STARTING TIME: 9:05 a.m., Sunday.

COURSE LENGTH: 26 miles 385 yards.

COURSE: Flat except for hills at Capitol Hill and the finish. The start will be on Rte. 110 in Rosslyn and the runners will move south past the Pentagon to 15th St. in Crystal City and back around the Pentagon, north along Rte. 110 through Rosslyn and over Key Bridge into Georgetown. They will proceed east on M St. and south on Rock Creek Parkway to the Lincoln Memorial, then east toward Capitol Hill and around the Capitol. They will then move west, back to the Lincoln Memorial, through West Potomac Park and around the Tidal Basin to the Jefferson Memorial. From there, they will enter East Potomac Park and proceed counterclockwise around Hains Point and over the 14th St. Bridge before heading back to the Iwo Jima memorial for the finish.

ENTRIES: Approximately 12,000.

MEN'S RACE RECORD: 2:16:31, Dean Matthews, 1981.

MEN'S WORLD MARATHON RECORD: 2:07:11, Carlos Lopes, 1985.

MEN'S U.S. MARATHON RECORD: 2:08:52, Alberto Salazar, 1982.

WOMEN'S RACE RECORD: 2:41:48, Jan Yerkes, 1980.

WOMEN'S WORLD MARATHON RECORD: 2:21:06, Ingrid Kristiansen, 1985.

WOMEN'S U.S. MARATHON RECORD: 2:21:21, Joan Benoit, 1985.

1986 TOP FINISHERS (MEN): 1. Brad Ingram, Mansfield, Ohio, 2:23:13; 2. John Stevens, Portsmouth, Va., 2:24:05; 3. Rudy Robinson, Washington, 2:24:31; 4. Robert Taylor, Mechanicsburg, Pa., 2:24:44; 5. Larry Frederick, Reston, 2:24:56.

1986 TOP FINISHERS (WOMEN): 1. Kathy Champagne, Plattsburgh, N.Y., 2:42:59; 2. Lucia Geraci, Dunwoody, Ga., 2:48:58; 3. Sally Strauss, Washington, 2:52:08; 4. Cathy Ventura-Merkel, Arlington, 2:55:12; 5. Patricia Milleson, Timonium, 2:57:02.

TOP TIMES BY AGE (MEN): 10-under: John Lewis, 9, 2:49:48, 1982. 11-14: Sean Rebblett, 14, 3:15:37, 1981. 15-19: Darrell General, 19, 2:26:52, 1985. 20-24: Derick Hulme, 22, 2:23:47, 1983. 25-29: Dean Matthews, 26, 2:16:31, 1981. 30-34: Hank Pfeifle, 30, 2:17:52, 1981. 35-39: Thomas Bernard, 37, 2:19:16, 1985. 40-44: Bill Hall, 41, 2:24:38, 1981. 45-49: Bill Fuller, 46, 2:31:51, 1985. 50-54: Norman Green, 53, 2:31:20, 1985. 55-59: Phillip Gross, 56, 2:42:31, 1983. 60-64: Francis Dimarco, 62, 2:51:17, 1984. 65-over: Anthony Napoli, 66, 3:05:55, 1986.

TOP TIMES BY AGE (WOMEN): 10-under: Rashida Wiggins, 9, 3:28:00, 1984. 11-14: Deirdre Tiffany, 14, 4:11:15, 1982. 15-19: Janine Franko, 19, 3:06:08, 1984. 20-24: Jan Yerkes, 23, 2:41:48, 1980. 25-29: Pamela Brisco, 29, 2:43:20, 1984. 30-34: Lucia Geraci, 32, 2:48:58, 1986. 35-39: Sandra Mewett, 35, 2:49:11, 1984. 40-44: Trudy Rapp, 44, 2:58:05, 1981. 45-49: Diane Palmason, 45, 2:50:51, 1983. 50-54: Janet Glassman, 52, 3:19:20, 1981. 55-59: Ruth Anderson, 56, 3:27:05, 1985. 60-64: Araxi Prevot, 61, 4:06:56, 1985. 65-over: Althea Wetherbee, 66, 4:18:05, 1985.

TOP MALE RUNNERS ENTERED: Brad Ingram of Mansfield, Ohio, is a former Marine Corps lieutenant who played see-saw with Tom Bernard the last three years, winning the first meeting in 1984 (2:19:16), losing the second to Bernard in 1985 (2:19:23) and winning again last year (2:23:13). He faces a new set of contenders this year. Robert Schwelm of Paoli, Pa., expects to run 2:17.

