CATHOLIC U. BOYS AND GIRLS camps start July 12 for ages 8 to 18. 202-622-5058.
CATHOLIC U. BOYS AND GIRLS camps start June 21 and July 5 for ages 8 to 16. $170. 202-319-6046.
POWER BOAT SAFETY COURSE with Coast Guard Auxiliary 14-6 starts Tuesday at Carl Sandburg Middle School, Alexandria. 703-780-8914.
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 or 410-280-2040.
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. 703-754-9750.
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.
APPALACHIAN MOUNTAIN CLUB -- Tape: 202-298-1488.
CAPITAL CLUB -- Saturday, to Massanutten Mountains; 703-401-2719 or 703-660-0840. Bus for most trips leaves 16th and I NW at 8 a.m. with suburban stops.
CENTER CLUB -- Saturday, to Ellicott City; 202-829-7749. Sunday, to Skyland; 703-517-3490. Monday, to Capital Crescent Trail; 703-517-3490.
NORTHERN VIRGINIA CLUB -- Sunday, to Black Rock Cliffs. Activities tape: 703-440-1805.
POTOMAC APPALACHIAN TRAIL CLUB -- Tape: 703-242-0965.
SIERRA CLUB -- Saturday, to Blockhouse Point Conservation Park. Saturday, to National Arboretum. Tuesday, to Bear Church Rock. Thursday, to Scotts Run. Activities tape: 202-547-2326.
WANDERBIRDS -- Sunday, to Little Devils Stairs; 301-774-6425 or 301-299-9563. 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.
BLUE FOX FARM offers lessons in Chantilly. 703-690-7922.
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.
GREENWAY STABLES offers unguided trail rides near Dulles Airport. 703-327-6117.
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.
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.
RODES FARM has trail rides, lesson 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.
MOTORCYCLE SAFETY FOUNDATION offers beginner and advanced rider courses. 800-833-3995 or 800-446-9227.
MCRRC SUE WEN's 5K -- Saturday at 8 at Rock Creek Elementary School, Rockville. 301-353-0200.
CASCADES FIRECHASE 10K -- Saturday at 8 in Sterling. 301-871-0400.
LAUREL 5K -- June 5 at 8 to benefit PELC and St. Jude's Hospital. 301-725-7220.
CLIFTON CABOOSE TWILIGHT 5K -- June 5 at 6 p.m. in Clifton. 703-968-0740.
MCRRC CAPITAL CRESCENT 5K -- June 6 at 7:45 at Capital Crescent Trail, Bethesda. 301-353-0200.
DCRRC WOMEN'S DISTANCE 5K -- June 6 at 8:30 at Bon Air Park, Arlington; Run After the Women 5K, 9:15. 703-241-0395.
MCRRC CROSS COUNTRY 8K -- June 11 at 7 p.m. in Gaithersburg. 301-353-0200.
KIWANIS 10K CHALLENGE -- June 12 at 8 in Crofton. SASE to 1710 Bloomsberry Ct., Crofton. 410-451-3998 or 410-721-1729.
LAWYERS HAVE HEART 10K/3K -- June 12 at 8 in Washington. 703-914-3710.
CICADA CRUNCH 5K -- June 12 at 10 in Cheverly. 301-773-0912.
DCRRC TIDAL BASIN 3K -- June 16 at noon at Jefferson Memorial. 703-241-0395.
MCRRC RUN FOR THE ROSES -- for women only, June 19 at 8 at Wheaton Regional Park. 301-353-0200.
TOUCAN 10K -- June 19 at 8 in Vienna. 301-871-0400.
MCRRC BURNING TREE 5-MILE -- June 20 at 8 in Bethesda. 301-353-0200.
HUGH JASCOURT 4-MILE -- June 21 at 7 in Washington. 703-241-0395.
MARC TRAIN 5-MILE -- June 26 at 8 in Odenton. 410-551-4301 or 410-647-6000.
TIM HARMON 5K -- June 26 at 8:30 at Fairfax Government Center. 703-934-8756.
WOMEN'S DISTANCE 5K -- June 26 at 8 at South Lakes High, Reston. 703-787-9023.
DCRRC LANGLEY 8K -- June 29 at 7 at Langley High School, McLean. 703-241-0395.
MARYLAND TABLE TENNIS Center has daily play in Gaithersburg. 301-519-8580.
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.
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.