Renfrewshire Leisure are staging this family event. Everyone taking part will receive a goody bag, with spot prizes for the best-dressed runners in Halloween costumes. The route is over two laps of the scenic Linwood Moss and is a flat course with only a few gentle undulations. Entry £3 for adults and £2 for children. Go to www.renfrewshireleisure.com/monsterdash to register.