What: Sylvania 300
When/where: Today, practice (Speed, noon), qualifying (ESPN2, 3 p.m.); Saturday, practice (Speed, 9 a.m.), practice (ESPN2, 6:45 p.m.); Sunday, race (Ch. 28, 2 p.m.); Loudon, N.H.
Fast facts: Mark Martin leads the 12-driver Chase field, including 40 bonus points for his four victories. ... Jimmie Johnson has a series-high 14 victories in 50 Chase starts. Carl Edwards and Greg Biffle are tied for second with six Chase wins. ... Texas Motor Speedway president Eddie Gossage says his cancer is in "complete remission" and that he's feeling better than ever. Gossage, 50, hasn't disclosed the type of cancer he has, which was diagnosed in the fall.
Points leaders: 1. Martin, 5,040; 2. Tony Stewart, 5,030; 3. Johnson, 5,030; 4. Denny Hamlin, 5,020; 5. Kasey Kahne, 5,020; 6. Jeff Gordon, 5,010; 7. Kurt Busch, 5,010; 8. Brian Vickers, 5,010; 9. Edwards, 5,000; 10. Ryan Newman, 5,000; 11. Juan Montoya, 5,000; 12. Biffle, 5,000
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What: Heluva Good 200
When/where: Today, practice; Saturday, qualifying (Speed, 10 a.m.), race (Speed, 3 p.m.); Loudon, N.H.
Fast facts: Kyle Busch, who has missed the past two races, is trying to win his third straight series start.
Points leaders: 1. Ron Hornaday, 2,875; 2. Matt Crafton, 2,678; 3. Mike Skinner, 2,662; 4. Brian Scott, 2,457; 5. Todd Bodine, 2,389
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What: Indy Japan 300
When/where: Today, practice, qualifying (Versus, 6 p.m.); race (Versus, 10:30 p.m.); Motegi, Japan
Fast facts: Danica Patrick became the first female winner in IndyCar history at this track last year. ... Scott Dixon and Dario Franchitti share the series victory lead with four.
Points leaders: 1. Ryan Briscoe, 550; 2. Franchitti, 525; 3. Dixon, 517; 4. Helio Castroneves, 383; 5. Danica Patrick, 353
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When/where: Today, qualifying; Saturday, qualifying (ESPN2, 11:30 p.m.); Sunday, final eliminations (ESPN2, 7 p.m.); Concord, N.C.
Fast facts:The top 10 drivers in each category after the 18-event regular season advanced to the six-race playoffs. Under the reset points, the leaders were given a 30-point advantage over the second-place drivers. The others were reset in 10-point increments.
Points leaders: Top Fuel - 1. Antron Brown, 2,110; 2. Larry Dixon, 2,080; Funny Car - 1. Tony Pedregon, 2,110; 2. Ron Capps, 2,080; Pro Stock - 1. Jeg Coughlin, 2,110; 2. Jason Line, 2,080; Pro Stock Motorcycle - 1. Eddie Krawiec, 2,110; 2. Andrew Hines, 2,080
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Next race: Dover 200, Sept. 26, Dover International Speedway, Dover, Del.
Points leaders:1. Kyle Busch, 4,379; 2. Carl Edwards, 4,178; 3. Brad Keselowski, 4,082; 4. Jason Leffler, 3,599; 5. Justin Allgaier, 3,152
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Next race: Singapore Grand Prix, Sept. 27, Marina Bay, Singapore
Series news: Flavio Briatore said he quit as Renault's leader to "save the team" as it deals with a scandal involving a crash during a race last year. The team, however, could still be thrown out of F1. Briatore and engineering executive director Pat Symonds left the team Wednesday in a move that appeared aimed at reducing the penalty Renault faces at a World Motor Sport Council hearing Monday. The hearing will deal with a crash that helped Nelson Piquet Jr.'s teammate, Fernando Alonso, win last year's Singapore Grand Prix.
Points leaders:1. Jenson Button, 80; 2. Rubens Barrichello, 66; 3. Sebastian Vettel, 54; 4. Mark Webber, 51.5; 5. Kimi Raikkonen, 40