Washington-Lee won six of 10 rowing events in the Potomac Invitational High School Rowing Regatta yesterday on the Potomac River. T.C. Williams won two races, and Yorktown and Potomac (Va.) one each.

In the boys varsity four, Washington-Lee finished first and second with times of 5:12.4 and 5:22.4. Fort Hunt was third at 5:32.7.

Washington-Lee won the first two places in the girls varsity eight competition with times of 4:44.0 and 4:46.8. Yorktown, the regatta host, was third in 4:50.2.

Washington-Lee won the boys junior eight and junior four and the girls varsity lightweight and third eight races.

T.C. Williams swept the first two places in the boys fourth eight with times of 5:27 and 5:39.6. The Titans won the boys fifth eight in 5:45.7 over second-place Potomac (5:58.5).

Fort Hunt won the boys lightweight four in 5:27.0 and Potomac won its only race in the girls fourth eight in 6.15.6. There were no boys varsity eight races during the regatta.

Navy: Navy's heavyweight crews, led by its varsity eight, won the William E. Smith Navy-Princeton rowing trophy for the fourth straight year on the Severn River yesterday in Annapolis.

The Midshipmen rowed the choppy 2,000 meter course in 5:56.0. Princeton was timed in 6:08.0. Navy, which won by better than three boat lengths, led by 1 3/4 lengths at the halfway point.

Princeton's lightweight eight, the defending Eastern Sprints champion, won by 2.7 seconds over Navy with a time of 6:05.3.

Navy won the second varsity heavyweight race and two other heavyweight races, but lost a sweep in the heavyweight competition as Princeton's freshman eight tied Navy in 6:14.

Princeton swept all five races in the lightweight regatta and won both women's varsity eight contests.

Elsewhere: Marietta's varsity eight and lightweight men's crew defeated Georgetown and went on to win five of eight events on the Potomac River.

Marietta's varsity eight, which led the entire race, was timed in 6:17, eight seconds ahead of the Hoyas. In the men's lightweight race, Marietta beat the Hoyas by eight seconds in 6:30.

The Hoyas' varsity eight, junior varsity and novice women crews won easily. The GU varsity eight won by 20 seconds in a time of 7:11, while the junior varsity and novice won with 7:53 and 7:09, respectively.

The Drexel's varsity-eight men's crew defeated George Washington in the second run of the two teams' race on the Potomac. The two teams ran a dead heat in the first race. The Colonial novice and junior varsity eight men's crews won the other two men's races.

In women's competition, GW's varsity eight lost to Trinity by half a second, but the Colonials novice eight won.