2005 Italian Grand Prix in third on 86 and Toyota fourth on 78. There were no retirements during the race, a feat that had not been achieved in Formula One with a full field since the 1961 Dutch Grand Prix, and would not be achieved again until the 2011 European Grand Prix. The 2005 United States Grand Prix is also considered to have had no retirements; however, only six cars started due to problems with the supply of Michelin tyres, which led to the mass withdrawal of all teams running on those tyres due to safety issues. Pizzonia replaced Nick Heidfeld for the rest
2005–06 A1 Grand Prix season countries. Each race ran over a three-day weekend, including a practice session on each of Friday and Saturday before a qualifying session on Saturday, and then two races on Sunday. The Indonesian Round had originally been scheduled to be held on 15 January 2006, but was postponed due to the death of Sheikh Maktoum bin Rashid Al Maktoum. The replacement date was set as 12 February 2006 (originally scheduled for the cancelled Curitiba race), resulting in effectively switching order with the South African round. 2005–06 A1 Grand Prix season The 2005–06 A1 Grand Prix season was the inaugural season for