Argentina competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
Artistic swimming
Argentina's artistic swimming team consisted of 2 athletes (2 female).
Women AthleteEventPreliminariesFinalPointsRankPointsRankTrinidad LópezSolo technical routine68.089026did not advanceCamila ArreguiSolo free routine74.633325did not advanceCamila ArreguiTrinidad LópezDuet technical routine75.543530did not advanceDuet free routine75.933329did not advance
Open water swimming
Argentina qualified two male and one female open water swimmers.
Men AthleteEventTimeRankSantiago ArtetaMen's 10 km1:50:24.140Joaquin Moreno1:51:45.746
Women AthleteEventTimeRankJulia ArinoWomen's 5 km58:17.926Women's 10 km1:56:32.232
Swimming
Argentina has entered three swimmers.
Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankJoaquin Moreno800 m freestyle8:18.2433colspan=2did not advance1500 m freestyle15:48.9831colspan=2did not advanceRoberto Strelkov50 m butterfly23.9933did not advance100 m butterfly54.1139did not advance
Women AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankJulia Arino800 m freestyle9:04.0234colspan=2did not advance1500 m freestyle17:17.9927colspan=2did not advance
References