2005 Formula One season

Notes

• Anthony Davidson (BAR) raced in Malaysia for an ill Takuma Sato (fever, flu).
• Pedro de la Rosa (McLaren) raced in Bahrain for an injured Juan Pablo Montoya (non-racing shoulder injury); Alexander Wurz was third driver in place of de la Rosa. For the 2005 San Marino Grand Prix, de la Rosa and Wurz swapped roles.
• Vitantonio Liuzzi and Christian Klien are both contracted to Red Bull Racing to participate in at least three races, and have agreed to share their race seat for the season. Klien drove in the first three races; Liuzzi replaced him for the San Marino, Spanish, Monaco, and European Grands Prix; Klien returned again for the Canadian GP, and completed the remainder of the races for the season.
• Robert Doornbos was Jordan third driver for 9 of the first 11 races of the season. Franck Montagny replaced him at the European Grand Prix, Jordan were banned from using a third car at the Canadian Grand Prix after using too many tyres at the previous race. Nicolas Kiesa replaced Doornbos for the German Grand Prix onwards.
• Patrick Friesacher was replaced at Minardi by Robert Doornbos for the 2005 German Grand Prix and beyond due to sponsorship issues.
• No Michelin-shod teams participated in the U.S. Grand Prix for safety reasons, leaving just six cars on the grid at the start of the race.
• Chanoch Nissany became Minardi third driver for the Hungarian Grand Prix.
• Enrico Toccacelo replaced Chanoch Nissany as Minardi third driver for the Turkish Grand Prix.
• Antonio Pizzonia replaced Nick Heidfeld at Williams for the Italian Grand Prix after Heidfeld decided to withdraw after complaining of a severe headache. Earlier in the week, he crashed heavily during a test session at Monza. Pizzonia replaced Heidfeld again for the Belgian and Brazilian Grands Prix after Heidfeld had a motorcycle accident.