Round Christiansborg Open Water Swim Race is a  open water swimming competition taking place each year in late August. This amateur event is combined with a  Danish championship. In 2009 the event included a  FINA World Cup competition in the morning. Copenhagen hosted the 2011 UCI Road World Championships in September 2011, taking advantage of its bicycle-friendly infrastructure. It was the first time that Denmark had hosted the event since 1956, when it was also held in Copenhagen.