Join Lexington Market and local Merchants for the Third Annual Trick or Treat in the Market. The nearly century-old tradition of Trick or Treating will be brought inside Lexington Market from 2 to 4 PM on Saturday, October 28, 2017. The family-friendly event features live music, pumpkin decorating, cooking demos, samples and, of course, trick or treating throughout the Market. The event is free and open to all.