There are two regattas associated with Marlow; the Marlow Town Regatta and Marlow International Regatta. Cowes is a centre for sailing, hosting several racing regattas. It draws crowds from rowing regattas and dragon boat races. Olav jumped from the Holmenkollen ski jump in Oslo and competed in sailing regattas. It competes nationally at regattas and heads races organised by British Rowing. Ross Rowing Club has members competing in regattas all over the country. Lake Saint Clair is home to many yacht clubs which host regattas. Cutter races are also to be found at various town rowing and skiffing regattas. There are regattas and head races annually, managed by the Committee of the Dee. He has won many trophies at various regattas including Cowes Week. It remains a tourist attraction, hosting regattas, and theatrical events on its shores. Bewdley also hosts one of the largest inland river regattas in the country. Points are increased by members winning qualifying regattas. The lake is very popular at weekends for water-skiing and regattas. Under auspices if the ISA the following annual International regattas are organized.