Chile competed at the 2023 World Aquatics Championships in Fukuoka, Japan from 14 to 30 July.
Artistic swimming
Chile entered 10 artistic swimmers.
Women AthleteEventPreliminariesFinalPointsRankPointsRank Antonia Mella Solo technical routine 174.3566 17 Did not advance Isidora Letelier Rocío Vargas Duet technical routine 172.4133 28 Did not advance
Mixed AthleteEventPreliminariesFinalPointsRankPointsRank Nicolás Campos Theodora Garrido Duet free routine 125.3354 12 Q 119.1291 12 Duet technical routine 177.4817 8 Q 200.4767 8 Nicolás Campos Soledad García Trinidad García Theodora Garrido Isidora Letelier Antonia Mella Josefa Morales Rocío Vargas Team technical routine 176.9279 18 Did not advance Barbara Coppelli Theodora Garrido Soledad García Trinidad García Isidora Letelier Antonia Mella Josefa Morales Rocío Vargas Team free routine 182.3626 14 Did not advance Soledad García Trinidad García Theodora Garrido Isidora Letelier Josefa Morales Antonia Mella Fiona Prieto Rocío Vargas Team acrobatic routine 154.2067 16 Did not advance
Diving
Chile entered 2 divers.
Men AthleteEventPreliminariesSemifinalsFinalPointsRankPointsRankPointsRank Diego Carquín 1 m springboard 224.80 59colspan=2 Did not advance 3 m springboard 278.35 54 Did not advance Donato Neglia 1 m springboard 283.85 41colspan=2 Did not advance 3 m springboard 274.35 59 Did not advance
Swimming
Chile entered 4 swimmers.
Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRank Eduardo Cisternas 400 metre freestyle 3:53.8029 colspan="2" Did not advance 800 metre freestyle 8:18.0635 colspan="2" Did not advance Mariano Lazzerini 50 metre breaststroke 28.44 33 Did not advance 100 metre breaststroke 1:01.97 36 Did not advance
Women AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRank Kristel Köbrich 800 metre freestyle 8:37.09 19colspan="2" Did not advance 1500 metre freestyle 16:11.25 10colspan="2" Did not advance Inés Marín 100 metre freestyle 56.90 NR 33 Did not advance 200 metre freestyle 2:02.20 37 Did not advance
References