MarathonSwimming is a swimming competition in open water, and the distance is more than 10 km. This sport first appeared at the FINA Open Water Swimming World Championships in 2000, and marathon swimming first appeared at the Olympic Games in 2008.
The highest organization for marathon swimming is the International Swimming Federation, which was founded in 1908 and headquartered in Lausanne, Switzerland. The highest organization of China Marathon Swimming is China Swimming Association, which was established in 1959 and headquartered in Beijing, China.