The 2026 European Swimming Championships are underway, and the mixed 4x100 medley relay lineups for the morning heats have been released. Nations are testing combinations ahead of the final tonight, with some surprises and strategic rests. France, the Netherlands, Spain, Germany, Great Britain, World Champions NAB, Italy, Poland, and Greece are all represented, each with their own unique team compositions and strategies. The preliminary heats showcase a variety of talent and tactics, setting the stage for an exciting final round. As the competition progresses, the anticipation builds for the evening's showdown, where the best teams will battle for the top spots. The mixed medley relay is a highlight of the Championships, bringing together swimmers from different disciplines and nations in a thrilling display of versatility and teamwork.