The OK dinghy is an International class with strong fleets in the UK, Denmark, Sweden, Germany, Belgium, Poland as well as Australia, New Zealand, India, Korea, Thailand, Malayia. It is the singlehander sailed in the Asian Games every four years. In the UK there is a strong open meeting circuit as well as International competition just across the channel, for example Kiel Week, the Spring Cup at Medemblik and Warnemunde Week. Club racing for the OK is mainly on the East and South coasts.