Ecuador competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.

Open water swimming

Ecuador qualified three male and three female open water swimmers.

Men AthleteEventTimeRankDavid CastroMen's 5 km53:41.9=19Men's 10 km1:50:14.431Esteban EndericaMen's 10 km1:48:07.311David FarinangoMen's 5 km53:50.433

Women AthleteEventTimeRankAna AbadWomen's 5 km1:07:09.351Samantha ArévaloWomen's 10 km1:55:22.818Women's 25 km5:12:22.110Nataly CaldasWomen's 5 km1:01:41.941Women's 10 km2:02:03.544

Mixed AthleteEventTimeRankDavid FarinangoNataly CaldasAna AbadDavid CastroTeam59:37.920

Swimming

Ecuador entered two swimmers.

Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankTomas Peribonio200 m individual medley2:00.0719did not advance400 m individual medley4:17.8317colspan=2did not advance

Women AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankAnicka Delgado100 m freestyle56.6741did not advance50 m butterfly27.48=34did not advance

References