| 12.5.2018 | LM Cup Monza | 2 | | Littlejohn / Wells | Ecurie Ecosse / Nielsen | 2nd |
| 12.5.2018 | LM Cup Monza | 4 | #OR03-73 | Rondet / Schauerman | Brookspeed International | 18th |
| 12.5.2018 | LM Cup Monza | 9 | | Andrews / Kraut | Cool Racing | 7th |
| 12.5.2018 | LM Cup Monza | 22 | | Bell / McGuire | United Autosports | 22nd |
| 12.5.2018 | LM Cup Monza | 23 | | England / Meins | United Autosports | 17th |
| 12.5.2018 | LM Cup Monza | 24 | | Borga / Coigny | Cool Racing | 4th |
| 12.5.2018 | LM Cup Monza | 32 | | Braun / Husain | United Autosports | 10th |
| 12.5.2018 | LM Cup Monza | 40 | | Dannielou / Chila | Graff | 5th |
| 12.5.2018 | LM Cup Monza | 44 | | Sanchez / Cummings | SPV Racing | 20th |
| 12.5.2018 | LM Cup Monza | 65 | | Pasian / Delafosse | Graff | DNF |
| 12.5.2018 | LM Cup Monza | 79 | | Noble / McCaig | Ecurie Ecosse / Nielsen | 23rd |
| 12.5.2018 | LM Cup Monza | 98 | | Lunardi / de Doncker | Motorsport98 | 8th |
| 12.5.2018 | LM Cup Monza | 99 | | Accary / Costa | N'Race | 13th |
| 13.5.2018 | 4 h Monza | 2 | | Rayhall / Falb | United Autosports | 18th |
| 13.5.2018 | 4 h Monza | 3 | | Bell / Grist / Wells | United Autosports | 16th |
| 13.5.2018 | 4 h Monza | 4 | | Coigny / Borga / Alexander | Cool Racing | 23rd |
| 13.5.2018 | 4 h Monza | 5 | | Boguslavski / Chuklin / Pronenko | NEFIS by Speed Factory | 19th |
| 13.5.2018 | 4 h Monza | 6 | | Kaiser / Woodward | 360 Racing | 15th |
| 13.5.2018 | 4 h Monza | 7 | | Olsen / Noble / Kapadia | Ecurie Ecosse/Nielsen | 26th |
| 13.5.2018 | 4 h Monza | 9 | | Talkanitsa, Jr. / Talkanitsa / Jensen | AT Racing | DNF |
| 13.5.2018 | 4 h Monza | 11 | | Mondini / van Berlo | EuroInternational | 14th |
| 13.5.2018 | 4 h Monza | 12 | | Dromedari / Hanratty / Kvamme | EuroInternational | DNS |
| 13.5.2018 | 4 h Monza | 13 | #OR03-57 | Smiechowski / Hippe | Inter Europol Competition | 17th |
| 13.5.2018 | 4 h Monza | 14 | | Still / Scheuschner / Demarchi | Inter Europol Competition | 35th |
| 13.5.2018 | 4 h Monza | 15 | #OR03-43 | van Uitert / Garofall / Farano | RLR MSport | 27th |
| 13.5.2018 | 4 h Monza | 16 | #OR03-70 | Dracone / Baratto | BHK Motorsport | 28th |
| 13.5.2018 | 4 h Monza | 18 | | Bihel / Millara | M. Racing - YMR | DNF |
| 13.5.2018 | 4 h Monza | 20 | | Enqvist / Fontana / Blicharski | Racing for Poland | 33rd |
| 20.5.2018 | British LMP3 Brands Hatch | 1 | | Noble / Wells | Ecurie Ecosse/Nielsen Racing | 1st/1st |
| 20.5.2018 | British LMP3 Brands Hatch | 2 | | Grimes / Mowlem | Red River Sport | 2nd/2nd |
| 20.5.2018 | British LMP3 Brands Hatch | 96 | #OR03-64 | Butel / Paul | Speedworks Motorsport | 4th/DNS |
| 27.5.2018 | Chinese LMP3 Ningbo | 1 | | Xiaole / Wai | FS Sports | 9th |
| 27.5.2018 | Chinese LMP3 Ningbo | 3 | | Patterson / Cao | Eurasia | 4th |
| 27.5.2018 | 4 h Paul Ricard | 4 | | Coigny / Borga | Cool Racing | 11th |
| 27.5.2018 | Chinese LMP3 Ningbo | 5 | | Zimmermann / Macrow | Profi-Car Team S&D | 5th |
