Share Japan Masters Open Water Swimming Open 2026 20 October 2026 1 min read Aquatics Calendar Competitions Reset All Sports Swimming Water Polo Diving Artistic Swimming Open Water High Diving Calendar type All calendars International Masters World Aquatics Year 2027 2026 2025 Month All months January February March April May June July August September October November December Apply Filters Back FinishedOpen WaterDates23 May 2026VenueTokyo HarbourLocationJPNTokyo, JapanCalendarMasters
