This week's racing schedule

Courtesy of The Associated Press

NASCAR Sprint Cup
Sprint Cup 500
Site: Fontana, Calif., Auto Club Speedway (D-shaped oval, 2 miles, 14 degrees banking in turns)
TV schedule: Friday, qualifying (Speed Channel, 5:30 p.m.); Sunday, race (ESPN, 7 p.m.)
Race distance: 500 miles/250 laps
2007 winner: Jimmie Johnson
Fast facts: Carl Edwards and Kyle Busch have combined to win six of the last seven races and 14 of 24 this season. Edwards was the runner-up in three of Busch’s victories and Busch was second in Edwards last two wins. Edwards won the February race at Fontana, while Busch earned his first career victory there in 2005. ... There are two races remaining before the Chase for the championship. Denny Hamlin (11th place), Clint Bowyer (12th) and David Ragan (13th) each moved up one position, while Kasey Kahne finished 40th at Bristol to fall to 14th. ... Dale Earnhardt Jr., Jimmie Johnson and Jeff Burton can all clinch spots in the Chase this weekend.
www.nascar.com

NASCAR Nationwide
Camping World 300
Site: Fontana, Calif., Auto Club Speedway (D-shaped oval, 2 miles, 14 degrees banking in turns)
TV schedule: Saturday, qualifying (Speed Channel, 4:30 p.m.), race (ESPN2, 8:45 p.m.)
Race distance: 300 miles/150 laps
2007 winner: Jeff Burton
Fast facts: With his win last weekend at Bristol, Brad Keselowski moved within 122 points behind points leader Clint Bowyer in the standings. Carl Edwards dropped to third, 241 points off the pace. ... Bowyer has finished in the top 10 in 21 of 26 races, but has won just once. ... Keselowski failed to finish in the top 30 in all four of his Nationwide starts at Auto Club Speedway. ... No California native has won a Nationwide race at Fontana. ... Tony Stewart won the first Nationwide race at Fontana on Feb. 23.
www.nascar.com

IndyCar Series
Detroit Belle Isle Grand Prix
Site: Detroit, The Raceway at Belle Isle (street course, 2.096 miles, 13 turns)
TV schedule: Sunday, race (ABC, 2:30 p.m.)
Race distance: 188.64 miles/90 laps
2007 winner: Tony Kanaan
Fast facts: Scott Dixon suffered through one of his worst days of the season at Sonoma last weekend by finishing 12th. His lead in the standings shrunk from 78 points to 43 heading into this weekend’s event, the penultimate points race of the season. ... Tony Kanaan and Dan Wheldon were both eliminated from championship contention after finishing third and fourth, respectively, at Sonoma. ... Venezuelan rookie E.J. Viso finished sixth at Sonoma, his best effort since a season-best fourth-place on the street circuit at St. Petersburg in the second race of the season. ... The Formula One (1982-88) and Champ Car (1989-2001) circuits once held events in Detroit. In 1992, the track was moved from downtown Detroit to Belle Isle Park, located approximately two miles east of the city.
www.indycar.com

NHRA
Mac Tools U.S. Nationals
Site: Clermont, Ind., Indianapolis Raceway Park
TV schedule: Saturday, qualifying (ESPN2, 11:30 p.m., taped); Sunday, qualifying (ESPN, 10:30 a.m., taped; 4 p.m. taped); Monday, eliminations (ESPN2, 11 a.m., taped; 6 p.m., taped)
2007 winners: Tony Schumacher (Top Fuel), Mike Ashley (Funny Car), Dave Connolly (Pro Stock) and Craig Treble (Pro Stock Motorcycle).
Fast facts: This is the final event before the Countdown to the Championship. All 10 spots in the Funny Car playoffs have been claimed. Pro Stock’s Dave Connolly, Mike Edwards and V. Gaines clinched spots at Maple Grove Raceway, leaving two spots open in that category. There are two Top Fuel spots up for grabs, while four Pro Stock Motorcycle drivers will compete for the final three berths. ... Tony Schumacher will be trying to tie Joe Amato’s record of 52 career Top Fuel victories. ... Matt Smith took over the Pro Stock Motorcycle lead with his victory at Maple Grove, jumping 73 points ahead of Andrew Hines.
www.nhra.com

Grand-Am Rolex sports cars
Supercar Life 250
Site: Millville, N.J., New Jersey Motorsports Park (2.25 mile road course)
TV schedule: Sunday, race (Speed Channel, noon)
Race distance: 250 miles or 2 hours, 45 minutes
http://www.grand-am.com/rolex/

American Le Mans Series
Detroit Sports Car Challenge
Site: Detroit, The Raceway at Belle Isle (street course, 2.096 miles, 13 turns)
TV schedule: Saturday, race (Speed Channel, 1:30 p.m.)
Race duration: 2 hours, 45 minutes
http://www.americanlemans.com/home/ALMSHome.aspx