The 2005 Champ Car World Series consisted of 13 races, held at 7 circuits across the United States of America, 3 in Canada, 2 in Mexico and 1 in Australia. Sébastien Bourdais won the Drivers’ Championship.
2005 Races
| Round | Date | Circuit | Track Type | Winner | Car/Engine |
|---|---|---|---|---|---|
| 1 | 10 April 2005 | Streets of Long Beach | Street Course | Sébastien Bourdais | Lola/Ford-Cosworth |
| 2 | 22 May 2005 | Parque Fundidora | Road Course | Bruno Junqueira | Lola/Ford-Cosworth |
| 3 | 4 June 2005 | The Milwaukee Mile | Oval | Paul Tracy | Lola/Ford-Cosworth |
| 4 | 19 June 2005 | Portland International Raceway | Road Course | Cristiano da Matta | Lola/Ford-Cosworth |
| 5 | 26 June 2005 | Burke Lakefront Airport | Road Course | Paul Tracy | Lola/Ford-Cosworth |
| 6 | 10 July 2005 | Streets of Toronto | Street Course | Justin Wilson | Lola/Ford-Cosworth |
| 7 | 17 July 2005 | Edmonton City Centre Airport | Road Course | Sébastien Bourdais | Lola/Ford-Cosworth |
| 8 | 31 July 2005 | Streets of San Jose | Road Course | Sébastien Bourdais | Lola/Ford-Cosworth |
| 9 | 14 August 2005 | Streets of Denver | Road Course | Sébastien Bourdais | Lola/Ford-Cosworth |
| 10 | 28 August 2005 | Circuit Gilles Villeneuve | Road Course | Oriol Servia | Lola/Ford-Cosworth |
| 11 | 24 September 2005 | Las Vegas Motor Speedway | Oval | Sébastien Bourdais | Lola/Ford-Cosworth |
| 12 | 23 October 2005 | Streets of Surfer's Paradise | Street Course | Sébastien Bourdais | Lola/Ford-Cosworth |
| 13 | 6 November 2005 | Autodromo Hermanos Rodriguez | Road Course | Justin Wilson | Lola/Ford-Cosworth |