CYCLING
Aug. 12: Greenbelt National Park Training Races, 6 p.m. Route 1 Velo hosts this summerlong Wednesday night series to help local cyclists prepare for their races. The course is a 1.4-mile loop around Greenbelt Park.
Info: route1velo.com.
Aug. 21-23: Allenberry Weekend, Pennsylvania. The Potomac Pedalers Touring Club is sponsoring a weekend to the Allenberry Resort in Boiling Springs, Pa. Rides will range in length from 11 miles to 75 miles, and routes will vary from flat to hard climbs. Info: bikepptc.org.
HIKING
Aug. 15: Shenandoah Southern Series hike, Skyline Drive, 7:30 a.m. This is a 9-mile hike with an elevation gain of 1,200 feet. The hike, sponsored by the Northern Virginia Hiking Club, starts at Turk Gap along Skyline Drive and follows the Appalachian Trail south to McCormick Gap. Info: nvhc.com.
KAYAKING
Aug. 22: Introduction to Swiftwater Safety. This one-day course from the Canoe Cruisers Association is targeted to newer boaters and is to teach “self-safetyÓ rather than rescue.
RUNNING
Aug. 15: Fort Meade Run, Fort Meade, 8 a.m. This 10K is part of the 2009 Runner’s Series at Fort Meade, which is just outside Laurel. Info: ftmeademwr.com.
Aug. 15: Comus Run Cross Country 5K, Comus, 5:30 p.m. The course is 25 percent on trails and the rest grass. The Montgomery County Road Runners Club advises runners to bring cross-country spikes. Info: mcrrc.org.
Aug. 15: Runstock, Quantico, 7:15 p.m. This is a 5K race with on-course entertainment and a post-race concert. Info: marinecorpshistorichalf.com. Info: runwashington.com.
Aug. 16: Greentree Shelter Half-Marathon, Poolesville, 7 a.m. The 13.1-mile marathon will benefit the shelter and its parent organization, the National Center for Children and Families.
Aug. 18: Paul Thurston 4.5-miler, Burke Lake Park, 6:45 p.m. The race is one loop around Burke Lake in Fairfax Station. Info: dcroadrunners.org.
SWIMMING
Aug. 15: UMBC LCM Outdoor Meet, Catonsville, Md., 8 a.m. The outdoor long-course meet (in a 50-meter pool) will include events including 400-meter freestyle, and 100-meter and 200-meter races for each stroke (butterly, backstroke, breaststroke, freestyle), and relays. Online entries due Aug. 13. Info: pvmasters.org/entry.htm.