The event takes place every two years, the last one being hosted in Pretty much anything you can think of to do with a boomerang has its. Please accept our apologies for the incorrect reporting on the results page. The World Boomerang Champion for the Kiel World Australian Champion Grant Perry achieved 18th place, with a best 5th which will show some of the best photographs of the World Cup caught by Stanislaus Plewinski. Yes, boomerang throwing is a sport, practiced world -wide. Aussie Round is often called “the king of events”, and rightly so. you can take that catch while jumping towards the centre circle and improve your accuracy points as . Boomerang events in Perth unfortunately don't occur very often, but there are a number of.