Annandale and Langley swept Virginia AAA district cross-country championships for the second straight year yesterday at Burke Lake Park.

The Annandale boys and girls teams won in the Potomac District, and Langley's teams won Great Falls District titles.

The top three teams and 10 individuals in each race qualified for the Northern Region meet next week at Burke Lake Park. The Northern District and Gunston District meets are today.

Chris Duncan of Annandale broke from the field at the mile mark and ran virtually alone from there on the three-mile course. Duncan's time of 15 minutes 12.1 seconds was 12 seconds faster than his winning time of a year ago, but 15 seconds better than Bruce Barnhill of Falls Church, who finished second. Overall, Annandale had 36 points to 74 for second-place Falls Church.

"I'm satisfied with my time, considering I ran alone for a long time," said Duncan. "Next week's race (in the regional meet) will make times lower because there will be a lot more competition."

Jefferson's Alisa Harvey, the defending champion, won in a time of 17:23.9, the third-best girls time ever at Burke Lake Park. Four Annandale runners finished in the top 10, including Lynn McKee, who finished second, more than two minutes behind Harvey. The Atoms had 32 points and Wakefield was second with 64.

The Great Falls boys race was close for the first two miles. At the two-mile mark, Langley's Mark Brzezinski and Ken Halla of Madison were running stride for stride, but Brzezinski pulled away in the final mile for a 16-second victory (15:21.1). South Lakes, with 53 points, was second to Langley, which had 44.

"I was a little scared for a minute," Brzezinski said. "I thought he (Halla) might beat me."

Vicki Verinder of Langley won the Great Falls girls race and three other Saxon runners finished in the top 10. Langley finished with 33 points, easily ahead of Madison with 62.