NEXTEL CUP

THE RACE: Food City 500; Bristol (Tenn.) Motor Speedway; 500 laps of 0.533-mile oval

WHEN: 10:30 a.m. Sunday; Fox (Channel 5), KKLZ-FM (96.3)

MORE TV: Qualifying, 12:30 p.m. today; Speed (Digital 329)

2006 WINNER: Kurt Busch

NEXT RACE: April 1, Martinsville, Va.

NASCAR BUSCH

THE RACE: Sharpie 300; Bristol, Tenn.; 300 laps

WHEN: Noon Saturday, ABC (Channel 13)

MORE TV: Qualifying, 8 a.m. Saturday, Speed (Digital 329)

2006 WINNER: Kyle Busch

NEXT RACE: April 7, Lebanon, Tenn.

NASCAR TRUCKS

No racing this weekend

LAST RACE: Mike Skinner won

NEXT RACE: March 31, Martinsville, Va.

LAS VEGAS: Sept. 23

NHRA DRAG RACING

No racing this weekend

NEXT RACE: March 30-April 1, Houston

LAS VEGAS: April 13-15, Oct. 26-29

INDY RACING LEAGUE

THE RACE: XM Satellite 300; Homestead-Miami Speedway, Homestead, Fla.; 200 laps of 1.5-mile oval

WHEN: 5 p.m. Saturday; ESPN2 (Cable 31)

2006 WINNER: Dan Wheldon

NEXT RACE: April 1, St. Petersburg, Fla.

FORMULA ONE

No racing this weekend

NEXT RACE: April 8, Kuala Lumpur, Malaysia

CHAMP CAR WORLD SERIES

OPENER: April 8, downtown Las Vegas

LOCAL

TODAY: Midnight Mayhem (street-legal drags); 8 p.m.-1 a.m.; Las Vegas Motor Speedway dragstrip

SATURDAY: Jerry's Nugget Drag Racing Series (bracket racing; 5-11:30 p.m.; LVMS dragstrip

SATURDAY-SUNDAY: NHRA Jr. Dragsters, 9 a.m.-2 p.m.; LVMS dragstrip

INFO: Las Vegas Motor Speedway (LVMS.com, 644-4444); LVMS Bullring (632-8422), LVMS dragstrip (632-8459)

TIMES AND EVENTS SUBJECT TO CHANGE