| 12.3.2023 | WEC Sebring Test | 56 | | Hyett / Jeannette / Cairoli | Project 1 - AO | 24th |
| 12.3.2023 | WEC Sebring Test | 60 | #WP0ZZZ99ZNS199912 | Schiavoni / Cressoni / Picariello | Iron Lynx | 28th |
| 12.3.2023 | WEC Sebring Test | 77 | #WP0ZZZ99ZLS199919 | Ried / Pedersen / Andlauer | Dempsey - Proton Racing | 29th |
| 12.3.2023 | WEC Sebring Test | 85 | #WP0ZZZ99ZLS199916 | Bovy / Frey / Gatting | Iron Dames | 25th |
| 12.3.2023 | WEC Sebring Test | 86 | #WP0ZZZ99ZLS199913 | Wainwright / Pera / Barker | GR Racing | 26th |
| 12.3.2023 | WEC Sebring Test | 88 | #WP0ZZZ99ZLS199911? | Hardwick / Robichon / Tincknell | Proton Competition | 30th |
| 17.3.2023 | 1000 mile Sebring | 56 | | Cairoli / Jeannette / Hyett | Project 1 - AO | 29th |
| 17.3.2023 | 1000 mile Sebring | 60 | #WP0ZZZ99ZNS199912 | Picariello / Cressoni / Schiavoni | Iron Lynx | 22nd |
| 17.3.2023 | 1000 mile Sebring | 77 | #WP0ZZZ99ZLS199919 | Andlauer / Pedersen / Ried | Dempsey - Proton Racing | 18th |
| 17.3.2023 | 1000 mile Sebring | 85 | #WP0ZZZ99ZLS199916 | Frey / Bovy / Gatting | Iron Dames | 24th |
| 17.3.2023 | 1000 mile Sebring | 86 | #WP0ZZZ99ZLS199913 | Barker / Pera / Wainwright | GR Racing | 23rd |
| 17.3.2023 | 1000 mile Sebring | 88 | #WP0ZZZ99ZLS199911? | Hardwick / Tincknell / Robichon | Proton Competition | DNS |
| 16.4.2023 | 6 h Portimão | 56 | | Cairoli / de Oliveira / Ramos | Project 1 - AO | 26th |
| 16.4.2023 | 6 h Portimão | 60 | #WP0ZZZ99ZNS199912 | Picariello / Cressoni / Schiavoni | Iron Lynx | 32nd |
| 16.4.2023 | 6 h Portimão | 77 | #WP0ZZZ99ZLS199919 | Andlauer / Pedersen / Ried | Dempsey - Proton Racing | 27th |
| 16.4.2023 | 6 h Portimão | 85 | #WP0ZZZ99ZLS199916 | Frey / Bovy / Gatting | Iron Dames | 23rd |
| 16.4.2023 | 6 h Portimão | 86 | #WP0ZZZ99ZLS199913 | Barker / Pera / Wainwright | GR Racing | 31st |
| 16.4.2023 | 6 h Portimão | 88 | #WP0ZZZ99ZKS199905 | Tincknell / Robichon / Hardwick | Proton Competition | 29th |
| 19.4.2023 | ELMS Barcelona Test | 16 | | Hardwick / Robichon / Picariello | Proton Competition | 37th |
| 19.4.2023 | ELMS Barcelona Test | 60 | | Schiavoni / Cressoni / Cairoli | Iron Lynx | 31st |
| 19.4.2023 | ELMS Barcelona Test | 77 | | Ried / Levorato / Andlauer | Proton Competition | 32nd |
| 19.4.2023 | ELMS Barcelona Test | 93 | | Fassbender / Rump / Lietz | Proton Competition | 36th |
| 23.4.2023 | 4 h Barcelona | 16 | | Hardwick / Robichon / Picariello | Proton Competition | 26th |
| 23.4.2023 | 4 h Barcelona | 60 | | Schiavoni / Cressoni / Cairoli | Iron Lynx | 29th |
| 23.4.2023 | 4 h Barcelona | 77 | | Ried / Levorato / Andlauer | Proton Competition | DNF |
