| 13.5.2018 | 4 h Monza | 2 | JS P3 | Rayhall / Falb | United Autosports | 18th |
| 13.5.2018 | 4 h Monza | 3 | JS P3 | Bell / Grist / Wells | United Autosports | 16th |
| 13.5.2018 | 4 h Monza | 4 | JS P3 | Coigny / Borga / Alexander | Cool Racing | 23rd |
| 13.5.2018 | 4 h Monza | 5 | JS P3 | Boguslavski / Chuklin / Pronenko | NEFIS by Speed Factory | 19th |
| 13.5.2018 | 4 h Monza | 6 | JS P3 | Kaiser / Woodward | 360 Racing | 15th |
| 13.5.2018 | 4 h Monza | 7 | JS P3 | Olsen / Noble / Kapadia | Ecurie Ecosse/Nielsen | 26th |
| 13.5.2018 | 4 h Monza | 9 | JS P3 | Talkanitsa, Jr. / Talkanitsa / Jensen | AT Racing | DNF |
| 13.5.2018 | 4 h Monza | 11 | JS P3 | Mondini / van Berlo | EuroInternational | 14th |
| 13.5.2018 | 4 h Monza | 12 | JS P3 | Dromedari / Hanratty / Kvamme | EuroInternational | DNS |
| 13.5.2018 | 4 h Monza | 14 | JS P3 | Still / Scheuschner / Demarchi | Inter Europol Competition | 35th |
| 13.5.2018 | 4 h Monza | 15 | JS P3 | van Uitert / Garofall / Farano | RLR MSport | 27th |
| 13.5.2018 | 4 h Monza | 16 | JS P3 | Dracone / Baratto | BHK Motorsport | 28th |
| 13.5.2018 | 4 h Monza | 18 | JS P3 | Bihel / Millara | M. Racing - YMR | DNF |
| 13.5.2018 | 4 h Monza | 20 | JS P3 | Enqvist / Fontana / Blicharski | Racing for Poland | 33rd |
| 13.5.2018 | 4 h Monza | 22 | JS P217 | Hanson / Albuquerque | United Autosports | 10th |
| 13.5.2018 | 4 h Monza | 23 | JS P217 | Buret / Stevens / Canal | Panis Barthez Competition | 7th |
| 13.5.2018 | 4 h Monza | 25 | JS P217 | Patterson / de Jong / Kim | Algarve Pro Racing | 13th |
| 13.5.2018 | 4 h Monza | 27 | JS P217 | Lafargue / Cavailhes / Maris | IDEC Sport | 12th |
| 13.5.2018 | 4 h Monza | 32 | JS P217 | de Sadeleer / Owen / Boyd | United Autosports | 11th |
| 20.5.2018 | British LMP3 Brands Hatch | 1 | JS P3 | Noble / Wells | Ecurie Ecosse/Nielsen Racing | 1st/1st |
| 20.5.2018 | British LMP3 Brands Hatch | 2 | JS P3 | Grimes / Mowlem | Red River Sport | 2nd/2nd |
| 20.5.2018 | British LMP3 Brands Hatch | 96 | JS P3 | Butel / Paul | Speedworks Motorsport | 4th/DNS |
| 27.5.2018 | Chinese LMP3 Ningbo | 1 | JS P3 | Xiaole / Wai | FS Sports | 9th |
| 27.5.2018 | Chinese LMP3 Ningbo | 3 | JS P3 | Patterson / Cao | Eurasia | 4th |
| 27.5.2018 | 4 h Paul Ricard | 4 | JS P3 | Coigny / Borga | Cool Racing | 11th |
| 27.5.2018 | Chinese LMP3 Ningbo | 5 | JS P3 | Zimmermann / Macrow | Profi-Car Team S&D | 5th |
| 27.5.2018 | 4 h Paul Ricard | 5 | JS P3 | Abello / Fuster / van Oostrum | NEFIS By Speed Factory | DNF |
| 27.5.2018 | Chinese LMP3 Ningbo | 17 | JS P3 | Waite / Ye Hongli | PTRS | 6th |
| 27.5.2018 | Chinese LMP3 Ningbo | 18 | JS P3 | Polley | KCMG | 1st |
| 27.5.2018 | 4 h Paul Ricard | 18 | JS P3 | Chartier / Fort / Beck | Graff | 21st |
| 27.5.2018 | 4 h Paul Ricard | 19 | JS P3 | Klein / Mondolot / Zollinger | Cool Racing | 10th |
| 27.5.2018 | 4 h Paul Ricard | 22 | JS P3 | Smiechowski / Frederiksson | Inter Europol Competition | 1st |
| 27.5.2018 | Chinese LMP3 Ningbo | 22 | JS P3 | Tse / Oon | Eurasia | 10th |
| 27.5.2018 | Chinese LMP3 Ningbo | 23 | JS P3 | Hwang / Prette | Profi-Car Team S&D | 2nd |
