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Daytona 500 pole position winners for the NASCAR Sprint Cup Series's Daytona 500 are rewarded with being the driver to lead the field across the start line at the beginning of the 200-lap race. Pole qualifying for the Daytona 500 is held one weekend before the race at the Daytona International Speedway. The driver to complete the fastest single lap in the final of three rounds in the knockout qualifying session around the high-banked tri-oval superspeedway earns the pole position. The first Daytona 500 was held in 1959 and in 1982, it became the opening event for the NASCAR Cup season. The term "pole position" was originally coined in the American horse racing industry, and indicated the position of the starter being next to the "poles", which established the boundaries of the course. The two drivers who complete a lap with the fastest time are awarded the first and second starting positions for the Daytona 500. An additional 33 to 35 entrants are determined by a combination of the results of two qualifying races and the position of the team in the previous season's point rankings. The remainder of the 43 car field consists of drivers who meet certain qualifications, such as qualifying speed or being one of the previous NASCAR champions.〔 Bill Elliott set the pole position qualifying record on February 9, 1987 when he navigated around the circuit with a 42.782-second lap, which is an average speed of .〔(【引用サイトリンク】title= Daytona Beach; Daytona International Speedway )〕 Since 1988, NASCAR has required teams to install a restrictor plate between the throttle body and the engine. This rule was enacted as an effort to slow the cars speed in response to an accident in which fans suffered minor injuries when Bobby Allison's car blew a tire and crashed at over during a race at Talladega Superspeedway in 1987. Depending upon the sponsor, era, or a specific year, the qualifying races have been referred to as the "Duels" or the "Twins". ==Procedure== The qualifying session for pole position is held before the Daytona 500. Drivers take one timed lap to determine their time. The fastest qualifier takes the pole position for the Daytona 500 and starts on the inside of the first row; the second fastest starts alongside him on the outside, referred to as the "outside pole."〔 Both front row starters are locked into these starting positions.〔 The 2015 race used the standard knockout qualifying system. Up to the 2014 race, drivers took two timed laps, and the better of the two timed laps was the driver's lap for purposes of Daytona 500 qualifying. Until 2001, NASCAR offered a second (and at times, a third) round of qualifying for teams who wished to improve their qualifying times. Drivers and teams decided if they were content with their first attempt, and "stood on their time", or if they wanted to improve their chances by attempting a "second-round qualifying" attempt. If satisfied with the original attempt, the team was required to notify NASCAR within five minutes of the final practice sessions, and before the beginning of the "second-round qualifying" attempts. Drivers who made second-round attempts started behind first-round only drivers; however, the qualifying times were crucial, since it determined a driver's fall back time should he fail to finish in the top 14 of the qualifying races. The strategy was usually done by drivers whose times would not make the race or be on the bubble. The second round of qualifying ended in 2001. The two fastest drivers in the final qualifying session (the Daytona 500 pole winner and the "outside" pole winner) only are also awarded the pole positions for the two qualifying races held the following Thursday. Drivers are ranked by the furthest number of rounds advanced in qualifying, and then their qualifying time in the final round that they reached. Those who rank with an odd-numbered position are assigned to the first qualifying race, and those with an even-numbered rank to the second race. Cars in the final round of qualifying start the race in the front. The starting spots for the third through 32nd positions are determined by the drivers' finishing position in the qualifying races, with only the top 15 drivers' results, excluding the pole sitter in each race, advancing to the feature. Since 2005, each of the two qualifying races is long, or 60 laps. From its inception in 1959 until 1967, it was 40 laps, and from 1969 to 2004 it was 50 laps. After the races, the top four drivers in speed of those that failed to advance through the qualifying race are positioned in positions 33-36. The speeds used for this does not reflect their official qualifying times; regardless of which qualifying round they reached, their time used is the fastest time set in any round (first, second, or third), and does not reflect their starting position in the Duels. Positions 37-42 will go to the top six teams (not drivers) in points from the previous year's owners (team) points standings of teams not already qualified, again with their positions based on speed, again based on the fastest time in any round, not in the final round that they reached. The final starting position in the Daytona 500 (43rd overall) is reserved by NASCAR to allow one former NASCAR champion to start the race under the "champion's provisional" rule. Also known as the "Petty Rule", this rule was established in 1989 when NASCAR's winningest driver (Richard Petty) failed to qualify for an event at Richmond International Raceway. If the Champion's Provisional is not necessary, the seventh-highest team in the previous year's points advances, and positions 37-43 are positioned based on speed from their fastest round of qualifying. From 2005 until 2012, NASCAR adopted an "All Exempt Tour" format similar to golf. The teams in the top 35 of owner points during the previous season would be eligible to run in the Daytona 500, regardless of qualifying speed. The qualifying races now determine the relative starting position for these 35 drivers plus the starting positions for an additional seven to eight teams. The top 35 drivers, plus two non-top 35 drivers from each qualifier, start in the first 39 positions of the 500.〔 The 40th, 41st, and 42nd starting positions are given to the fastest three non-exempt cars based on qualifying speed, which have not already qualified.〔 The 43rd starting position is awarded to the most recent previous NASCAR champion who attempted to qualify; it is given to the fastest car that hadn't qualified if all previous champions qualified into the field.〔 In 2008, the qualifying competition became known as the "Coors Light Pole" when Coors replaced Budweiser as the primary sponsor. Budweiser's parent company, Anheuser Busch Corporation, had been sponsoring the race since 1979.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of Daytona 500 pole position winners」の詳細全文を読む スポンサード リンク
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