| 23.4.2023 | 4 h Barcelona | 93 | | Fassbender / Rump / Lietz | Proton Competition | 33rd |
| 29.4.2023 | 6 h Spa | 56 | #WP0ZZZ99ZNS199911 | Hyett / Jeannette / Cairoli | Project 1 - AO | DNS |
| 29.4.2023 | 6 h Spa | 60 | #WP0ZZZ99ZNS199912 | Picariello / Cressoni / Schiavoni | Iron Lynx | 30th |
| 29.4.2023 | 6 h Spa | 77 | #WP0ZZZ99ZLS199919 | Andlauer / Pedersen / Ried | Dempsey - Proton Racing | 28th |
| 29.4.2023 | 6 h Spa | 85 | #WP0ZZZ99ZLS199916 | Frey / Bovy / Gatting | Iron Dames | 24th |
| 29.4.2023 | 6 h Spa | 86 | #WP0ZZZ99ZLS199913 | Pera / Barker / Wainwright | GR Racing | 31st |
| 29.4.2023 | 6 h Spa | 88 | #WP0ZZZ99ZKS199905 | Tincknell / Robichon / Hardwick | Proton Competition | 23rd |
| 4.6.2023 | Le Mans Test | 16 | #WP0ZZZ99ZKS199905 | Robichon / Hardwick / Heylen | Proton Competition | 59th |
| 4.6.2023 | Le Mans Test | 46 | | Timo Glock | Team Project 1 | DNA |
| 4.6.2023 | Le Mans Test | 56 | #WP0ZZZ99ZNS199911 | Cairoli / Jeannette / Hyett | Project 1 - AO | 57th |
| 4.6.2023 | Le Mans Test | 60 | #WP0ZZZ99ZNS199912 | Picariello / Cressoni / Schiavoni | Iron Lynx | 52nd |
| 4.6.2023 | Le Mans Test | 77 | #WP0ZZZ99ZLS199919 | Pedersen / Andlauer / Ried | Dempsey - Proton Racing | 47th |
| 4.6.2023 | Le Mans Test | 85 | #WP0ZZZ99ZLS199916 | Frey / Bovy / Gatting | Iron Dames | 61st |
| 4.6.2023 | Le Mans Test | 86 | #WP0ZZZ99ZLS199913 | Barker / Pera / Wainwright | GR Racing | 45th |
| 4.6.2023 | Le Mans Test | 88 | #WP0ZZZ99ZLS199911 | Tincknell / Yount / Ried | Proton Competition | 46th |
| 4.6.2023 | Le Mans Test | 911 | #WP0ZZZ99ZLS199920 | Lietz / Rump / Fassbender | Proton Competition | 55th |
| 11.6.2023 | 24 h Le Mans | 16 | #WP0ZZZ99ZKS199905 | Hardwick / Heylen / Robichon | Proton Competition | DNF |
| 11.6.2023 | 24 h Le Mans | 46 | | Timo Glock | Team Project 1 | DNA |
| 11.6.2023 | 24 h Le Mans | 56 | #WP0ZZZ99ZNS199911 | Cairoli / Jeannette / Hyett | Project 1 - AO | 35th |
| 11.6.2023 | 24 h Le Mans | 60 | #WP0ZZZ99ZNS199912 | Picariello / Schiavoni / Cressoni | Iron Lynx | DNF |
| 11.6.2023 | 24 h Le Mans | 77 | #WP0ZZZ99ZLS199919 | Andlauer / Pedersen / Ried | Dempsey - Proton Racing | DNF |
| 11.6.2023 | 24 h Le Mans | 85 | #WP0ZZZ99ZLS199916 | Frey / Bovy / Gatting | Iron Dames | 30th |
| 11.6.2023 | 24 h Le Mans | 86 | #WP0ZZZ99ZLS199913 | Barker / Pera / Wainwright | GR Racing | 29th |
| 11.6.2023 | 24 h Le Mans | 88 | #WP0ZZZ99ZLS199911 | Tincknell / Ried / Yount | Proton Competition | DNF |
| 11.6.2023 | 24 h Le Mans | 911 | #WP0ZZZ99ZLS199920 | Lietz / Rump / Fassbender | Proton Competition | DNF |
