The average interest rate on 30-year fixed-rate mortgages inched up to 7.85 percent this week, up from 7.82 percent last week, according to a weekly survey released Thursday by mortage company Freddie Mac.

UPCOMING EVENTS . . . The Van Metre Cos.' Eighth Annual 5-Mile Run for Children's Hospital takes place today at 8:35 a.m. at Broadlands in Ashburn, Va. Late registration is at the Broadlands Visitors Center from 7:30 to 8:30 a.m. and costs $15 . . . The Dupont Circle Citizens Association will hold its annual House Tour along the 21st Street corridor tomorrow from noon to 5 p.m., starting at the Cosmos Club, 2121 Massachusetts Ave NW. The $25 cost includes a Cosmos Club tea. For information, call 202-265-3222 . . . The 16th Annual Parade of Homes sponsored by the Fredericksburg Area Builders Association, showcasing 37 model homes in 19 communities, will take place today and tomorrow. Tour guidebooks are available in the box in front of 3100 Lafayette Blvd., Fredericksburg; or call 540-898-2370 . . . The Maryland National Capital Building Industry Association and the Real Estate Institute in Annapolis will sponsor a seminar for builders and remodelers, "Recycling America's Aging Homes," Monday from 8 a.m. to noon at the Bethesda Ramada, 8400 Wisconsin Ave. The cost is $95. For registration or information, call 1-888-988-3100 . . . The Prince William Association of Realtors in Manassas is offering a seminar for licensed appraisers, "FHA and the Appraisal Process," Tuesday from 8:30 a.m. to 4:30 p.m. at 9213 Center St., Manassas. For information, call Denise Nebb at 703-368-8177 . . . The Washington Metropolitan Chapter of Community Associations Institute will hold a basic training course for homeowner association leaders, property managers and/or service providers next Saturday from 9 a.m. to 4 p.m. at the Brandermill Inn, 13550 Harbour Pointe Pkwy., Midlothian, Va. The $15 cost includes lunch. For registration or information, call 703-750-3644 or go to . . . The Washington chapter of the Financial Executives Institute will sponsor Gerald Gordon, president of the Economic Development Authority of Fairfax County, discussing how the county grew from the largest dairy-producing jurisdiction in Virginia to the nation's fourth-largest commercial real estate market. His talk will be Tuesday from 6 to 8:30 p.m. at the Tower Club, 8000 Towers Crescent Dr., Tysons Corner. The cost is $50. For information, contact Michael Malesardi at 703-375-1562.

Send realty announcements to Real Estate Notes, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071.