubsport | Selldorff / Davis | ACI Motorsports | 4th/12th |
| 2.4.2023 | SRO GT America Sonoma | 28 | 992 GT3 R I | Filgueiras / McAleer | RS1 | 1st/9th |
| 2.4.2023 | GT America Sonoma | 32 | 991 GT3 R II | Kyle Washington | GMG Racing | 7th/5th |
| 2.4.2023 | GT4 America Sonoma | 32 | 718 Cayman GT4 RS Clubsport | Washington / Sofronas | GMG Racing | DNF/32nd |
| 2.4.2023 | SRO GT America Sonoma | 45 | 992 GT3 R I | Luck / Heylen | Wright Motorsports | 8th/4th |
| 2.4.2023 | GT4 America Sonoma | 47 | 718 Cayman GT4 RS Clubsport | Travis / Hart | NOLAsport | 1st/5th |
| 2.4.2023 | GT4 America Sonoma | 52 | 718 Cayman GT4 RS Clubsport | Peterman / Carpentier | NOLAsport | 31st/34th |
| 2.4.2023 | SRO GT America Sonoma | 53 | 992 GT3 R I | Estep / Lucas | MDK Motorsports | 7th/8th |
| 2.4.2023 | GT4 America Sonoma | 58 | 718 Cayman GT4 RS Clubsport | Edge / Halcome | ACI Motorsports | 30th/33rd |
| 2.4.2023 | GT4 America Sonoma | 83 | 718 Cayman GT4 RS Clubsport | Calle / Martinez | Nolasport | 19th/18th |
| 2.4.2023 | GT4 America Sonoma | 95 | 718 Cayman GT4 RS Clubsport | Ferriol / Clark | OGH/Valkyrie Velocity | 8th/17th |
| 2.4.2023 | GT4 America Sonoma | 96 | 718 Cayman GT4 RS Clubsport | Walsh / Starkweather | OGH/Valkyrie Velocity | 12th/16th |
| 2.4.2023 | GT4 America Sonoma | 97 | 718 Cayman GT4 RS Clubsport | Gibbons / Owen | OGH / Valkyrie Velocity | 27th/23rd |
| 2.4.2023 | GT America Sonoma | 120 | 991 GT3 R II | Adam Adelson | Wright Motorsports | 2nd/20th |
| 2.4.2023 | SRO GT America Sonoma | 120 | 991 GT3 R II | Adelson / Skeer | Wright Motorsports | 2nd/3rd |
| 2.4.2023 | GT America Sonoma | 460 | 991 GT3 R II | Andy Wilzoch | Flying Lizard Motorsports | 8th/8th |
| 2.4.2023 | GT4 America Sonoma | 899 | 718 Cayman GT4 RS Clubsport | Tanoto / Conwright | SP Motorsports | 17th/36th |
| 9.4.2023 | Australian GT Bathurst | 1 | 991 GT3 R II | Shahin / Patterson | EMA / The Bend Motorsport Park | 2nd/5th |
| 9.4.2023 | Australian GT Bathurst | 78 | 991 GT3 Cup II | Marcos Flack | Sonic / Rosche Paper / Supa Straws | 9th/10th |
| 10.4.2023 | FFSA GT4 Nogaro | 10 | 718 Cayman GT4 RS Clubsport | Clairet / Clairet | AVR Avvatar | 18th/1st |
| 10.4.2023 | FFSA GT4 Nogaro | 12 | 718 Cayman GT4 RS Clubsport | Prost / Servol | CMR | 7th/11th |
| 10.4.2023 | British GT Oulton Park | 18 | 718 Cayman GT4 RS Clubsport | Meakin / Vaughan | Team Parker Racing | 24th/23rd |
| 10.4.2023 | FFSA GT4 Nogaro | 29 | 718 Cayman GT4 RS Clubsport | Petelet / Mogica | CMR | 27th/3rd |
| 10.4.2023 | FFSA GT4 Nogaro | 43 | 718 Cayman GT4 RS Clubsport | Navarro / Navarro | JSB Compétition | 11th/28th |
| 15.4.2023 | 100 min Long Beach | 6 | 963 | Tandy / Jaminet | Porsche Penske Motorsports | 1st |
| 15.4.2023 | 100 min Long Beach | 7 | 963 | Campbell / Nasr | Porsche Penske Motorsports | 3rd |
| 15.4.2023 | 100 min Long Beach | 9 | 992 GT3 R I | Bachler / Pilet | Pfaff Motorsports | 10th |
| 15.4.2023 | 100 min Long Beach | 77 | 992 GT3 R I | Brynjolfsson / Hindman | Wright Motorsports | 21st |
| 15.4.2023 | 100 min Long Beach | 80 | 992 GT3 R I | Hyett / Priaulx | AO Racing | DNS |
| 15.4.2023 | 100 min Long Beach | 91 | 992 GT3 R I | Metni / van Berlo | Kellymoss with Riley | 24th |
| 15.4.2023 | 100 min Long Beach | 92 | 992 GT3 R I | Udell / Bleekemolen | Kellymoss with Riley | 25th |
| 16.4.2023 | 6 h Portimão | 5 | 963 | Christensen / Makowiecki / Cameron | Porsche Penske Motorsport | 35th |
| 16.4.2023 | 6 h Portimão | 6 | 963 | Lotterer / Estre / Vanthoor | Porsche Penske Motorsport | 3rd |
| 16.4.2023 | 6 h Portimão | 56 | 991 RSR II 19 | Cairoli / de Oliveira / Ramos | Project 1 - AO | 26th |
| 16.4.2023 | 6 h Portimão | 60 | 991 RSR II 19 | Picariello / Cressoni / Schiavoni | Iron Lynx | 32nd |
| 16.4.2023 | 6 h Portimão | 77 | 991 RSR II 19 | Andlauer / Pedersen / Ried | Dempsey - Proton Racing | 27th |
| 16.4.2023 | 6 h Portimão | 85 | 991 RSR II 19 | Frey / Bovy / Gatting | Iron Dames | 23rd |
| 16.4.2023 | 6 h Portimão | 86 | 991 RSR II 19 | Barker / Pera / Wainwright | GR Racing | 31st |
| 16.4.2023 | 6 h Portimão | 88 | 991 RSR II 19 | Tincknell / Robichon / Hardwick | Proton Competition | 29th |
| 18.4.2023 | LM Cup Barcelona Test | 18 | 992 GT3 R I | Jones | Team Parker Racing | 36th |
| 18.4.2023 | LM Cup Barcelona Test | 64 | 991 GT3 R | Martin / Bateman | Team Parker Racing | 42nd |
| 18.4.2023 | LM Cup Barcelona Test | 86 | 991 GT3 R | Creswick / Fjordbach | HCR With CaffeineSix | 30th |
| 19.4.2023 | ELMS Barcelona Test | 16 | 991 RSR II 19 | Hardwick / Robichon / Picariello | Proton Competition | 37th |
| 19.4.2023 | ELMS Barcelona Test | 60 | 991 RSR II 19 | Schiavoni / Cressoni / Cairoli | Iron Lynx | 31st |
| 19.4.2023 | ELMS Barcelona Test | 77 | 991 RSR II 19 | Ried / Levorato / Andlauer | Proton Competition | 32nd |
| 19.4.2023 | ELMS Barcelona Test | 93 | 991 RSR II 19 | Fassbender / Rump / Lietz | Proton Competition | 36th |
| 22.4.2023 | LM Cup Barcelona | 18 | 992 GT3 R I | Jones / Malvern | Team Parker Racing | 18th |