TOP FEMALE RUNNERS ENTERED: Susan Crowe of State College, Pa., will turn 32 two days before the race and is planning on running 2:40, nine minutes faster then her best time. She is a mother of three who is running her 10th marathon. Katherine Stiles of Berryville, Va., seems to run best when she's expecting. She started running six months after her first child was born and will be at least seven weeks pregnant on race day. She's hoping to run 13 minutes faster than ever before, looking for a 2:48.

NOTABLE COMPETITORS: Ari Wilkenfeld, 17, youngest entrant from Washington, was diagnosed dyslexic at a young age and began running marathons at age 12 for sense of achievement; it will be his fourth Marine Corps race. Marine Major John Bates, 42, of Little Rock, Ark., has run 28 marathons since 1974 when he started running as rehabilitation after loss of a lung in Vietnam, and he is the former record holder of the Death Valley to Mount Whitney Run (146 miles up hill from lowest to highest point in U.S.). Margaret Ramunno and Mary Riforgiato, 30, of Buffalo, are twins and nurse practitioners running together for the first time since Margaret married and moved to Baltimore.

BEST VIEWING SITES: Roosevelt Bridge (for the start, seven-mile point and finish), the Lincoln Memorial (for the 10- and 16-mile points) and the 14th St. Bridge near the Jefferson Memorial (for miles 17, 19 and 23).

SPECTATOR INFORMATION: Buses will run from north and south Pentagon parking lots to Meade Street. Shuttles will begin running at 7 a.m. and will run until 4 p.m. on race day. There will be a 40-minute break from 8:50-9:30 a.m. to allow runners to pass the Pentagon.

METRO SCHEDULE: Metro will operate on normal schedules, opening at 8 a.m. The closest stations to the starting line are Rosslyn (Orange/Blue lines) and Arlington Cemetery (Blue Line).

PARKING, TRAFFIC RESTRICTIONS: Street closures and traffic restrictions for Virginia and Washington:

No parking on Meade St. Saturday and Sunday.

Rte. 50 access behind Meade St. (7 a.m.-3 p.m. Sunday)

Exit I-66 to Rte. 110 (7 a.m.-3 p.m.)

Rte. 110 from Wilson Blvd. to 15th St. (7 a.m.-4 p.m.)

Off ramp from I-395 onto Rte. 1 to National Airport (8:45-10 a.m.)

15th St. from Rte. 1 to S. Joyce St. (9-9:45 a.m.)

Key Bridge (9:30-11 a.m.)

Off ramp from Rte. 50 to Key Bridge exit to Whitehurst Freeway from Key Bridge (9:30-11 a.m.)

Wisconsin from M to K Sts.(9:30-11 a.m.)

K St. from Wisconsin to Rock Creek Parkway exit (9:30-11:15 a.m.)

Rock Creek Pkwy. from K St. to Lincoln Memorial Circle (9:30-11:15 a.m.)

Lincoln Memorial Circle from Rock Creek Pkwy. to Bacon Dr. (9:40-11:30 a.m.)

Bacon Dr. (9:40-11:30 a.m.)

17th St. from Constitution to Jefferson (9:45 a.m.-12:15 p.m.)

15th St. from Constitution to Jefferson (9:45 a.m.-12:15 p.m.)

14th St. from Constitution to Jefferson (9:50 a.m.-12:25 p.m.)

Madison from 4th St. NW to 12th St. NW (9:50 a.m.-1 p.m.)

7th St. from Constitution to Jefferson (10 a.m.-1:15 p.m.)

4th St. from Independence to Pennsylvania (10 a.m.-1:15 p.m.)

3rd St. from Pennsylvania to Maryland (10 a.m.-1:15 p.m.)

1st St. from Louisiana to C St. sw (10 a.m.-1:15 p.m.)

Constitution from 1st St. NW to 1st St. NE (10 a.m.-1:15 p.m.)

New Jersey from Louisiana to Constitution (10 a.m.-1:15 p.m.)

Delaware from D St. NE to Constitution (10 a.m.-1:15 p.m.)

New Jersey from Independence to C St. SE (10 a.m.-1:15 p.m.)

South Capital from C St. to Independence (10 a.m.-1:15 p.m.)

C St. Westbound from 1st St. SE to 1st St. sw (10 a.m.-1:15 p.m.)

Maryland from 1st St. to Independence (10 a.m.-1:15 p.m.)

Jefferson Dr. (10 a.m.-1:15 p.m.)

Lincoln Memorial Circle (10:15 a.m.-1:30 p.m.)

Ohio Dr. from Lincoln Circle to Buckeye Dr. (10:15 a.m.-2 p.m.)

Buckeye Dr. to East Potomac Park (7 a.m.-2:30 p.m.)

George Washington Parkway exit from 14th St. Bridge (10:45 a.m.-3 p.m.)

Boundary Channel Dr. exit from 14th St. Bridge (9:15 a.m.-3 p.m.)