BELTSVILLE CLUB plays Sundays. 301-937-6613.
D.C. CLUB plays Thursdays at St. Alban's School, Washington. 202-776-7707.
ANNAPOLIS SAILING SCHOOL and Powerboat School offers beginning and advanced courses, and Kidship sailing courses for ages 5 to 15. 800-638-9192.
CHESAPEAKE SAILING SCHOOL has courses in Annapolis. 800-966-0032.
J WORLD has courses in Annapolis. 800-966-2038.
MARINER SAILING SCHOOL offers courses in Alexandria. 703-768-0018.
WOMANSHIP offers courses in Annapolis. 800-342-9295.
U.S. COAST GUARD AUXILIARIES and U.S. Power Squadrons offer power and sail courses. 800-336-2628; in Virginia, 800-245-2628.
AMERICAN U. CLUB has classes and lessons. 703-321-4922.
CAPITOL HILL CLUB meets Mondays and Saturdays. 202-543-7434.
CHEVY CHASE CLUB meets at Chevy Chase Center. 301-774-7777.
D.C. FENCERS CLUB meets at Forest Glen Fencing Center. 301-562-1990.
FAIRFAX FENCERS has lessons in Chantilly. 703-352-2642.
GEORGE MASON U. CLUB -- 703-321-4922.
GEORGE WASHINGTON U. CLUB -- 301-495-9422.
INTERNATIONAL SCHOOL of Fencing has classes in Tysons Corner. 703-781-3015.
MONTGOMERY REC CLUB meets in Rockville. 301-774-7777 or 301-217-6797.
NIH CLUB meets in Bethesda. 301-435-1214.
OAKLAWN FENCING CLUB meets in Clinton. 301-248-9035.
OLDE TOWN CLUB meets in Alexandria. 703-549-7451 or 703-645-0271.
SMC CLUB meets in Silver Spring. 301-565-0665.
SOUTHERN MARYLAND club meets in Lusby. 301-863-3553 or 301-862-3279.
VIRGINIA ACADEMY OF FENCING has lessons in Springfield. 703-321-4922.
WOMEN'S FLAG league needs players and teams. 571-330-4469.
ADVENTURING -- Sunday, to Paw Paw Tunnel; 202-462-0535.
APPALACHIAN MOUNTAIN CLUB -- Tape: 202-298-1488.
CAPITAL CLUB -- Saturday, to Caldedonia State Park ($23); 703-660-0840 or 703-796-9130. Bus for most trips leaves 16th and I NW at 8 a.m. with suburban stops.
CENTER CLUB -- Saturday, to Lewis Rocks; 703-527-2349. Saturday, to Seneca Creek State Park; 301-434-7266. Sunday, to Bull Run Trail; 703-966-6195 or 703-366-3050.
MOUNTAIN CLUB OF MARYLAND -- Saturday, to Great North Mountain; 410-889-8225.
NORTHERN VIRGINIA CLUB -- Saturday, to Duncan Hollow. Sunday, to Kennedy Peak. Activities tape: 703-440-1805.
POTOMAC APPALACHIAN TRAIL CLUB -- Tape: 703-242-0965.
SIERRA CLUB -- Saturday, to Tuscarora-Wilson Cove. Sunday, to Massanutten Mountain. Activities tape: 202-547-2326.
WANDERBIRDS -- Sunday, to Laurel Lake, Michaux State Park, with swimming ($18). 301-990-1988. Bus for most trips leaves 17th and K at 8 a.m. with suburban stops.
ARROWHEAD EQUESTRIAN Center has lessons for children and adults near Manassas. 703- 594-3512.
BROAD RUN RIDING SCHOOL in Midland has lessons for children and adults. 540-439-9586.
BUCK VALLEY RANCH -- Trail rides near Cumberland. 717-294-3759.
CLAY HILL STABLES has classes in Landover. 301-773-0444.
ELK MOUNTAIN TRAILS has guided rides near Harpers Ferry. 301-986-8483 or 301-834-8882.
EQUILIBRIUM HORSE CENTER has instruction in Gambrills, Md. 410-721-0885.
