Today-Saturday: $291,000 Bassmaster BP Top 10 tournament, Smallwood State Park near Waldorf. Launch daily between 6:30 and 7 a.m. Weigh-ins daily starting about 2 p.m.
Today-Sunday: Sunfest Boat Show at Shantytown Village in West Ocean City. Show opens daily at noon. No admission. More than 100 boats on display. Call (410) 213-1121.
Today-Sunday: Penn's Landing in-the-water boat show, Penn's Landing Boat Basin in Philadelphia. Call (215) 449-9910.
Saturday-Sunday: DNR-sponsored Potomac paddling adventure, family canoe trip at Green Ridge State Forest in Allegany County. Paddle six miles per day. Transportation to and from river provided. $60 per adult, $30 per child.
Saturday-Sunday: DNR-sponsored wilderness backpacking trip in Savage River State Forest. Trip crosses top of Savage Mountain and descends along Monroe Run. Meals will be provided, but hikers must provide backpacking and camping gear. $50 fee. Call (301) 895-5759.