Jakub Majerski notched a winning time of 51.06 in the 100m fly in his native Poland, beating the 51.32 he produced for bronze at the 2024 World Championships.
Arno Kamminga won the 100 breast (56.49) over Caspar Corbeau (56.90) as both swimmers finished under Corbeau's previous meet record from prelims (57.51).