GRACE CHURCH CONCERT SERIES

The 2004-05 season of the Grace Church Concert Series begins Sunday with a performance by the Washington Bach Consort, a 24-member professional chorus and orchestra that specializes in 18th-century music. This year's concert series honors the 150th anniversary of Grace Episcopal Church. 5 p.m., 6507 Main St., The Plains. A reception with the artists follows the performance. $15 suggested donation. 540-253-5177 or www.gracechurch.net.

FALL FESTIVAL

A fall day of entertainment, food and activities at Claude Moore Park: Children can find their own pumpkin in the pumpkin maze and paint it in the craft tent. Families can make scarecrows to take home. Straw and supplies for the head will be provided, but bring a long-sleeve shirt and pants. There will be a Great Pumpkin Game, where participants will have a chance to win a big pumpkin. Frogshackle Nature Cabin will be open with hands-on nature activities and displays. The historic Lanesville Ordinary will be open for tours throughout the afternoon. There will also be pony rides, a puppet show, snake show by Reptiles Alive!, a music show and small farmers market. 11 a.m.-4 p.m. Saturday, Claude Moore Park, 21544 Old Vestals Gap Rd., Sterling. $5 suggested parking donation. Use Loudoun Park Lane entrance and park at Farm Museum or Sportsplex lots. 703-444-1275.

STEEPLECHASE RACING

The Virginia Fall Races consist of top steeplechase horses and riders competing in a dozen timber, brush and turf events. Highlights include the Chronicle Cup timber classic, the Daniel C. Sands hurdle race, a tailgate competition and a family fun fair, featuring a petting zoo, face painters, a fire engine and pony rides Saturday. On Sunday, it's the Field Hunter Championships of America. 11 a.m. gates open, 2 p.m. post time Saturday and Sunday. Glenwood Park, Foxcroft Road/Route 626, The Plains. Admission, $20 a car with as many as four people. 540-687-5662 or www.vafallraces.com.

Music director J. Reilly Lewis, left, will lead the Washington Bach Consort, featuring soprano Amanda Balestrieri, right, in a concert in The Plains.