Costa Rica competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.
Open water swimming
MenOpen Water Qualifiers – Men AthleteEventFinalTimePositionJeffry VillalobosMen's 5km1:10:06.149Men's 10kmOTLRodolfo SanchezMen's 5km1:08.16.446Men's 10kmDNS
Swimming
Costa Rica qualified 3 swimmers.
Men AthleteEventHeatsSemifinalsFinalTimeRankTimeRankTimeRankJose MontoyaMen's 50m Freestyle24.1248did not advanceMen's 100m Freestyle52.9660did not advanceMario MontoyaMen's 200m Freestyle1:52.6443did not advanceMen's 400m Freestyle4:00.8834did not advance
Women AthleteEventHeatsSemifinalsFinalTimeRankTimeRankTimeRank Marie Laura MezaWomen's 100m Butterfly1:05.0542did not advanceWomen's 200m Butterfly2:23.6832did not advance
Synchronised swimming
Costa Rica has qualified 3 athletes in synchronised swimming.Athletes Listed in Synchronized Swimming
Women AthleteEventPreliminaryFinalPointsRankPointsRank Violeta MitinianSolo Technical Routine69.30028did not advanceSolo Free Routine68.85027did not advance Nadezhda GomezVioleta MitinianDuet Technical Routine65.80040did not advanceDuet Free Routine63.75043did not advance
Reserve Carolina Bolanos
References