Event by Muddy River Rollers Moncton Coliseum Duration: 6 hr 45 min Get ready for a spine-chilling spectacle on wheels at our annual Halloween-themed event.  Dress up in your best costume (there will be a costume contest!!) and cheer as teams battle for victory. This year, we're planning for a junior scrimmage, adult scrimmage, and a round robin featuring Halifax's Dead Ringers, Truro's Lobster Hub and Moncton's Axe Kickers. Add this event to your calendars for a roller derby spooktacular you'll…