Formula One racing
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A Formula One race or Grand Prix is a sporting event which takes place over three days (usually Friday to Sunday), with a series of practice and qualifying sessions prior to a race on Sunday.
Current regulations provide for two free practice sessions on Friday, a practice session and a qualifying session on Saturday, and the race on Sunday, though the structure of the weekend has changed numerous times over the history of the sport.
Free practice sessions 
A Grand Prix weekend begins on a Friday morning, with two ninety-minute practice sessions used by drivers to learn the circuit and for the teams to determine the best settings for the particular track. This is followed by a third practice session on Saturday morning that is one hour in length. A third driver is permitted to take part in the Friday free practice sessions in the place of a regular driver. With testing in the middle of the season banned, many teams will nominate their third driver to take part in the first session
The Monaco Grand Prix traditionally begins on a Thursday, with Friday as a day of rest, while practice sessions for the Singapore and Abu Dhabi Grands Prix take place in the evening as these races are run at night.
Qualifying sessions 
Qualifying takes place on Saturday afternoon in a three-stage "knockout" system. One hour is dedicated to determining the grid order, divided into three periods with short intermissions between them. The first qualifying period is twenty minutes long, and sees all twenty-two cars on the circuit. At the end of twenty minutes, the six slowest drivers are eliminated, and they fill positions seventeen to twenty-two on the grid. Any driver attempting to set a qualifying time when the period ends is permitted to finish his lap, though no new laps may be started once the chequered flag is shown. After a short break, the second period begins, with sixteen cars on the circuit. At the end of the fifteen-minute period, the six slowest drivers are once again elminated, filling grid positions eleven to sixteen. Finally, the third qualifying period features the ten fastest drivers from the second period. The drivers have ten minutes to set a qualifying time, which will determine the top ten positions on the grid. The driver who sets the fastest qualifying time is said to be on pole position, the grid position that offers the best physical position to start the race from. During the three qualifying periods, the drivers may complete as many laps as they choose. However, the top ten drivers must start the race on the set of tyres they used for qualifying. These may only be changed if qualifying and the race are held under different weather conditions, or if a tyre is damaged as a result of an accident. The remaining twelve drivers are free to start the race with any tyres they choose.
Generally, a driver will leave the pits and drive around the track in order to get to the start/finish line (the out-lap). Having crossed the line, they will attempt to achieve the quickest time around the circuit that they can in one or more laps (the flying lap or hot lap). This is the lap time which is used in calculating grid position. Finally, the driver will continue back around the track and re-enter the pit-lane (the in-lap). However, this is merely strategy, and no teams are obligated by the rules to follow this formula.
As of 2013 only eleven teams are entered for the Formula One World Championship, each entering two cars for a total of twenty-two cars. The regulations place a limit of twenty-six entries for the championship. At some periods in the history of Formula One the number of cars entered for each race has exceeded the number permitted, which historically would vary from race to race according to the circuit used. Monaco, for example, for many years allowed only twenty cars to compete because of the restricted space available. The slowest cars excess to the circuit limit would not qualify for the race and would be list as 'Did Not Qualify' (DNQ) in race results.
In the late 1980s and early 1990s the number of cars attempting to enter each race was as high as thirty-nine for some races. Because of the dangers of having so many cars on the track at the same time, a pre-qualifying session was introduced for the teams with the worst record over the previous six months, including any new teams. Only the four fastest cars from this session were then allowed into the qualifying session proper, where thirty cars competed for twenty-six places on the starting grid for the race. The slowest cars from the pre-qualifying session were listed in race results as 'Did Not Pre-Qualify' (DNPQ). Pre-qualifying was discontinued after 1992 when many small teams withdrew from the sport.
107% rule 
As the number of cars entered in the world championship fell below twenty-six, a situation arose in which any car entered would automatically qualify for the race, no matter how slowly it had been driven. The 107% rule was introduced in 1996 to prevent completely uncompetitive cars being entered in the championship. If a car's qualifying time was not within 107% of the pole sitter's time, that car would not qualify for the race, unless at the discretion of the race stewards for a situation such as a rain affected qualifying session. For example, if the pole-sitter's time was one minute and forty seconds, then all cars must set a time within one minute and forty-seven seconds.
The 107% rule was removed since the FIA's rules indicated previously that 24 cars can take the start of a Formula One race, and a minimum of twenty cars must enter a race. In 2003, the qualifying procedure changed to a single-lap system, rendering the rule inoperable. However, there were concerns about the pace of the new teams in the 2010 season. As the qualifying procedure had been changed since the 2006 season to a three-part knockout system, the rule could now be reintroduced. As such, the 107% rule has been reintroduced for the 2011 F1 season. Currently, cars have to be within 107% of the fastest Q1 time in order to qualify for the race.
- See Formula One regulations for detailed information on the race start procedure.
The race itself is held on Sunday afternoon. Thirty minutes prior to race time, the cars take to the track for any number of warm-up laps, after which the cars are assembled on the starting grid in the order they qualified. At the hour of the race, a green light signifies the beginning of the relatively slow formation lap during which all cars parade around the course doing a final tire warmup and system checks. The cars then return to their assigned grid spot for the standing race start. The starting light system, which consists of five pairs of lights mounted above the start/finish line, then lights up each pair at one-second intervals. Once all five pairs are illuminated, after a random length of time (one to nine seconds), the red lights are turned off by the race director, at which point the race starts. The race length is defined as the smallest number of complete laps that exceeds 305 kilometers (the Monaco Grand Prix is the sole exception with a race length of 78 laps / 260.5 km), though occasionally some races are truncated due to special circumstances. The race can not exceed two hours in length; if this interval is reached the race will be ended at the end of that lap.
