Note: Single-source report; awaiting corroboration.
The final leg of the 2026 Open Water Swimming World Cup will be held on 20-21 June in Setubal, Portugal, in the open Atlantic Ocean waters.
Setubal has a strong tradition in hosting the World Cup, having served as the venue 16 times since 2007. The city also hosted Olympic Marathon Swim Qualifier events in 2012, 2016, and 2021.