| 27.5.2018 | 4 h Paul Ricard | 5 | #OR03-06 | Abello / Fuster / van Oostrum | NEFIS By Speed Factory | DNF |
| 27.5.2018 | Chinese LMP3 Ningbo | 17 | | Waite / Ye Hongli | PTRS | 6th |
| 27.5.2018 | Chinese LMP3 Ningbo | 18 | | Polley | KCMG | 1st |
| 27.5.2018 | 4 h Paul Ricard | 18 | | Chartier / Fort / Beck | Graff | 21st |
| 27.5.2018 | 4 h Paul Ricard | 19 | | Klein / Mondolot / Zollinger | Cool Racing | 10th |
| 27.5.2018 | Chinese LMP3 Ningbo | 22 | | Tse / Oon | Eurasia | 10th |
| 27.5.2018 | 4 h Paul Ricard | 22 | #OR03-57 | Smiechowski / Frederiksson | Inter Europol Competition | 1st |
| 27.5.2018 | Chinese LMP3 Ningbo | 23 | | Hwang / Prette | Profi-Car Team S&D | 2nd |
| 27.5.2018 | Chinese LMP3 Ningbo | 25 | | Burdon / Simonsen | PTRS | 3rd |
| 27.5.2018 | 4 h Paul Ricard | 26 | | Wimmer / Kaiser / Bachler | Wimmer Werk Motorsport | 2nd |
| 27.5.2018 | 4 h Paul Ricard | 33 | | Scheuschner / Michel / Christodoulou | Inter Europol Competition | 6th |
| 27.5.2018 | 4 h Paul Ricard | 65 | | Khoo / Moore | Viper Niza Racing | 13th |
| 27.5.2018 | 4 h Paul Ricard | 69 | | Corbett / Jones | Monza Garage | 7th |
| 27.5.2018 | 4 h Paul Ricard | 77 | | Page / Sanjuan / Garcia | Graff | 15th |
| 27.5.2018 | 4 h Paul Ricard | 84 | | Ben Moussa / Aoki / Bailly | SRT 41 | 23rd |
| 27.5.2018 | 4 h Paul Ricard | 94 | | Caouette / Falchero / Blicharski | Team Virage | 12th |
| 27.5.2018 | Chinese LMP3 Ningbo | 95 | | Winslow / Sathienthirakul | Craft Bamboo | 7th |
| 27.5.2018 | 4 h Paul Ricard | 95 | | Enqvist / Rattenbury / Valenza | Team Virage | 8th |
| 27.5.2018 | Chinese LMP3 Ningbo | 96 | | Kumar / Lingxiao | Craft Bamboo | 8th |
| 27.5.2018 | 4 h Paul Ricard | 99 | | Costa / Carmes / Panepinto | N'Race | 5th |
| 3.6.2018 | British LMP3 Spa | 1 | | Noble / Wells | Ecurie Ecosse/Nielsen Racing | 1st/2nd |
| 3.6.2018 | British LMP3 Spa | 2 | | Grimes / Mowlem | Red River Sport | 2nd/4th |
| 3.6.2018 | British LMP3 Spa | 17 | | Christian Stubbe Olsen | Nielsen Racing | DNA |
| 3.6.2018 | British LMP3 Spa | 23 | | Rishover / Spence | 360 Racing | DNA |
| 3.6.2018 | British LMP3 Spa | 96 | #OR03-64 | Butel / Paul | Speedworks Motorsport | 3rd/DNF |
| 16.6.2018 | Road to Le Mans | 2 | #OR03-42 | Littlejohn / Wells | Ecurie Ecosse / Nielsen | DNF/33rd |
| 16.6.2018 | Road to Le Mans | 4 | #OR03-73 | Rondet / Schauerman | Brookspeed International | 32nd/28th |
| 16.6.2018 | Road to Le Mans | 5 | #OR03-06 | Boguslavski / Marateotto | NEFIS by Speed Factory | 11th/7th |
| 16.6.2018 | Road to Le Mans | 11 | #OR03-07 | Jensen / van Berlo | Eurointernational | 1st/6th |
| 16.6.2018 | Road to Le Mans | 12 | #OR03-03 | Dayson / Kvamme | Eurointernational | 30th/38th |
| 16.6.2018 | Road to Le Mans | 14 | #OR03-10 | van Uitert / Farano | RLR MSport | DNF/19th |
| 16.6.2018 | Road to Le Mans | 15 | #OR03-15 | Jönsson / Bennett | M. Racing - YMR | 41st/22nd |
| 16.6.2018 | Road to Le Mans | 17 | | Cencetti / Inglessis | RGP Motorsport | DNF/31st |