| 27.5.2018 | Chinese LMP3 Ningbo | 25 | JS P3 | Burdon / Simonsen | PTRS | 3rd |
| 27.5.2018 | 4 h Paul Ricard | 26 | JS P3 | Wimmer / Kaiser / Bachler | Wimmer Werk Motorsport | 2nd |
| 27.5.2018 | 4 h Paul Ricard | 33 | JS P3 | Scheuschner / Michel / Christodoulou | Inter Europol Competition | 6th |
| 27.5.2018 | 4 h Paul Ricard | 65 | JS P3 | Khoo / Moore | Viper Niza Racing | 13th |
| 27.5.2018 | 4 h Paul Ricard | 69 | JS P3 | Corbett / Jones | Monza Garage | 7th |
| 27.5.2018 | 4 h Paul Ricard | 77 | JS P3 | Page / Sanjuan / Garcia | Graff | 15th |
| 27.5.2018 | 4 h Paul Ricard | 84 | JS P3 | Ben Moussa / Aoki / Bailly | SRT 41 | 23rd |
| 27.5.2018 | 4 h Paul Ricard | 94 | JS P3 | Caouette / Falchero / Blicharski | Team Virage | 12th |
| 27.5.2018 | Chinese LMP3 Ningbo | 95 | JS P3 | Winslow / Sathienthirakul | Craft Bamboo | 7th |
| 27.5.2018 | 4 h Paul Ricard | 95 | JS P3 | Enqvist / Rattenbury / Valenza | Team Virage | 8th |
| 27.5.2018 | Chinese LMP3 Ningbo | 96 | JS P3 | Kumar / Lingxiao | Craft Bamboo | 8th |
| 27.5.2018 | 4 h Paul Ricard | 99 | JS P3 | Costa / Carmes / Panepinto | N'Race | 5th |
| 2.6.2018 | 100 min Detroit | 52 | JS P217 | Saavedra / Yacaman | AFS/PR1 Mathiasen Motorsports | 8th |
| 3.6.2018 | British LMP3 Spa | 1 | JS P3 | Noble / Wells | Ecurie Ecosse/Nielsen Racing | 1st/2nd |
| 3.6.2018 | British LMP3 Spa | 2 | JS P3 | Grimes / Mowlem | Red River Sport | 2nd/4th |
| 3.6.2018 | British LMP3 Spa | 17 | JS P3 | Christian Stubbe Olsen | Nielsen Racing | DNA |
| 3.6.2018 | Le Mans Test | 22 | JS P217 | Albuquerque / Hanson | United Autosports | 16th |
| 3.6.2018 | Le Mans Test | 23 | JS P217 | Stevens / Canal / Buret / Vautier | Panis Barthez Competition | 23rd |
| 3.6.2018 | British LMP3 Spa | 23 | JS P3 | Rishover / Spence | 360 Racing | DNA |
| 3.6.2018 | Le Mans Test | 25 | JS P217 | McMurry / Cullen / Patterson / Kim / de Jong | Algarve Pro Racing | 27th |
| 3.6.2018 | Le Mans Test | 32 | JS P217 | Montoya / Owen / de Sadeleer | United Autosports | 24th |
| 3.6.2018 | Le Mans Test | 33 | JS P217 | Boulle / Cheng / Nicolet | Jackie Chan DC Racing | 29th |
| 3.6.2018 | Le Mans Test | 34 | JS P217 | Taylor / Heinemeier Hansson / Ledogar | Jackie Chan DC Racing | 28th |
| 3.6.2018 | Le Mans Test | 44 | JS P217 | Jönsson / Bertolini / Krohn | Eurasia Motorsport | 25th |
| 3.6.2018 | Le Mans Test | 50 | JS P217 | Ricci / Creed / Dagoneau | Larbre Competition | 30th |
| 3.6.2018 | British LMP3 Spa | 96 | JS P3 | Butel / Paul | Speedworks Motorsport | 3rd/DNF |
| 16.6.2018 | Road to Le Mans | 2 | JS P3 | Littlejohn / Wells | Ecurie Ecosse / Nielsen | DNF/33rd |
| 16.6.2018 | Road to Le Mans | 4 | JS P3 | Rondet / Schauerman | Brookspeed International | 32nd/28th |
| 16.6.2018 | Road to Le Mans | 5 | JS P3 | Boguslavski / Marateotto | NEFIS by Speed Factory | 11th/7th |
| 16.6.2018 | Road to Le Mans | 11 | JS P3 | Jensen / van Berlo | Eurointernational | 1st/6th |
| 16.6.2018 | Road to Le Mans | 12 | JS P3 | Dayson / Kvamme | Eurointernational | 30th/38th |
| 16.6.2018 | Road to Le Mans | 14 | JS P3 | van Uitert / Farano | RLR MSport | DNF/19th |
