Namibia competed at the 2025 World Aquatics Championships in Singapore from 11 July to 3 August 2025.
Competitors The following is the list of competitors in the Championships. SportMenWomenTotalOpen water swimming 2 2 4Swimming 2 0 2Total 4 2 6
Open water swimming
Men AthleteEventHeatsSemi-finalFinalTimeRankTimeRankTimeRankNico EsslingerMen's 3 km knockout sprints17:52.419Did not advanceTristan Nell20:38.128Did not advanceNico EsslingerMen's 5 kmcolspan=41:02:47.949Tristan Nellcolspan=4Nico EsslingerMen's 10 kmcolspan=42:11:53.447
Women AthleteEventHeatsSemi-finalFinalTimeRankTimeRankTimeRankMadison BerghWomen's 3 km knockout sprints20:31.525Did not advanceReza Westerduin20:29.426Did not advanceMadison BerghWomen's 5 kmcolspan=41:16:56.268Reza Westerduincolspan=41:15:42.665
Mixed AthleteEventFinalTimeRankMadison BerghNico EsslingerTristan NellReza WesterduinTeam relay1:22:07.521
Swimming
Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankJose Canjulo100 m freestyle53.71 76Did not advance200 m individual medley2:19.5646Did not advanceRonan Wantenaar50 m breaststroke26.85 NR7 Q26.9410Did not advance100 m breaststroke1:00.6321Did not advance
References