Executive III, the D.C. area team, beat New Jersey AAU, 129-113, to take third place in the junior men's AAU basketball tournament in Jacksonville. DeMatha's Jerrod Mustaf had 29 points and 18 rebounds and Forestville's Tyrone Powell scored 28 points for the Executive III team . . .

FC Washington of the new American Soccer League will play an exhibition game against the Canadian national team July 26 at George Mason. Tickets are available through TicketCenter or Phone Charge . . .

Washington Redskins defensive back Darrell Green will host a track and field competition today at Mount Vernon College at 2100 Foxhall Rd. NW from 4 to 8 p.m. Proceeds from the competition will benefit the Spina Bifida Association of America . . .

David Robinson will receive the second annual Urban Coalition Len Bias Memorial Award at 1 p.m. Sunday at Dunbar High School. The award is given for outstanding achievement in the Urban Coalition summer basketball league . . .

The Baltimore Orioles will be holding a tryout camp at St. Albans School at Garfield and Massachusetts avenues Sunday at 9 a.m. The camp is open to all persons 16 to 22 years old . . .

NBA players Alex English and Adrian Branch will be at Jefferson street NW on the Mall Monday at 11:30 a.m. to promote the U.S. Youth Games, which will take place Aug. 3-8 at Catholic University, Trinity College and Gallaudet.