Teams are supplied by the sole tyre supplier (currently Pirelli which replaced Bridgestone in 2011), and receive two different types of slick dry tyre compounds: "Prime" tyres (offiically the Hard or Medium compounds), and "Option" tyres (Soft and Super-soft compounds). The Prime tyres are more durable than the Option tyres, however the Option tyres produce faster lap times than the Prime tyres (the Option tyres are said to be one second per lap quicker than the Prime tyres, though this figure varies between circuits). While the drivers who qualified between first and tenth are required to use the tyres they qualified with to start the race; the other drivers have freedom over which tyres they can start with, which can give those who qualified in eleventh and twelfth place a slight advantage over those placed ninth and tenth in the race. Each driver is also required to use both types of dry compound during a dry race, and so must make a mandatory pit-stop.
Drivers used to make pitstops for fuel more than once during a race though refuelling during the race has been banned for the 2010 season. The cars, on average, get around two kilometres per litre (approximately five miles per gallon). Timing pitstops with reference to other cars is crucial - if they are following another car but are unable to pass, the driver may try to stay on the track as long as possible, as usually a car with worn tyres and low fuel load is faster than a car with new tyres and heavy fuel load.
At the end of the race, the first-, second-, and third-placed drivers take their places on a podium, where they stand as the national anthem of the race winner's home country and that of his team is played. Dignitaries from the country hosting the race then present trophies to the drivers and a constructor's trophy to a representative from the winner's team, and the winning drivers spray each other and the fans with champagne. The three drivers then go to a media room for a press conference where they answer questions in English and their native languages.
Points system 
Points are awarded to drivers and teams exclusively on where they finish in a race. The winner receives 25 points, the second place finisher 18 points, with 15, 12, 10, 8, 6, 4, 2 and 1 points for positions 3 through 10. If a race has to be abandoned before 75% of the planned distance has been completed all points are halved. In a dead heat, prizes and points are added together and shared equally for all those drivers who tie. The winner of the annual championship is the driver (or team, for the Constructors' Championship) with the most points. If the number of points is the same, priority is given to the driver with more wins. If that is the same it will be decided on the most second places and so on.
Historically, the races were scored on the basis of a five-place tally: i.e. via an 8-6-4-3-2 scoring system, with the holder of the fastest race lap also receiving a bonus point. In 1961, the scoring was revised to give the winner nine points instead of eight, and the single point awarded for fastest lap was given for sixth place for the first time the previous year.
In 1991, the points system was again revised to give the victor 10 points, with all other scorers recording the same 6-4-3-2-1 result. This was thought to have been something of a knee-jerk reaction to the spate of drivers who had won the championship despite scoring fewer victories than their nearest challenger.
In 2003, the FIA again revised the scoring system to apportion points to the first eight classified finishers (a classified finisher must complete 90% of race distance) on a 10-8-6-5-4-3-2-1 basis. The winner of the world championship is the driver who accumulates the most points throughout the course of the season.
At certain periods in F1's history, the world champion has been determined by virtue of the "best 7 scores" in each "half" of the world championship, meaning that drivers have had to "discard" lower scores in either half of the season. This was done in order to equalise the footings of teams which may not have had the wherewithal to compete in all events. With the advent of the Concorde Agreements, this practice has been discontinued, though it did feature prominently in several world championships through the 1970s and 1980s.
The change in the awarding of world championship points has rendered the comparison of historical teams and drivers to current ones largely ineffective. For instance, Michael Schumacher is widely credited with being the most successful GP driver of all time. While his statistics are very impressive and easily outstrip those of his nearest competitor, it is worth noting that his points tally vs points available, and winning percentage of grands prix entered, do not significantly exceed those of Juan Manuel Fangio, whom he recently dethroned as winner of the most World Championships. As with most other sports, it is very difficult to compare stars of different eras owing to the changes in the sport and regulations.
Worldwide appeal 
Despite having the highest budget in all of auto racing, Formula One racing has often been accused of being unexciting when compared to less expensive categories. The differences in driver ability are usually dwarfed when compared to the relative speed of the different makes of cars, and on-track overtaking is very rare due to the aerodynamics of trailing cars being adversely affected by the car in front (making overtaking only possible by very risky and thus rarely taken chances, or a much faster car trailing a slower one). So, beginning in the 2011 season F1 adopted 2 new innovations to help with passing/overtaking and to bring a little more excitement to the races. These innovations are "DRS" and the "KERS" systems. The DRS (Drag Reduction System) allows for one of the horizontal fins/blade on the rear spoiler to be "lifted" open which reduces the downforce and increases the race car speed. This system is only operable on straightaways where rear downforce is not as important. The system cannot be activated unless the driver is within (1) second or less behind the car he is trying to pass. The DRS zones on each track are set by the F1 governing body. And although the system on is controlled by computers and timers, the driver has to activate it by pushing a button on the steering wheel when he wants to use it. The "KERS" (kinetic energy recovery system) grabs and stores the energy usually lost during braking (which has always been wasted) and stores the energy into the batteries. Again, when allowed and the driver wants to use this system it is a matter of pushing a button and the engine gets another 60-80 horse power for a short time. The system will deplete/discharge this stored energy quickly and the driver has to wait until it gets charged back up. Also the use of electronic driver aids such as semi-automatic gearboxes and traction control has been widely criticized by F1 fans around the globe. Traction control was banned in the 2008 Formula One season.
The sport is lesser-known in the United States than the NASCAR Sprint Cup Series or their mostly domestic open-wheel racing series, the IndyCar Series, but in terms of budgets and global TV audiences F1 is bigger than both combined.
- "Press Release". fia.com. Fédération Internationale de l'Automobile. 2010-06-23. Retrieved 2010-06-23.