Saint Lucia competed at the 2017 World Aquatics Championships in Budapest, Hungary from 14 July to 30 July.

Swimming

Saint Lucia has received a Universality invitation from FINA to send three swimmers (two men and one woman) to the World Championships.

AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankJayhan Odlum-SmithMen's 50 m backstroke29.9548did not advanceMen's 50 m butterfly26.9967did not advanceJean-Luc ZephirMen's 50 m freestyle23.76=71did not advanceMen's 100 m freestyle51.9865did not advanceMikaili CharlemagneWomen's 50 m freestyle28.2660did not advanceWomen's 100 m freestyle1:02.59 66did not advance

References