POWER BOAT SAFETY COURSE with Coast Guard Auxiliary 14-6 starts June 1 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 Rock Mountain Run ($18); 703-671-6577 or 301-229-5816. Bus for most trips leaves 16th and I NW at 8 a.m. with suburban stops.
CENTER CLUB -- Saturday, to Harpers Ferry; 703-451-1341 or 202-223-8016. Saturday, to Chancellorsville; 202-408-0481. Sunday, to Jeremy's run; 703-527-2349.
MOUNTAIN CLUB OF MARYLAND -- Sunday, family day hike at Oregon Ridge. 410-294-9296 or 410-285-0363.
NORTHERN VIRGINIA CLUB -- Saturday, to Keys Gap. Saturday, to Great Falls Park. Sunday, to Old Rag. Activities tape: 703-440-1805.
POTOMAC APPALACHIAN TRAIL CLUB -- Tape: 703-242-0965.
SIERRA CLUB -- Activities tape: 202-547-2326.
WANDERBIRDS -- Sunday, to Old Rag ($15); 571-332-5831. Bus for most trips leaves 17th and K at 8 a.m. with suburban stops.
MOTORCYCLE SAFETY FOUNDATION offers beginner and advanced rider courses. 800-833-3995 or 800-446-9227.
DCRRC TRIPLE CROWN -- Saturday at 8:30 at Fort Hunt Park, Alexandria. 703-241-0395.
MCLEAN FAMILY WALKATHON -- Saturday at 10 in McLean Central Park. 703-917-0008 or 703-448-6101.
BENEFIT WALKATHON -- Saturday at 10 at St. Coletta School, Alexandria, for the Angelman Syndrome Foundation. 800-432-6435.
VOLKSMARCH 10K WALKS -- Saturday and Sunday at North Mountain Vineyard, Maurertown, Va., with Northern Virginia Volksmarchers; start course 8 to 2. 703-765-3128.
SALLIE MAE 10K -- Sunday at 8 at West Potomac Park. No race day registration. 703-533-4849.
MARY HARRIS SCHOOL 5K -- May 17 at 8:30 in Adelphi. 301-408-7900.
TIDAL BASIN 5K -- May 19 at noon at Jefferson Memorial. 703-241-0395.
MCRRC KIDS ON THE RUN -- May 22 at 8 for ages 18 and under at Bohrer Park, Gaithersburg. 301-353-0200.
GERMANTOWN 5-MILE/2-MILE -- May 22 at 8:30 in Germantown. 301-871-0400.
CAPITOL HILL CLASSIC 10K -- May 23 at 8:30 at Peabody School, Fifth and C NE. 301-871-0400.
MCRRC SUE WEN's 5K -- May 29 at 8 at Rock Creek Elementary School, Rockville. 301-353-0200.
CASCADES FIRECHASE 10K -- May 29 at 8 in Sterling. 301-871-0400.
MCRRC CAPITAL CRESCENT 5K -- June 6 at 7:45 at Capital Crescent Trail, Bethesda. 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.
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.