Fall Festival, Pender UMC, 12401 Alder Woods Drive, Fairfax, VA. 22033. Saturday, October 21, 2023, 2:00 to 4:00 PM. Join us for a fun, safe time for children and families. Our fall festival features trunk or treat (wear costumes), snacks, and games for all ages. Rain date is Sunday, October 29 from 2-4 PM. Contact: Arlether Williams, [email protected] or 703-474-2661.