Eswatini competed at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Competitors
SportBoysGirlsTotalAthletics 1 1 2Swimming 0 1 1
Athletics
Boys AthleteEventStage 1Stage 2TotalResultRankResultRankTotalRankBongumenzi MbingoBoys' 100 m11.70611.18422.8827
Girls AthleteEventStage 1Stage 2TotalResultRankResultRankTotalRankKhanyisile HlatshwakoGirls' 1500 m5:12.56816:005121:12.5616
Swimming
Girls AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankRobyn Young100 m freestyle1:06.5345did not advance50 m backstroke32.3434did not advance100 m backstrokedid not advance
References