2005 Le Mans Endurance Series
The 2005 Le Mans Endurance Series was the second season of ACO's Le Mans Endurance Series. It is a series for Le Mans prototype and Grand Touring style cars broken into 4 classes: LMP1, LMP2, GT1, and GT2. It began on 17 April 2005 and ended on 13 November 2005 after 5 rounds.
Schedule
| Rnd | Race | Circuit | Date |
| - |  LMES Official Test | Paul Ricard HTTT | 1 April 2 April |
| 1 |  1000km of Spa | Circuit de Spa-Francorchamps | 17 April |
| 2 |  1000km of Monza | Autodromo Nazionale di Monza | 10 July |
| 3 |  1000km of Silverstone | Silverstone Circuit | 13 August |
| 4 |  1000km of Nürburgring | Nürburgring | 4 September |
| 5 |  1000 km of Istanbul | Istanbul Racing Circuit | 13 November |
Season results
Overall winner in bold.| Rnd | Circuit | LMP1 Winning Team | LMP2 Winning Team | GT1 Winning Team | GT2 Winning Team | Results |
| Rnd | Circuit | LMP1 Winning Drivers | LMP2 Winning Drivers | GT1 Winning Drivers | GT2 Winning Drivers | Results |
| 1 | Spa | #15 Zytek Motorsport | #39 Chamberlain-Synergy | #52 BMS Scuderia Italia | #81 Team LNT | Results |
| 1 | Spa |  Hayanari Shimoda Casper Elgaard John Nielsen | Bob Berridge Peter Owen Gareth Evans | Fabrizio Gollin Matteo Cressoni Miguel Ramos | Jonny Kane Warren Hughes | Results |
| 2 | Monza | #17 Pescarolo Sport | #36 Paul Belmondo Racing | #51 BMS Scuderia Italia | #90 Sebah Automotive | Results |
| 2 | Monza | Emmanuel Collard Jean-Christophe Boullion |  Karim Ojjeh Claude-Yves Gosselin Vincent Vosse | Christian Pescatori Michele Bartyan Toni Seiler | Marc Lieb Xavier Pompidou | Results |
| 3 | Silverstone | #4 Audi Team Oreca | #36 Paul Belmondo Racing |  #67 MenX | #90 Sebah Automotive | Results |
| 3 | Silverstone |  Stéphane Ortelli Allan McNish | Karim Ojjeh Claude-Yves Gosselin Vincent Vosse | Robert Pergl Jaroslav Janiš Peter Kox | Marc Lieb Xavier Pompidou | Results |
| 4 | Nürburgring | #15 Zytek Motorsport | #27 Horag-Lista Racing |  #62 Convers Team | #90 Sebah Automotive | Results |
| 4 | Nürburgring | Hayanari Shimoda Tom Chilton | Didier Theys Eric van de Poele | Darren Turner Robert Bell | Marc Lieb Xavier Pompidou | Results |
| 5 | Istanbul | #17 Pescarolo Sport | #25 RML | #51 BMS Scuderia Italia | #93 Scuderia Ecosse | Results |
| 5 | Istanbul | Jean-Christophe Boullion Emmanuel Collard | Mike Newton Thomas Erdos | Christian Pescatori Michele Barytan Toni Seiler | Andrew Kirkaldy Nathan Kinch | Results |