Back for the 5th year, this fun out-and-back course will allow you to see all the awesome costumes. There will be a team and individual costume contest with great prizes after the run. All activities are based on the 4th Avenue side of the Captain Cook. After you run, hit businesses downtown with the kids for Trick or Treat Street starting at 12 pm. Race starts at 11 am. $25-$30 per member. Visit skinnyraven.com/races/frightening-4k/.