Triple Crown of Open Water Swimming

The Triple Crown of Open Water Swimming is a marathon swimming challenge consisting of three historically important swims: The English Channel, 33 kilometres (21 mi) between France and England The Catalina Channel, 32.5 kilometres (20.2 mi) between Catalina Island and the California mainland The 20 Bridges Swim (formerly known as Manhattan Island Swim), a 48.5-kilometre (30.1 mi) circumnavigation of Manhattan Island, New York City. As of October 2025, 400 swimmers had earned this distinction.

Source: Wikipedia — Triple Crown of Open Water Swimming (CC BY-SA 4.0)