Cook Islands competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.

Open water swimming

MenOpen Water Qualifiers - Men AthleteEventFinalTimePositionHayden VickersMen's 5km1:11:02.150

Swimming

Cook Islands qualified 2 swimmers.

Men AthleteEventHeatsSemifinalsFinalTimeRankTimeRankTimeRankTepaia PayneMen's 50m Freestyle26.5078did not advanceMen's 100m Freestyle58.5986did not advance

Women AthleteEventHeatsSemifinalsFinalTimeRankTimeRankTimeRank Celeste BrownWomen's 50m Freestyle29.5958did not advanceWomen's 100m Freestyle1:05.7665did not advance

References