RAINBOW COALITION: With trout season drawing near, the Potomac-Patuxent Chapter of Trout Unlimited will hold its annual fishing clinic from 10 a.m. to 4 p.m., today at Wheaton High School, 12601 Dalewood Dr., with fly-tying and casting demonstrations, a tackle flea market and talks by experts Pete Yarrington, Ash Law, Rudy Mattern and Sam Gillette. Admission $3, kids under 12 free.

Also, Northern Virginia's TU Chapter will hold a vendor night at 7 p.m. Thursday at National Wildlife Federation headquarters, 8925 Leesburg Pike, Vienna. Tackle dealers will bring rods, reels and fly-tying gear. Session is free, public welcome. Call 703-534-4656.

And bass anglers have the Laurel Bassmasters' annual flea market to look forward to next Sunday (Feb. 10), 9 a.m.-3 p.m., at the American Legion Post, 2 Main St., Laurel. Admission $2, kids under 12 free. Call 301-953-7394.

RIVER WATCH: The George Washington Memorial Parkway will hold the first of three scheduled free talks on the Potomac River at 7:30 p.m. Thursday at Potowmack Landing Restaurant in Alexandria. Bruce Penland of Chesapeake Foundation will discuss "The Chesapeake Bay Connection." Other programs are slated Feb. 21 and March 7. Reservations required. Call 703-285-2598.

Also, renowned river rafter and adventurer Richard Bangs will be in town for a slide show and talk on endangered rivers around the world. The first show, sponsored by American Rivers, will be at 7:30 p.m. Tuesday at the University of the District of Columbia, Building 44, Room A-3. The second, sponsored by Canoe Cruisers Association, will be at 7:30 p.m. Wednesday at the Red Cross Building, 2025 E St. NW ($3 donation requested). Call 202-547-6900 or 703-533-8334.

STAYING HOT: Annapolitan Jim Brady continued his winning ways on the international sailboat racing circuit, winning the J-24 midwinters in Miami last month.

Brady's 1990 highlights: J-24 world, European, East Coast and Kiel Week champion; J-22 world champion; runner-up in the Soling worlds and the Soling nationals.

Elsewhere on the sailing scene, Washington's Pen Alexander finished second in class in Key West Race Week in his Express 37, Once Upon a Time, and the top two 50-footers at Key West were Juno V and Heaven Can Wait, both designed by Annapolitan Bruce Farr.

BANG: Earl Bangs of Laurel has been named to the All-American amateur skeet and trapshooting team for the second straight year. He regularly shoots winter league events at the National Capital Skeet and Trap Club near Darnestown in Montgomery County.