Race organizers for this event say that a costume isn't mandatory, but having fun is a must (though, to be fair, a costume probably helps with the latter!). Each year, the race is organized around a different Halloween-based character, like bats, vampires, skeletons, zombies, etc., with race t-shirts and medals all incorporating that year's design. Participants eagerly await the design unveiling each year. What does this year have in store?