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Welcome to International Ice Swimming Association – Aotearoa New Zealand.

2024 Ice swimming pools champs in Otago, New Zealand

What is Ice Swimming?

Ice Swimming is swimming in water at a temperature of 5.0C / 41.0F (or less) unassisted, with a silicon cap, pair of goggles and standard swimming costume. IISA has established a comprehensive set of safety and swimming rules together with worldwide swim records. IISA has members in 73 countries and Ice Swimmers [1km+] in 43 countries