| 16.6.2018 | Road to Le Mans | 22 | #OR03-41 | Bell / McGuire | United Autosports | 44th/23rd |
| 16.6.2018 | Road to Le Mans | 23 | #OR03-44 | Meins / Lynn | United Autosports | 22nd/40th |
| 16.6.2018 | Road to Le Mans | 24 | #OR03-04 | Borga / Coigny | Cool Racing | 16th/11th |
| 16.6.2018 | Road to Le Mans | 27 | #OR03-86 | Klein / Vaglio | Cool Racing | 17th/16th |
| 16.6.2018 | Road to Le Mans | 32 | #OR03-58 | Braun / Husain | United Autosports | 13th/42nd |
| 16.6.2018 | Road to Le Mans | 33 | #OR03-94 | Rayhall / Falb | United Autosports | 2nd/2nd |
| 16.6.2018 | Road to Le Mans | 40 | #OR03-27 | Chila / Dannielou | Graff | 7th/5th |
| 16.6.2018 | Road to Le Mans | 44 | #OR03-21 | Sanchez / Fontes | SPV Racing | 31st/21st |
| 16.6.2018 | Road to Le Mans | 45 | #OR03-29 | Ellis / Cummings | SPV Racing | 18th/24th |
| 16.6.2018 | Road to Le Mans | 49 | #OR03-02 | Lok / Michaelian | Win Motorsport | 39th/39th |
| 16.6.2018 | Road to Le Mans | 55 | | Buncombe / Byrne | Spirit Of Race | DNS |
| 16.6.2018 | Road to Le Mans | 59 | #OR03-74 | Burdon / Wei | RLR MSport | DNF/26th |
| 16.6.2018 | Road to Le Mans | 74 | #OR03-64 | McClughan / Watzinger | Ecurie Ecosse / Nielsen | 33rd/18th |
| 16.6.2018 | Road to Le Mans | 75 | #OR03-98 | Grimes / Dunbar | Ecurie Ecosse / Nielsen | 42nd/30th |
| 16.6.2018 | Road to Le Mans | 76 | #OR03-51 | Kapadia / Olsen | Ecurie Ecosse / Nielsen | 8th/12th |
| 16.6.2018 | Road to Le Mans | 79 | #OR03-75 | Noble / McCaig | Ecurie Ecosse / Nielsen | 5th/DNF |
| 16.6.2018 | Road to Le Mans | 90 | #OR03-79 | Talkanitsa, Jr. / Talkanitsa | AT Racing | 37th/DNS |
| 16.6.2018 | Road to Le Mans | 98 | #OR03-83 | Lunardi / de Doncker | Motorsport98 | 15th/9th |
| 16.6.2018 | Road to Le Mans | 99 | #OR03-20 | Accary / Costa | N'Race | 38th/37th |
| 1.7.2018 | British LMP3 Snetterton | 1 | | Noble / Wells | Ecurie Ecosse/Nielsen Racing | 1st/1st |
| 1.7.2018 | British LMP3 Snetterton | 2 | | Grimes / Mowlem | Red River Sport | 4th/2nd |
| 1.7.2018 | 4 h Dijon | 22 | #OR03-57 | Smiechowski / Frederiksson | Inter Europol Competition | 2nd |
| 1.7.2018 | 4 h Dijon | 26 | | Wimmer / Kaiser / Bachler | Wimmer Werk Motorsport | 10th |
| 1.7.2018 | 4 h Dijon | 33 | | Scheuschner / Ludwig | Inter Europol Competition | 8th |
| 1.7.2018 | 4 h Dijon | 65 | | Khoo / Moore | Viper Niza Racing | 13th |
| 1.7.2018 | 4 h Dijon | 69 | | Corbett / Muston | Monza Garage | 14th |
| 1.7.2018 | 4 h Dijon | 77 | | Page / Sanjuan / Garcia | Graff | 11th |
| 1.7.2018 | 4 h Dijon | 84 | | Ben Moussa / Aoki / Bailly | SRT 41 | 17th |
| 1.7.2018 | 4 h Dijon | 94 | | Caouette / Valenza / Lappalainen | Team Virage | 3rd |
| 1.7.2018 | 4 h Dijon | 95 | | Enqvist / Rattenbury | Team Virage | 5th |
| 1.7.2018 | British LMP3 Snetterton | 96 | #OR03-64 | Butel / Paul | Speedworks Motorsport | 2nd/4th |
| 1.7.2018 | Benelux Zolder | 293 | | Bakker / Ibran | BE Motorsport | 6th/2nd |