A Formula One Grand Prix event spans an entire weekend, beginning with two free practices on Friday, and one free practice on Saturday. Third drivers are allowed to run on Fridays, but only two cars may be used per team. After these practice sessions, a qualifying session is held.
The format of this qualifying session has been through several iterations since 2003. Attempts were made to reinvigorate interest in the qualifying session by using a “one-shot” system in which each driver would take turns on an empty track to set their one and only time.
For the 2006 season a knockout qualifying system was introduced. The FIA revised the 2006 procedures starting with Round 11, the 2006 French Grand Prix.[7] In the first phase, all 22 cars are permitted on the track for a 15-minute qualification session. Only their fastest time will count and drivers may complete as many laps as they wish. In the original format, the clocks were stopped immediately at the end of the session, which meant that drivers on a timed lap did not have their time registered once the 15 minutes were up. From Round 11, any car running a timed lap at the time of the chequered flag is...