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TheSprint Showdown andSprint All-Star Race XXIV were run on Saturday, May 17, 2008, atLowe's Motor Speedway inConcord, North Carolina, a suburb outside ofCharlotte. The events were telecast live at 7 pmUS EDT onSpeed Channel with radio broadcast onMRN Radio andSirius Satellite Radio beginning at 6:15 pm US EDT.

The All-Star Race is an annual race that involves winners of the entire2007 and2008 NASCAR Sprint Cup Series races (known as the Nextel Cup Series in 2007) through theDodge Challenger 500, either as a driver or team owner, and also includes past championship drivers of the Winston/Nextel Cup series from 1998 through 2007, as well as winning drivers from 2000 to 2007, known through this period as either "The Winston" or the "Nextel All-Star Challenge".^[1]

NOTE:Only the driver's first accomplishment is listed, as most of those drivers listed have attained more than one of the previously mentioned accomplishments to qualify. All former All-Star Race winners are referenced by the current use of the Roman Numeral designation. For example, Ryan Newman won All-Star Race XVIII, but he also won the2008 Daytona 500. Sprint Cup champions of the past ten years, winners of Sprint All-Star Races XIV through XXIII, and all race winners (driver and owner) from the 2007 Daytona 500 through the 2008 Dodge Challenger 500 have exemptions into the race, as will the top two finishing drivers in the Sprint Showdown as well as the fan vote winner from said Showdown.

The following drivers were eligible:^[2]

+ – Dale Jarrett is retiring after the2008 Food City 500 marking his final driving appearance.

§ – Dale Earnhardt Jr. is eligible as a past All-Star Race winner as a driver, while the No. 8 team is also eligible as Mark Martin, a past All-Star Race winner, is scheduled to drive in this race.

± – Kyle Busch and Casey Mears are eligible as both won races in 2007 for different teams. Kyle Busch won the 2007 Food City 500 as the driver of the No. 5 team, while Mears won the 2007 Coca-Cola 600 with the No. 25 team (now the No. 88 team). Kyle Busch's No. 18 team won the2008 Kobalt Tools 500 and2008 Aaron's 499 and is eligible for the 2009 race as well.

≠ –Sprint All-Star Race XXIII Champion.

The teams that have not qualified for the All-Star Race were in a 40-lap race divided into two "halves" (two 20-lap segments) with a five-lap break to allow for teams to have the option to make a pit stop. The top two drivers from this race, along with a fan ballot that selected the third (from the internet, Sprint cellular phone subscribers, Sprint retail locations, and on-site fan voting up to that night) among those on the lead lap and in the Top 50 in driver points will qualify for the main event. The cell phone votes counted double those of the other methods. Qualifying was the standard NASCAR two-lap event, with the fastest lap counting, andElliott Sadler winning said pole. However, during the first segment, Sadler was knocked out of the race whenA. J. Allmendinger bumped him high into the Turn Two wall, and Allmendinger andSam Hornish Jr. automatically qualified, whileKasey Kahne won the fan vote.

The race format of four "quarters" (like football or professional basketball) was slightly modified this season. In Sprint All-Star Race XXIII, the quarters were each 20 laps. This year, as announced at NASCAR's Media Tour, five laps were added to each segment to have a total of 100 laps (or four 25-lap quarters) in the race. The remainder of the race format, adopted last year, was unchanged. The qualifying for this race is a three-lap cumulative timed event with a mandatory four-tire pit stop arriving at the pit road speed of 45 MPH but leaving as full throttle after either the first or second qualifying lap.Kyle Busch took advantage of numerous miscues by others (including penalties for speed violations or loose lug nuts) to win the pole position. Kahne became the first to qualify from the fan vote to win, only taking a splash of gas to dominate the final quarter which, along with the rest of the race, went caution free.

* - Finished top two in the Showdown

** - Fan vote winner

• The traditional skills challenge for the pit crews, theNASCAR Sprint Cup Series Pit Crew Challenge presented byCraftsman, was held on Thursday night, May 15 atTime Warner Cable Arena. This annual skills challenge again awarded prizes to top teams and individuals for the best demonstration ofpit stop skills, including the main competition, asingle-elimination tournament. TheTeam Red Bull crew ofBrian Vickers' No.83 car won the event; however, since they had not won a race in the period prior to the All-Star main event,Joe Gibbs Racing's No.11Denny Hamlin team got the first pick of the pit box to use on pit road for the All-Star Race as they were the runner-up and had won a race. Vickers failed to even make the main event, finishing fourth in the Showdown.
• A new skills challenge took place just before the green flag of the Sprint Showdown. In thePennzoil Victory Challenge, five drivers simulated a burnout as if they had just won a race. The winner was determined by the fastest time traveling from the start-finish line to victory lane, deducting penalties. Drivers were in identically prepared cars supplied by the Richard Petty Driving Experience.Greg Biffle won $10,000, to be donated to his self-named foundation charity. The event lineup also included Clint Bowyer, Jimmie Johnson, Kevin Harvick, and Kyle Busch.^[3][4]

During the Sprint Showdown, Sprint Cup Series rookie and three-timeIndyCar Series championSam Hornish Jr. had a weird rear-end suspension setup. The setup had the rear end housing angled. This made the car look like it was drifting or crab walking but also made the car a lot more faster than the others as the car had air to hit the right side of the car, generate side force, improve grip in the turns, and allow a looser setup. Even after he finished 2nd behind fellow open-wheel competitorA. J. Allmendinger in the Showdown, Hornish continued using the setup for the All-Star race. After the All-Star race, NASCAR banned the setup as it showed as an advantage and it was never seen again.^[5][6]

• 2008 in sports in North Carolina
• 2008 NASCAR Sprint Cup Series
• NASCAR races at Charlotte Motor Speedway
• NASCAR All-Star Race

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