2011 Formula One World Championship 2011 Formula One World Championship The 2011 FIA Formula One World Championship was the 65th season of FIA Formula One motor racing. The original calendar for the 2011 Formula One World Championship consisted of twenty rounds, including the inaugural running of the Indian Grand Prix before the cancellation of the Bahrain Grand Prix. Pirelli returned to the sport as tyre supplier for all teams, taking over from Bridgestone, marking their return to Formula One for the first time since the 1991 season. Red Bull Racing was the reigning Constructors' Champion. Red Bull Racing's Sebastian Vettel was the defending Drivers' Champion,
2011 Formula One World Championship to nineteen races with the postponement and later cancellation of the . The pre-season testing season began immediately after the 2010 Abu Dhabi Grand Prix with a three-day 'Young Driver Test' (for drivers with fewer than three Formula One race starts to their name) at the Yas Marina Circuit. Formula Renault 3.5 runner-up Daniel Ricciardo consistently set the fastest times over the three days, driving for new champions Red Bull Racing. The Young Driver Tests were followed by another testing session – also held at Yas Marina – for the teams to test the tyres developed by new tyre supplier