Several LPGA golfers competing in this week's LPGA Championship in Bethesda will stay in the area an extra day and play in Monday's Alexanders Annapolis Pro-am at Eisenhower golf course. The Annapolis Foundation, which expects to raise $200,000 in the next three years to benefit the U.S. Olympic team, is sponsoring the event.

The tournament will feature 30 LPGA pros, several Olympic gold medalists, national sports figures and celebrities. Dr. Harvey W. Schiller, new executive director of the U.S. Olympic Committee, will be among the golfers. Boyd Alabama Bound

Woodmont pro Bob Boyd, who took the recent Maryland Open after shooting an eye-popping 62 in the second round and winning by nine shots, is in the field for the upcoming PGA Championship at Alabama's Shoal Creek, Aug 9-12. Boyd's Maryland Open win landed him a berth in next year's Kemper Open. . . .

Greg Williams, a former Washington Redskin, lost out in a five-way playoff for the championship of the recent Northern Virginia Mid-Amateur. Williams, a yearly participant in the Northern Virginia Amateur, was in the playoff with Fred Kelly, Gill FitzHugh, Tim Vigotsky and Ed Walker for the Mid-Amateur title at Williams's home Chantilly course. Kelly birdied the second extra hole to win. Strong Elder Field

An outstanding field of golfers and celebrities is set for the 20th annual Lee Elder Invitational Golf and Tennis tournament, Aug. 17-19, at Nashville's Hermitage Country Club and the Nashboro Village Tennis Center. The event, hosted by the Washington resident now playing on the Senior PGA Tour, funds scholarships for disadvantaged youth through the Lee Elder Foundation.

Johnny Allen of Birmingham, first-round leader in the recent Capital City Open at Washington's Langston course, is defending Elder champion. Teeing It Up

G.W. Cable, 13, of Oakton was one-under-par and defeated Paul Van Zutphen, 11, of Gaithersburg to win the 13-and-under division of the recent Gorin Memorial Junior. Cable won that age bracket in the Washington Metropolitan Golf Asscciation Junior last year and is defending champion in that event at Congressional, Aug. 6-8.

The field for the WMGA Junior is filled to 135-golfer capacity. The tournament will be on the Gold Course at the River Road complex. The famous Blue Course, which was remodeled on a grand scale at a cost of $1.7 million, recently reopened. . . .

The Women's District Golf Association Championship, usually contested in early June, has been moved to Aug. 6-10 at Norbeck because of the difficulty obtaining a course in golf-busy June. . . . Indian Spring will host the Women's Golf Classic, sponsored by the Middle Atlantic PGA, Aug. 17. The event benefits the Montgomery County arm of the American Cancer Society. For information, call the American Cancer Society at 933-9350. . . . The Ronald McDonald House Pro-am earlier this month raised approximately $51,000, bringing the tournament's six-year total for the charity to $250,000. . . .

Lake Arbor Country Club will hold its first Lake Arbor Community Golf Championship, Monday, Aug. 20. The event is dedicated to preservation of the golf course as a community asset. Income generated will be used to resolve issues of safety and related problems encountered along the perimeter of the Mitchellville course.