Rockville Municipal Swim Center held off a strong finish by Solotar Swim Team to win its first Potomac Valley AAU senior championship last night at Bowie State College.

Rockville totaled 1,525 points. Solotar, which won six of the last 10 events, had 1,358. Curl Swim Club amassed 1,270 for third.

Clay Britt was Rockville's only winner with an impressive 200-yard backstroke in PVAAU record time of 1:53.21.

Mathias Bostrom led Solotar's late charge with a PVAAU standard in the 1,650-yard freestyle, covering the distance in 16:11.21 to qualify for the national Junior Olympics. Bostorom averaged 59 seconds for each 100-yard interval and covered the last 200 yards in 1:56.83.

Solotar's Simone Kusseling won the women's 100 freestyle in 53.81, while Mike Fell took the men's version in 48.22. Sarah Sykes and Kathy McQuaid rounded out Solotar's winners with Sykes taking the 200-yard backstroke in 2:11.03 and McQuaid the 200 breaststroke in 2:25.63.

Susan O'Brien added her fourth PVAAU 11-12 age-group record in the 100 freestyle when she finished fourth in 54.61.

The area's top swimmers will travel to Philadelphia in two weeks for the Region II championships, where Starlit Aquatic Club is defending womenhs champion.