Open Water Swimming Marathon Kalamata – Koroni

Started in 1958 when 14 swimmers swam 1 kilometer in a coastal village in Asturias, Galicia in northern Spain

Field is limited to 25 solo swimmers and 18 relay teams that start and finish at Battery Park City. Fields sells out in less than 45 minutes. Race first held in 1927. Substantial surface chop and strong tidal pull are possible. Water temperature varies between 17 – 19°C (64 – 67°F). Course may also include random jetsam and flotsam. A Qualifying Swim must be completed before application will be accepted.

Solo and 5-person relay race in blue, clean 22 – 27°C (71 – 81°F waters in the back half of Hong Kong Island. Swells can get large with heavy surface chop depending on the wind.