| 16.6.2018 | Road to Le Mans | 15 | JS P3 | Jönsson / Bennett | M. Racing - YMR | 41st/22nd |
| 16.6.2018 | Road to Le Mans | 17 | JS P3 | Cencetti / Inglessis | RGP Motorsport | DNF/31st |
| 16.6.2018 | Road to Le Mans | 22 | JS P3 | Bell / McGuire | United Autosports | 44th/23rd |
| 16.6.2018 | Road to Le Mans | 23 | JS P3 | Meins / Lynn | United Autosports | 22nd/40th |
| 16.6.2018 | Road to Le Mans | 24 | JS P3 | Borga / Coigny | Cool Racing | 16th/11th |
| 16.6.2018 | Road to Le Mans | 27 | JS P3 | Klein / Vaglio | Cool Racing | 17th/16th |
| 16.6.2018 | Road to Le Mans | 32 | JS P3 | Braun / Husain | United Autosports | 13th/42nd |
| 16.6.2018 | Road to Le Mans | 33 | JS P3 | Rayhall / Falb | United Autosports | 2nd/2nd |
| 16.6.2018 | Road to Le Mans | 40 | JS P3 | Chila / Dannielou | Graff | 7th/5th |
| 16.6.2018 | Road to Le Mans | 44 | JS P3 | Sanchez / Fontes | SPV Racing | 31st/21st |
| 16.6.2018 | Road to Le Mans | 45 | JS P3 | Ellis / Cummings | SPV Racing | 18th/24th |
| 16.6.2018 | Road to Le Mans | 49 | JS P3 | Lok / Michaelian | Win Motorsport | 39th/39th |
| 16.6.2018 | Road to Le Mans | 55 | JS P3 | Buncombe / Byrne | Spirit Of Race | DNS |
| 16.6.2018 | Road to Le Mans | 59 | JS P3 | Burdon / Wei | RLR MSport | DNF/26th |
| 16.6.2018 | Road to Le Mans | 74 | JS P3 | McClughan / Watzinger | Ecurie Ecosse / Nielsen | 33rd/18th |
| 16.6.2018 | Road to Le Mans | 75 | JS P3 | Grimes / Dunbar | Ecurie Ecosse / Nielsen | 42nd/30th |
| 16.6.2018 | Road to Le Mans | 76 | JS P3 | Kapadia / Olsen | Ecurie Ecosse / Nielsen | 8th/12th |
| 16.6.2018 | Road to Le Mans | 79 | JS P3 | Noble / McCaig | Ecurie Ecosse / Nielsen | 5th/DNF |
| 16.6.2018 | Road to Le Mans | 90 | JS P3 | Talkanitsa, Jr. / Talkanitsa | AT Racing | 37th/DNS |
| 16.6.2018 | Road to Le Mans | 98 | JS P3 | Lunardi / de Doncker | Motorsport98 | 15th/9th |
| 16.6.2018 | Road to Le Mans | 99 | JS P3 | Accary / Costa | N'Race | 38th/37th |
| 17.6.2018 | 24 h Le Mans | 22 | JS P217 | Hanson / Albuquerque / di Resta | United Autosports | DNF |
| 17.6.2018 | 24 h Le Mans | 23 | JS P217 | Buret / Canal / Stevens | Panis Barthez Competition | 13th |
| 17.6.2018 | 24 h Le Mans | 25 | JS P217 | Patterson / de Jong / Kim | Algarve Pro Racing | DNF |
| 17.6.2018 | 24 h Le Mans | 27 | JS P217 | Patrice Lafargue | Idec Sport | DNA |
| 17.6.2018 | 24 h Le Mans | 32 | JS P217 | de Sadeleer / Owen / Montoya | United Autosports | 7th |
| 17.6.2018 | 24 h Le Mans | 33 | JS P217 | Cheng / Boulle / Nicolet | Jackie Chan DC Racing | 12th |
| 17.6.2018 | 24 h Le Mans | 34 | JS P217 | Taylor / Ledogar / Heinemeier Hansson | Jackie Chan DC Racing | DNF |
| 17.6.2018 | 24 h Le Mans | 43 | JS P217 | Miro Konôpka | ARC Bratislava | DNA |
| 17.6.2018 | 24 h Le Mans | 44 | JS P217 | Bertolini / Jönsson / Krohn | Eurasia Motorsport | DNF |
| 17.6.2018 | 24 h Le Mans | 50 | JS P217 | Creed / Ricci / Dagoneau | Larbre Competition | 32nd |
| 1.7.2018 | British LMP3 Snetterton | 2 | JS P3 | Grimes / Mowlem | Red River Sport | 4th/2nd |
| 1.7.2018 | 4 h Dijon | 69 | JS P3 | Corbett / Muston | Monza Garage | 14th |
| 1.7.2018 | Benelux Zolder | 293 | JS P3 | Bakker / Ibran | BE Motorsport | 6th/2nd |