A few organizations are celebrating Halloween ahead of the holiday. St. Mary’s Church in Riverside is holding a costume parade and Trunk or Treat event today as part of their fall festival. On Friday the 25th, the Riverside Area Community club will hold the 2nd Annual Haunted Hay Ride. Rides along the “spooky trail” start at 7 and will end at 10. Lineup will be at the Community Center. On the 31st, trick or treating will be held from 6 to 8pm.