Boomerang, later Carroll's Boomerang, was an Irish Sport Horse who stood 16.2 hh (168 cm), ridden in show jumping competitions, most successfully by Eddie Macken. Boomerang was also ridden by Liz Edgar (Broome), Johan Heins and Paul Schockemöhle. Over the period 1975-1979, Macken and Boomerang were to win or take second in a record-breaking 32 major Grand Prix's or Derby events across Europe and in the United States. Boomerang helped Macken top the World Computer Ratings in 1976, 1977, and 1978, while amassing £250,000 in prize money - record winnings at the time.(£911,000 in 2007 money)