EQUESTRIAN ENTERPRISES has weekday trail rides and Saturday instruction in Great Falls, Va. 703-759-2474.
FORT VALLEY STABLES has trail rides in Massanutten Mountains. 888-754-5771 or 540-933-6633.
FOXCHASE FARM has riding lessons and introduction to fox hunting in Middleburg. 540-687-5255.
HARMON'S HAYRIDES -- Horse-drawn wagon rides near Brandy Station. 540-825-6707.
HIGHLANDER HORSES has trail rides in Shenandoah Valley. 540-636-4523.
HUNTER EQUESTRIAN CENTER offers riding lessons in Clinton. 301-292-9006.
HYAN FORGE RIDING SCHOOL has classes and camps for ages 5 and up in Crownsville. 410-923-8808.
LOFTMAR STABLES has hunter seat lessons in Bowie. 301-249-7893.
MARRIOTT RANCH -- Trail rides in the Blue Ridge Mountains. 540-364-2627.
MEADOWBROOK STABLES has lessons for children and adults in Chevy Chase. 301-589-9026.
MERRYMOUNT EQUESTRIAN CENTER -- Classes for children and adults in Upper Marlboro. 301-868-2109.
MOUNTAIN SPRING STABLE has trail rides in Blue Ridge Mountains. 703-987-9545.
MOUNTAINTOP RANCH has trail rides in the Shenandoah Valley and Blue Ridge Mountains. 540-298-9542.
PISCATAWAY STABLE has trail rides and hay rides in Clinton. 301-297-9808.
POTOMAC GLEN RIDING School has lessons for children and adults near Germantown. 301-601-0622.
POTOMAC HORSE CENTER offers lessons in Gaithersburg. 301-208-0200.
RIVER BOTTOM TRAIL RIDERS has trail rides in Patuxent River State Forest. 301-253-0999.
ROCK CREEK PARK HORSE CENTER has classes and rides in Northwest Washington. 202-362-0117.
ROCKING S RANCH has trail rides and lessons in Winchester. 540-678-8501.
RODES FARM has trail rides, lessons and pony rides in Blue Ridge Mountains. 804-325-8260.
TAMARACK STABLES has lessons and trail rides in Goldvein, Va. 703-752-7367.
TARTAN FARMS has lessons in Poolesville. 301-972-8567.
WATER'S GIFT EQUESTRIAN Center has English riding lessons in Burtonsville. 301-421-0380.
WHEATON PARK STABLES offers classes for children and adults, and Sunday trail rides. 301-622-2424.
WOODLAWN STABLES has lessons in Alexandria. 703-780-4344.
YOUTH CAMPS with Sticks Lacrosse for boys and girls ages 6 to 10 start Monday at St. Alban's School, Washington. 202-537-5703.
MOTORCYCLE SAFETY FOUNDATION offers beginner and advanced rider courses. 800-833-3995 or 800-446-9227.
TWILIGHT POLO -- Saturdays at 7 through August at Great Meadow, The Plains. 540-253-5001.
BENEFIT 5K RUN/WALK -- Saturday at 8 at Walker Nature Education Center, Reston, to build Nature House. 703-435-6501.
VOLKSMARCH 10K/5K WALKS -- Saturday-Sunday at Thaiss Memorial Park, Fairfax, with Northern Virginia Volksmarchers; start 8 to 1. 703-352-5135.
MCRRC GO FOR THE GLORY TRACK MEET -- Monday at 7:15 p.m. at Walt Whitman High, Bethesda. 301-353-0200.
LOCUST SHADE PARK 5K -- Aug. 13 at 7:30 in Triangle. 703-221-8579.
LOUDOUN COUNTY 10K/20K -- Aug. 14 at 8:15 in Leesburg. 301-871-0400.
MCRRC COMUS 5 K -- Aug. 14 at 5 p.m. in Comus. 301-353-0200.
DCRRC BETHESDA 5K -- Aug. 14 at 6 p.m. at Lynwood Recreation Center, Bethesda. 703-241-0395.
DCRRC TIDAL BASIN 3K -- Aug. 17 at noon at the Jefferson Memorial. 703-241-0395.