| 9.7.2023 | 6 h Monza | 56 | #WP0ZZZ99ZNS199911 | Cairoli / de Oliveira / Castro | Project 1 - AO | 29th |
| 9.7.2023 | 6 h Monza | 60 | #WP0ZZZ99ZNS199912 | Picariello / Cressoni / Schiavoni | Iron Lynx | 23rd |
| 9.7.2023 | 6 h Monza | 77 | #WP0ZZZ99ZLS199919b | Andlauer / Pedersen / Ried | Dempsey - Proton Racing | 22nd |
| 9.7.2023 | 6 h Monza | 85 | #WP0ZZZ99ZLS199916 | Frey / Bovy / Gatting | Iron Dames | 26th |
| 9.7.2023 | 6 h Monza | 86 | #WP0ZZZ99ZLS199913 | Barker / Pera / Wainwright | GR Racing | 24th |
| 16.7.2023 | 4 h Le Castellet | 16 | | Hardwick / Robichon / Picariello | Proton Competition | 37th |
| 16.7.2023 | 4 h Le Castellet | 60 | | Schiavoni / Cressoni / Cairoli | Iron Lynx | 30th |
| 16.7.2023 | 4 h Le Castellet | 77 | | Ried / Levorato / Andlauer | Proton Competition | 29th |
| 16.7.2023 | 4 h Le Castellet | 93 | | Fassbender / Rump / Lietz | Proton Competition | 38th |
| 26.8.2023 | 4 h Aragón | 16 | | Hardwick / Robichon / Picariello | Proton Competition | 20th |
| 26.8.2023 | 4 h Aragón | 60 | | Schiavoni / Cressoni / Cairoli | Iron Lynx | 28th |
| 26.8.2023 | 4 h Aragón | 77 | | Ried / Levorato / Andlauer | Proton Competition | 22nd |
| 26.8.2023 | 4 h Aragón | 93 | | Fassbender / Rump / Lietz | Proton Competition | 21st |
| 10.9.2023 | 6 h Fuji | 56 | | Hyett / Cairoli / Jeannette | Project 1 - AO | 27th |
| 10.9.2023 | 6 h Fuji | 60 | | Schiavoni / Picariello / Cressoni | Iron Lynx | 33rd |
| 10.9.2023 | 6 h Fuji | 77 | | Ried / Andlauer / Pedersen | Dempsey - Proton Racing | 28th |
| 10.9.2023 | 6 h Fuji | 85 | | Bovy / Frey / Gatting | Iron Dames | 26th |
| 10.9.2023 | 6 h Fuji | 86 | | Barker / Pera / Wainwright | GR Racing | 30th |
| 24.9.2023 | 4 h Spa | 16 | | Hardwick / Robichon / Picariello | Proton Competition | 22nd |
| 24.9.2023 | 4 h Spa | 60 | | Schiavoni / Cressoni / Cairoli | Iron Lynx | 18th |
| 24.9.2023 | 4 h Spa | 77 | | Ried / Levorato / Andlauer | Proton Competition | 27th |
| 24.9.2023 | 4 h Spa | 93 | | Fassbender / Rump / Lietz | Proton Competition | DNF |
| 20.10.2023 | 4 h Algarve | 16 | | Hardwick / Robichon / Picariello | Proton Competition | 23rd |
| 20.10.2023 | 4 h Algarve | 60 | #WP0ZZZ99ZKS199904 | Schiavoni / Cressoni / Cairoli | Iron Lynx | 24th |
| 20.10.2023 | 4 h Algarve | 77 | | Ried / Levorato / Andlauer | Proton Competition | 22nd |
| 20.10.2023 | 4 h Algarve | 93 | | Fassbender / Rump / Lietz | Proton Competition | 32nd |
| 22.10.2023 | 4 h Portimão | 16 | | Hardwick / Robichon / Picariello | Proton Competition | 20th |
| 22.10.2023 | 4 h Portimão | 77 | | Ried / Levorato / Andlauer | Proton Competition | 22nd |