Here's a breakdown of this weekend's action in the world of motorsports. (All times ET)

Winston Cup

FAST FACTS
Event	Virginia 500
Site	Martinsville, Va.
Schedule	Friday, qualifying (FSN, 3 p.m.); Sunday, race (Fox, 1 p.m.)
Track	Martinsville Speedway (oval, 0.526 miles, 12 degrees banking)
Distance	500 laps, 263 miles

Last race: Dale Jarrett raced from sixth place to the lead in 13 laps, passing gambling Johnny Benson and pulling away to win the Harrah's 500 at Texas Motor Speedway. The Winston Cup points leader had been racing at or near the front throughout the 334-lap event, but slipped from second to sixth during the final pit stops by the leaders when he took four tires while most put on two.

	Drivers to Watch
	Check out a short list of drivers to keep an eye on this weekend at Martinsville.

Last year: Mark Martin emerged almost unscathed from a track-record-tying 17 caution flags to win. Martin did not lead the race until only 64 laps to go.

Fast facts: The 1999 fall race at Martinsville was the first time there had been only one pit road. ... Four drivers -- Jarrett, Mike Skinner, Stacy Compton and Mike Bliss -- made Winston Cup debuts in Martinsville. ... Lee Petty won the 1959 race from the 24th starting position. ... There have been seven different winners in the last seven years. ... Rusty Wallace won five of the seven races at Martinsville from 1994-1996.

Next race: Talladega 500, April 22, Talladega, Ala.

Craftsman Trucks

FAST FACTS
Event	Advance Auto Parts 250
Site	Martinsville, Va
Schedule	Friday, qualifying, 1:30 p.m.; Saturday, race (ESPN, 2 p.m.)
Track	Martinsville Speedway (oval, 0.526 miles, 12 degrees banking)
Distance	250 laps, 131.5 miles

Last race: Ted Musgrave backed up his pole position with a trip to victory circle at Mesa Marin Raceway, becoming the first two-time winner this season in the NASCAR truck series. Musgrave, who led a race-high 119 of 250 laps in a Dodge, passed Brendan Gaughan the 218th time around the half-mile track and won by .858 seconds -- about three truck lengths -- over Jack Sprague's Chevrolet.

Last year: Bobby Hamilton decided to maintain track position instead of pitting for fresh tires, and outraced three rivals to win the rain-delayed event.

Fast facts: In six races at Martinsville, there have been no repeat winners. ... Only Rich Bickle has won from the pole. ... No series winner has won at Martinsville. ... Sprague and Jimmy Hensley have competed in all six races at Martinsville.

Next race: Ram Tough 250, May 6, Madison, Ill.

IRL

FAST FACTS
Event	Infiniti Grand Prix
Site	Homestead, Fla.
Schedule	Saturday, qualifying, 4:30 p.m. (ESPN2, 6:30 p.m., tape); Sunday, race (ABC, 2 p.m.).
Track	Homestead-Miami Speedway (oval 1.5 miles, 8 degrees banking)
Distance	300 miles, 200 laps

Last race: Sam Hornish Jr. won the Pennzoil Copper World Indy 200 in Avondale, Ariz. Hornish, 21, dominated on the way to becoming the youngest winner in American open-wheel history. Team Penske, making its Indy Racing League debut, failed to finish the race.

	Drivers to Watch
	Check out a short list of drivers to keep an eye on this weekend at Homestead.

Last year: Inaugural event.

Fast facts: The series is not awarding points for qualifying this season. ... Greg Ray, the 1999 series champ, has won an IRL-record 10 poles. ... Davey Hamilton is the only driver to compete in all 44 IRL events. ... Felipe Giaffone leads the rookie standings after one race.

Next race: Atlanta Classic 500, April 28, Hampton, Ga.

CART

FAST FACTS
Event	Toyota Grand Prix
Site	Long Beach, Calif.
Schedule	Saturday, qualifying 4:30 p.m. (Sunday, 2 a.m., tape); Sunday, race (ABC, 4 p.m.)
Track	Long Beach Street Circuit (temporary road course, 1.968 miles, 11 turns)
Distance	161.376 miles, 82 laps

Last race: Cristiano da Matta, who replaced Michael Andretti on the Newman-Haas team, won the season-opening Telmex Tecate Grand Prix in Monterrey, Mexico. Da Matta came out on top in a mid-race battle with polesitter Kenny Brack, then held off series champion Gil de Ferran in the last few laps of the race that was shortened to 78 -- two fewer than scheduled -- by a two-hour time limit.

	Drivers to Watch
	Check out a short list of drivers to keep an eye on this weekend at Long Beach.

Last year: Paul Tracy moved from 17th to victory, pulling away at the end for his 16th career win. It was the farthest back a winner has started on a temporary street circuit since Al Unser Jr. won from 19th in 1986 on the old downtown course in Miami.

Fast facts: The best finish for a Toyota was third, last year by Jimmy Vasser. ... Mario Andretti won the first four events at Long Beach (1984-87).

Next race: Firestone Firehawk 600, April 29, Fort Worth, Texas

NHRA

FAST FACTS
Event	SummitRacing.com Nationals
Site	Las Vegas
Schedule	Friday, qualifying, 5:30 p.m.; Saturday, qualifying, 2 p.m. (ESPN2, 9:30 p.m., tape); Sunday, eliminations, 2 p.m. (ESPN2 8 p.m., tape.)
Track	Las Vegas Motor Speedway

Last race: Del Worsham outraced 10-time NHRA Funny Car champion John Force to get the fourth victory of his career in the O'Reilly Nationals at Houston Raceway Park. Mike Dunn, Warren Johnson, Angelle Savoie and Randy Daniels also won in the finals.

Last year: Kenny Bernstein beat Joe Amato to win the Top Fuel final. Jim Epler, Jeg Coughlin, Savoie and Bob Panella won their divisions.

Fast facts: Last year was the inaugural event. ... The track features luxury suites above the grandstand covering the quarter-mile -- the first such facility in drag racing. ... Before last year's victory in Las Vegas, Bernstein had not won an event since 1998. ... The track will hold a second event this year in October.

Next race: Mac Tools Gatornationals, April 21, Gainesville, Fla.

Busch
Last race: Kevin Harvick, already with a Winston Cup victory since taking over for the late Dale Earnhardt, won the Jani-King 300 in Fort Worth, Texas. Harvick finished .246 seconds ahead of Jeff Burton.

Next race: Pepsi 300, April 14, Nashville, Tenn

Formula One
Last event: Michael Schumacher's six-race winning streak ended when David Coulthard took the Brazilian Grand Prix for McLaren's first victory of the Formula One season. Schumacher, on the pole and driving for Ferrari, finished second. The three-time series champion began his torrid run with four victories at the end of last season.

Next race: San Marino Grand Prix, April 15, Imola, Italy.