Madison, Chantilly, Lake Braddock and Mount Vernon boys and Herndon, Chantilly, Robinson and West Potomac girls captured district titles. The top six finishers in each event advance to the Northern Region Meet tomorrow and Saturday at Wakefield Park at 5 p.m.

Eight different district marks fell and several other swimmers and divers posted times and scores good enough for all-America consideration.

Northern District: Robinson's girls team stripped W.T. Woodson of the Northern District title it held since 1977 when boys and girls competition was separated.The Rams won the meet with 290 points to Woodson's 281. Jamie Rugless won two events for the Rams, the 50-meter and 100-meter freestyle events.

Lake Braddock's boys team edged W.T. Woodson, 331-294. The Bruins were led by double winners David Martinez (200- and 500-meter freestyle) and Mike Riccoboni (200-meter individual medley and 100-meter backstroke).

Great Falls District: Madison's Mike Hutcheson broke two Great Falls District records in the district meet as his team finished third with 187 points. Herndon, which took first in just two events, used depth to win the boys title with 208 points. McLean was second with 197. Hutcheson broke a seven-year-old district record in the 200-meter freestyle with a time of 1:47.27. Hutcheson also broke his own 1986 record in the backstroke by .26 seconds with a time of 55.42. McLean's Michael Lund broke a 10-year-old district breaststroke record by almost two seconds in 1:01.52.

Madison girls managed just one first place finish, but held on to edge Langley, 219-204. Langley's Melissa Douse captured two events, and earned all-America consideration in the 100-meter freestyle with a time of of 53.1.

Potomac District: Chantilly boys and girls teams won the Potomac District titles. The boys team scored 358 points, easily outdistancing Jefferson's total of 239. Chantilly's Vince Carmosino won the 100-meter breaststroke with a record breaking time of 59.25. Carmosino's 58.65 seconds finish in the qualifying rounds won him all-America consideration. The Chargers' Scott Santucci also broke a district record in the 100-meter butterfly.

The Chargers' girls team scored 245 points to edge out Jefferson by just seven points. Jenni Abell (200-meter freestyle and 100-meter butterfly) and Jennifer Bouch (50- and 100-freestyle) each won two events for Chantilly. Jefferson's Jennifer Clarkson set a record in the 100-meter breastroke with a time of 1:09.44.

Gunston District: Mount Vernon's boys and West Potomac's girls teams captured Gunston District titles. Mount Vernon's boys rolled up 399 points, 75 more than West Potomac. West Potomac's girls scored 363 points while Mount Vernon finished second with 297.

Mount Vernon diver Eric Elliott led the way for the Majors, earning all-America consideration with a score of 425.45. Tim Boyd also posted wins in the 100- and 200-meter freestyles 9

West Potomac broke two records and received an outstanding performance from Rob McGuckin. He broke a 13-year old record in the 100-meter backstroke with a time of 55.97, three-quarters of a second better than the old mark and won the 200 meter individual medley. McGuckin also teamed up with Carling Crowther, Ken Schwartz and Nick Weiss as the Wolverines broke the district record in the 400-meter freestyle relay with a time of 3:22.76.

The West Potomac girls team took first place in five of the 11 events. Laura Rankin won both the 100-meter freestyle (57.16) and the 100-meter backstroke (1:04.77) to lead the Wolverines. Elizabeth Utter (200 meter freestyle), Shawn Bruns (1-meter diving), and the 400 freestyle relay team also captured events.