2018/2019 WORLD ENDURANCE CHAMPIONSHIP SUPER SEASON
| ROUND | CIRCUIT | DATE |
| Test | Prologue Monza | 5/6 April 2018 |
| 1 | 6 Hours of Spa-Francorchamps | 5 May 2018 |
| Test | Le Mans test weekend | 3 June 2018 |
| 2 | 24 Hours of Le Mans | 16/17 June 2018 |
| 3 | 6 Hours of Silverstone | 19 August 2018 |
| 4 | 6 Hours of Fuji | 21 October 2018 |
| 5 | 6 Hours of Shanghai | 18 November 2018 |
| 6 | 12 Hours of Sebring | 16/17 March 2019 |
| 7 | 6 Hours of Spa-Francorchamps | 4 May 2019 |
| 8 | 24 Hours of Le Mans | 15/16 June 2019 |
2018 IMSA WEATHER TECH RACING USA
| ROUND | CIRCUIT | DATE |
| Test | The Roar before the Rolex 24 Daytona | 5/7 January |
| 1 | Rolex 24 at Daytona Beach, Florida | 27/28 January |
| 2 | Mobil 1 12-Hours of Sebring, Florida | 17 March |
| 3 | Sports Car GP, Long Beach, California | 14 April |
| 4 | Mid-Ohio Sports Car Course | 6 May |
| 5 | Chevrolet Detroit Belle Isle GP | 2 June |
| 6 | Sahlen’s Six Hours of the Glen | 1 July |
| 7 | Canadian Tire Motorsport Park | 8 July |
| 8 | Northeast GP, Lime Rock Park | 21 July |
| 9 | Continental Tire Road Race Showcase, Road America | 5 August |
| 10 | Michelin GT Challenge, VIRginia International Raceway, Continental Tire Monterey GP, Mazda Raceway | 19 August |
| 11 | Laguna Seca, California | 9 September |
| 12 | Motul Petit Le Mans, Road Atlanta | 13 October |
*North American Endurance Cup
2018 ADAC GT MASTERS
| ROUND | CIRCUIT | DATE |
| 1 | Motorsport Arena Oschersleben (DE) | 13/15 April |
| 2 | Autodrom Most (CZ) | 27/29 April |
| 3 | Red Bull Ring (AUT) | 8/10 June |
| 4 | Nürburgring (DE) | 3/5 August |
| 5 | Circuit Zandvoort (NL) | 17/19 August |
| 6 | Sachsenring (DE) | 7/9 September |
| 7 | Hockenheimring (DE) | 21/23 September |
2018 PORSCHE SUPERCUP
| ROUND | CIRCUIT | DATE |
| TO BE ADVISED |
2018 CARRERA CUP GB
| ROUND | CIRCUIT | DATE |
| 1 + 2 | Brands Hatch (Indy) | 6/8 April |
| 3 + 4 | Donington Park | 26/29 April |
| 5 + 6 | Monza | 11/13 May |
| 7 + 8 | Oulton Park | 8/10 June |
| 9 + 10 | Snetterton | 27/29 July |
| 11 + 12 | Knockhill, Scotland | 24/26 August |
| 13 + 14 | Silverstone (Nat) | 14/16 September |
| 15 + 16 | Brands Hatch (GP) | 28/30 September |
2018 CARRERA CUP FRANCE
| CIRCUIT | DATE |
| Circuit Nevers Magny-Cours (FRA) | 20 March |
| Circuit de Spa-Francorchamps (FIA WEC) (BE) | 3/5 May |
| Circuit de Zandvoort (NL) | 19/21 May |
| Circuit de Dijon (FRA) | 13/15 July |
| Circuit Nevers Magny-Cours (FRA) | 7/9 September |
| Circuit de Barcelone (ESP) | 28/30 September |
| Circuit Paul Ricard (FRA) | 12/14 October |
2018 INTERNATIONAL GT CHALLENGE
| ROUND | CIRCUIT | DATE |
| 1 | Liqui-Moly Bathurst 12 Hour (AU) | 4 February |
| 2 | Total 24 Hours of Spa (BE) | 28/29 July |
| 3 | Suzuka 10 Hours (JP) | 26 August |
| 4 | Mazda Raceway California 8 Hours (USA) | 28 October |
2018 Gulf 12 Hours
| Event | Date |
| Gulf 12 Hours, Yas Marina Circuit, UAE | 15 Dec 2018 |
2018 PETER AUTO EVENTS
| Event | Date |
| Espiritu de Montjuïc, Barcelona (ESP) | 6/8 April |
| Tour Auto Optic 2000, Paris – Côte d’Azur (FRA) | 23/28 April |
| Spa-Classic (BEL) | 18/20 May |
| Grand Prix de l’Age d’Or, Circuit Dijon-Prenois (FRA) | 8/10 June |
| Le Mans Classic (FRA) | 6/8 July |
| Dix Mille Tours, Circuit Paul Ricard (FRA) | 31 Aug./2 Sept. |
| Rallye des Légendes (FRA) | 11/14 September |
| Imola Classic (IT) | 26/28 October |
2018 GOODWOOD EVENTS
| Event | Date |
| Festival of Speed | 12/15 July |
| Goodwood Revival | 7/9 September |
2018 LE MANS CLASSIC/SILVERSTONE CLASSIC & OTHERS
| Event | Date |
| Le Mans Classic | 6 – 8 July |
| Silverstone Classic | 20-22 July |
| Salon Privé, Blenheim Palace | 30 Aug-1 Sept |
| Blenheim Palace Classic and Supercar | 2 September |
2018 MASTERS ENDURANCE LEGENDS
| Round | Circuit | Date |
| Test | Brands Hatch Indy (UK) | 22 March ? |
| 1 | Motor Legend Festival, Imola (IT) | 20-22 April |
| 2 | Masters Historic Festival, Brands Hatch GP (UK) | 26/27 May |
| 3 | Silverstone Classic, Silverstone (UK) | 20-22 July |
| 4 | Oldtimer Grand Prix, Nürburgring (DE) | 10-12 August |
| 5 | Spa 6 Hours, (BE) | 14-16 September |
| 6 | Dijon Motors Cup (FRA) | 12-14 October |
2018 OTHER
| Event | Date |
| LUFTGEKÜHLT 5, Los Angeles County | 22 April |
| Porsche Club GB Festival, Brand Hatch | 2 September |
| 2018 Porsche Rennsport Reunion, Mazda Raceway Laguna Seca in Monterey, California | 27/30 September |
