Sports activities in and around Washington, D.C., June 25-July 1

SPORTS

Professional

Baseball

NATIONALS Thursday at 7:05 against New York Mets. Nationals Park, 1500 South Capitol St. SE. 202-675-6287 or http://washington.nationals.mlb.com. $10-$335.

ORIOLES Friday at 7:05, Saturday at 4:05 and Sunday at 1:35 against the Washington Nationals. Tuesday-Thursday at 7:05 against the Oakland Athletics. Oriole Park at Camden Yards, 333 W. Camden St., Baltimore. 888-848-2473 or http://baltimore.orioles.mlb.com. $8-$135.

Basketball

MYSTICS Sunday at 4 against the Phoenix Mercury. Tuesday at 7 against the Indiana Fever. Verizon Center, 601 F St. NW. 202-397-7328. http://www.wnba.com/mystics. $10-$200.

Polo

POLO FOR PIEDMONT Sunday 11 to 4. Upperville Polo Field, corner of Route 50 and Willisville Road in Upperville. 540-592-3908. http://www.piedmontchildcare.org/Polo_For_Piedmont.html. $30 per car in advance, $40 at the gate. Reserved Railside Car passes overlooking the Polo Field are $100 in advance.

RECREATIONAL

Hiking

CAPITAL HIKING CLUB Hike four miles along the C&O Canal Towpath on Friday. 703-796-9130. Hike seven to 10 miles in Shenandoah National Park on Saturday. 240-687-0884. Hike 4.5 miles in the Brookland neighborhood on Wednesday. 703-812-4855. http://www.capitalhikingclub.org.

CENTER HIKING CLUB Hike five miles along the C&O Canal Towpath on Friday. 703-525-3357. Hike eight miles from Cleveland Park to the Folklife Festival on the Mall via the Naval Observatory and Georgetown on Saturday. 202-829-7749. Hike two to four miles through business and residential areas and cemeteries in Old Town Alexandria on Tuesday. 703-532-2031. http://www.centerhikingclub.org.

MOUNTAIN CLUB OF MARYLAND Hike 10 miles in Catoctin Mountain Park on Saturday. 410-747-1081. Hike seven miles in Patapsco Valley State Park on Sunday. 410-857-9324. Hike seven miles along the Little Gunpowder River in Harford County on Wednesday. 410-663-9797. Hike nine miles in Savage Park/Gorman Area Trails on Wednesday. 410-381-5489. http://www.mcomd.org.

NORTHERN VIRGINIA HIKING CLUB Hike 10 miles in Shenandoah National Park on Saturday. 703-944-9920. Hike 5.5 miles in Shenandoah National Park on Saturday. 202-230-8082. Hike more than 10 miles in Shenandoah National Park on Sunday. 703-802-6426. Hike 4.1 miles along the South Run-Lake Mercer Loop on Sunday. 703-919-7956.http://www.nvhc.com.

POTOMAC APPALACHIAN TRAIL CLUB Hike 18 miles in central Shenandoah National Park on Tuesday. 540-661-0150. Hike five miles in Seneca Creek State Park on Wednesday. 703-356-6659. http://www.patc.net.

SIERRA CLUB OF HOWARD COUNTY Hike six miles in Great Falls, Va., on Saturday. 410-964-1902. Hike two hours though the Middle Patuxent Environmental Area on Sunday. 301-725-3306.

WANDERBIRDS Hike nine or 12 miles along the Appalachian Trail and Rocky Knob to Caledonia State Park, Pa., on Sunday. 202-236-6258. http://www.wanderbirds.org.

Skating

WASHINGTON AREA ROAD SKATERS Friday at 7. Beginner free skate over flat terrain through the monuments. Meet in front of the White House on Pennsylvania Avenue. http://www.skatedc.org.