Note: Single-source report; awaiting corroboration.
According to the official World Aquatics website, no competition data is available for the 2026 Open Water Swimming World Cup at this time.
The event page for the 2026 World Aquatics Open Water Swimming World Cup in Setubal, Portugal (Stop 4) does not provide schedules, results, or rankings.
All event information remains unavailable, as the website indicates that competition details have not yet been released.