DCRRC PAUL THURSTON 4.5-MILE -- Aug. 18 at 6:45 p.m. at Burke Lake Park. 703-241-0395.
GIRLS JUST WANNA HAVE FUN 5K -- Aug. 27 at 8 in College Park. 301-927-1924.
ACHILLES TRACK CLUB has program for physically challenged athletes at Gaithersburg High. 301-530-2889.
AMERICAN RUNNING AND Fitness Association -- 301-913-9517.
ANNAPOLIS STRIDERS -- SASE to Box 187, Annapolis, MD 21404. 410-268-1165.
CAPITOL HILL RUNNERS -- 301-283-0821.
CARROLL CREEK PACERS -- SASE to CCPRC, Frederick County YMCA, 1000 N. Market St., Frederick, MD 21701. 301-663-5131.
D.C. FRONT RUNNERS -- 202-628-3223.
D.C. ROAD RUNNERS CLUB -- SASE to DCRRC, P.O. Box 1352, Arlington, VA 22210. 703-241-0395.
FREDERICK STEEPLECHASERS -- SASE to P.O. Box 681, Frederick, MD 21705. 301-371-7675.
GNATS RUNNING CLUB -- SASE to 7507 Overlook Ct., Oxon Hill, MD 20745. 301-839-7957.
HOWARD COUNTY STRIDERS -- 410-964-1998.
MONTGOMERY COUNTY RRC -- P.O. Box 1703, Rockville, MD 20850. 301-353-0200.
NORTHERN VIRGINIA RUNNING Club -- SASE to 4001 N. Ninth St., Apt. 1901, Arlington, VA 22203.
POTOMAC VALLEY TRACK CLUB -- SASE to 3140-D West Springs Dr., Ellicott City, MD 21043-3261. 703-671-2520.
PRINCE GEORGE'S RC -- SASE to PGRC, P.O Box 877, Greenbelt, MD 20768. 301-927-1924 or 301-982-2457.
RESTON RUNNERS -- SASE to P.O. Box 2924, Reston, VA 22090. 703-437-3668.
RIDGE RUNNERS -- SASE to 12350 Oakwood Dr., Lake Ridge, VA 22192. 703-491-2154, Ext. 113.
SHENANDOAH VALLEY RUNNERS -- SASE to 3916 Old Charles Town Rd., Berryville, VA 22611. 540-955-3185.
WASHINGTON RUNNING CLUB -- SASE to P.O. Box 545, McLean, VA 22101. 703-536-7764.
WASHINGTON RUNHERS -- SASE to P.O. Box 5622, Arlington, VA 22205.
WASHINGTON AREA ROADSKATERS has training and group skates in Washington. 202-249-2228.
MONTGOMERY WOMEN'S 30+ team needs experienced players. 301-871-2702.
ALEXANDRIA/SPRINGFIELD adult leagues need players and teams. 703-851-3332.
NORTHERN VIRGINIA SENIOR league needs men 50+ and women 40+ for Tuesday and Thursday morning play. 703-913-0028 or 703-524-556.
ARLINGTON COED team needs male and female players for Saturday games. 703-499-3816.
DC VOLLEYBALL has adult leagues. 202-857-0700.
FAIRFAX JUNIORS has youth clinics in Fairfax County. 703-476-1017.
MID-ATLANTIC Volleyball has clinics and tournaments. 301-972-3611.
USA VOLLEYBALL Chesapeake Region has information about leagues, clinics, camps and tournaments. 301-270-0710.
VOLLEYBALL HOUSE in Elkridge has leagues and clinics. 410-579-1007.
NORTHERN VIRGINIA CLUB practices in Alexandria. 703-256-0459.
ROCKVILLE-MONTGOMERY club practices at Montgomery Aquatic Center. 301-384-8049.
INNER QUEST offers frequent classes in kayaking, canoeing, rock climbing and caving. 703-478-1078.
VENTURE EXERCISE for blind and disabled athletes, Saturdays at D.C. YMCA. 301-248-2681.
WASHINGTON WOMEN OUTDOORS offers cycling, hiking, rock climbing, canoeing and kayaking trips and instruction. 301-864-3070.