VIRGINIA MOTOR SPORTS CLUB: Competition open to all cars (150-car limit) Sunday, at the State Fair Grounds Richmond. Registration 7:30 a.m., first car off at 8:30. Registration $7. Information: Gary Stout, 804/288-0174. SPORTS CAR CLUB OF AMERICA: Competition Sunday at Harrisburg East Mall in Pennsylvania, just off 1-83. Registration 9:30 a.m., first car off by 10:30. Information: John Willauer, 717/626-4633. STOCK CARS

BELTSVILLE SPEEDWAY: Racing Friday, sanctioned by the National Association of Stock Car Auto Racing (NASCAR). Children's Hospital charity night, featuring Baltimore/Washington sportscasters. Gates open at 5, races 8 to 11. Admission $4. Take the Baltimore-Washington Parkway to Agricultural Research Station exit, left under the bridge and take first right. Information: 301/490-2300. CAPITOL RACEWAY: Funny cars and weekly cars in Gambrills, Md. Gates open at 3, first round at 7:45. Admission $10 adults, $5 for children under 12, under 5 free. 301/721-7821. DORSEY SPEEDWAY: Late-model street-stock figure-eight racing Saturday, beginning at 7:30, followed by demolition derby. Admission $4 for adults, $1 for children under 14. Intersection of Routes 1 and 16 in Dorsey, Md. 301/796-9746. MARYLAND INTERNATIONAL SPEEDWAY: National Hot Rod Association drag racing Saturday. Gates open at 2, eleminations begin at 6:30. Admission $5, entry fee $5. Track at Budd's Creek. Take Route 301 south to Route 234 (about 30 miles), left on 234 for seven miles. 703/893-2170 or 301/884-4310. OLD DOMINION SPEEDWAy: Stock drag racing Friday at 8. Admission $6 for adults, children under 12 free. Demolition derby Saturday at 8. Adults $5, children $1. Take 1-95 to Manassa/Dumfries exit, then go 12 miles toward Manassa. 703/361-7753. OTHERS: The Sports Car Club of America's Washington region sponsors regional and national-level amateur road racing at least once a month. Competition includes showroom stock, production models, sedans, sports racers and formula cars. Call John McCreery after 6 at 301/890-8863 or Polly Hammond at 301/937-1113.