Kira Toussaint broke the Dutch Record in the 100 back leading off their medley relay in Glasgow.
Mathys Goosen was among the meet record-setters on the final day of the 2018 Swim Cup The Hague.
Arno Kamminga went 59.69 in the 100 breast and Kyle Stolk went 49.21 in the 100 free, setting new meet records.
Kira Toussaint and Arno Kamminga were also both under the qualification times for the 2018 European Championships.
Ferry Weertman, le champion olympique (à Rio de Janeiro) et du monde (à Budapest) du 10 kilomètres, a enlevé les 200, 400 et 1500 mètres à Hoofddorp.