2009 Formula One World Championship kept on the calendar, with the organisers of both events pulling out due to financial issues. The Abu Dhabi Grand Prix made its début appearance as the last round of the season, at the Hermann Tilke-designed Yas Marina Circuit. The race, starting at sunset, was Formula One's first day-night race. The first multi-team testing session took place at Circuit de Catalunya, Barcelona in November 2008, two weeks after the end of previous season. All teams, except Toyota, took part in the testing session where some teams tested their new aerodynamics package and slick tyres. The new look cars did not
Circuit of the Americas of Silverstone's Maggotts-Becketts-Chapel sequence, Hockenheim's arena bends, and a replica of Istanbul's Turn Eight. Other corners were loosely inspired by the Senna 'S' at Interlagos and the Österreichring's Sebring-Auspuffkurve. A feature of the circuit is a deliberate widening of corners, to encourage drivers to follow multiple racing lines. A similar feature was used at the Buddh International Circuit in India, where the circuit widens on the approach to certain corners. The circuit was one of only a handful on the Formula One 2012 calendar to be run counter-clockwise, the others being Marina Bay, the Korea International Circuit, Yas Marina, and