All Times EDT

NASCAR SPRINT CUP

Toyota/Save Mart 350

Site: Sonoma, Calif.

Schedule: Today, qualifying (Speed Channel, 7 p.m.); Sunday, race (TNT, 3:30 p.m.).

Track: Infineon Raceway (permanent road course, 1.99 miles, 10 turns).

Race distance: 218.9 miles, 110 laps.

Last race: Dale Earnhardt Jr. ended a 76-race winless streak by stretching his last fuel load at Michigan International Speedway. Earnhardt, whose last victory came on May 6, 2006, at Richmond, lasted the last 55 laps on the two-mile oval, including three laps of overtime, without stopping for gas.

Last year: Juan Pablo Montoya showed off his road racing prowess, stretching his fuel to the limit and grabbing his first Cup win. Montoya, who qualified a disappointing 32nd in the 43-car field, was the first driver to win on the Northern California road circuit starting farther back than 13th.

Fast facts: Earnhardt has never won a road-course race in his Cup career or posted a top-10 finish at Infineon. He and Carl Edwards are tied for the series lead with 11 top-10 finishes this season. ... Kyle Busch increased his lead in the standings to 32 points over Jeff Burton, but third-place Earnhardt moved within 84 points of the lead. ... Jeff Gordon leads all drivers with five wins and four poles at Infineon, but is still looking for his first victory of 2008. He had four wins and was leading the point standings at this time last year. ... This is the first of two road-course races this year. The other is at Watkins Glen, N.Y., on Aug. 10. ... Marcos Ambrose is expected to make his Cup debut this weekend driving for Wood Brothers Racing.

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INDY RACING LEAGUE

Iowa Corn 250

Site: Newton

Schedule: Saturday, qualifying, 6:30 p.m.; Sunday, race (ABC, 1 p.m.).

Track: Iowa Speedway (oval, 0.875 miles, 12-14 degrees banking in turns).

Race distance: 218.75 miles, 250 laps.

Last race: Scott Dixon won at Texas Motor Speedway on June 7 under caution after both Ryan Hunter-Reay and Marco Andretti went into the wall with five laps remaining. It was the 13th career victory for Dixon, and third this season for the Indianapolis 500 champion and series points leader.

Fast facts: The first IRL race in Iowa was marred by unseasonably cool weather, slippery track conditions and little maneuvering room that resulted in six cautions for 67 laps. Danica Patrick, Sam Hornish Jr., A.J. Foyt IV and Kosuke Matsuura were all knocked out of the race after an accident on lap 99. Former NASCAR champion Rusty Wallace designed the track. ... The last two races have ended under caution after crashes in the closing laps. Six days before his win at Texas, Dixon was the runner-up at the Milwaukee Mile, where the yellow flag flew as he drove the final three laps behind Ryan Briscoe. There were only three races finished under caution all last season. ... Helio Castroneves has seven top-five finishes in as many starts this season after being the runner-up at Texas. He trails Dixon by 35 points in the standings. ... Dixon earned his fourth pole of the season at Texas.

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NHRA

SuperNationals

Site: Englishtown, N.J.

Schedule: Today, qualifying, 3 p.m.; Saturday, qualifying, Noon (Part I, ESPN2, 4:30 p.m., tape; Part II, ESPN2, 7 p.m., tape); Sunday, eliminations, 11 a.m. (ESPN2, 8 p.m., tape).

Track: Old Bridge Township Raceway Park.

Last event: Tony Pedregon bounced back from a fire during qualifying at Joliet, Ill., to win Funny Car for the second time this season and the 38th time in his career on June 8. Kurt Johnson beat Jeg Coughlin in the Pro Stock final, Tony Schumacher extended his large Top Fuel points lead with his win and Chris Rivas raced to his first Pro Stock Motorcycle victory.

Fast facts: Schumacher has four victories this year and a 190-point lead over Antron Brown in the Top Fuel standings. ... Pedregon joined Tim Wilkerson as the only Funny Car drivers with multiple victories this season. Pedregon has won both of his semifinal appearances in 2008. ... Johnson won last year despite a fire in the opening round that reduced his car to the chassis. ... Scott Kalitta advanced to his first Top Fuel final since winning at Houston in 1989. His four elimination victories this season matches his entire total of 2007.