The Fairfax Optimist Club will hold a Trunk or Treat in the Park Saturday, October 31, 2026, at the city  park in Fairfax, Missouri. Cars will be lined up on the road to the west of the park from 5:00 to 6:00 p.m. Hot dogs, chips, and water will be provided to attendees in the shelter house on the east side of the park. Everyone is invited to participate, whether to set up a decorated vehicle from which to hand out candy or come dressed up to get goodies.