Before revision: They are used for leisure sailing on beaches in many parts of the world - but Blokart racing is also developing as a competitive international sport, with organised racing including national championships in several countries and a biennial world championship.
After revision: Leisure sailing is common on beaches, gravel, grass and other flat surface in many parts of the world - but Blokart racing is also developing as a competitive international sport, with organised racing including national championships in several countries and a biennial world championship.