Japan competed at the 2015 World Aquatics Championships in Kazan, Russia from 24 July to 9 August 2015.
Medalists Medal Name Sport Event Date Swimming Women's 200 m butterfly Swimming Women's 200 m breaststroke Swimming Men's 400 m individual medley Swimming Women's 200 m individual medley Synchronized swimming Duet technical routine Aika HakoyamaYukiko InuiKei MarumoRisako MitsuiKanami NakamakiMai NakamuraKano OmataKurumi Yoshida Synchronized swimming Team technical routine Aika HakoyamaAiko HayashiYukiko InuiKei MarumoRisako MitsuiKanami NakamakiMai NakamuraKurumi Yoshida Synchronized swimming Team free routine Aika HakoyamaAiko HayashiYukiko InuiKei MarumoRisako MitsuiKanami NakamakiMai NakamuraKano OmataAsuka TasakiKurumi Yoshida Synchronized swimming Free routine combination
Diving
Japanese divers qualified for the individual spots and the synchronized teams at the World Championships.
Men AthleteEventPreliminariesSemifinalsFinalPointsRankPointsRankPointsRankSho Sakai3 m springboard411.1022Did not advanceKen Terauchi440.259 Q463.2510 Q468.159Takuma Hagita10 m platform290.7044Did not advanceYu Okamoto402.1021Did not advanceSho SakaiKen Terauchi3 m synchronized springboard394.509 Qcolspan=2 389.9411
Women AthleteEventPreliminariesSemifinalsFinalPointsRankPointsRankPointsRankMinami Itahashi3 m springboard235.5035Did not advanceSayaka Shibusawa289.7514 Q288.4514Did not advanceMinami Itahashi10 m platform344.656 Q305.3016Did not advanceNana Sasaki255.1031Did not advance
Mixed AthleteEventFinalPointsRankYu OkamotoMinami Itahashi10 m synchronized platform289.929
Open water swimming
Japan has fielded a team of four swimmers to compete in the open water marathon. Among the official roster are 2012 Olympians Yasunari Hirai and Yumi Kida.
AthleteEventTimeRankYasunari HiraiMen's 10 km1:50:28.311Yōsuke Miyamoto1:52:06.735Yumi KidaWomen's 10 km2:00:01.828
Swimming
Japanese swimmers have achieved qualifying standards in the following events (up to a maximum of 2 swimmers in each event at the A-standard entry time, and 1 at the B-standard): Swimmers must qualify at the 2015 Japanese Championships (for pool events) to confirm their places at the Worlds.
Twenty-four swimmers have been officially nominated to the Japanese team to compete in the Worlds, including defending champion Daiya Seto in the 400 m individual medley and Olympic medalists Ryosuke Irie, Ryo Tateishi, and Natsumi Hoshi. Japan's rising superstar Kosuke Hagino was set to compete, but later withdrew from the team due to elbow fracture.
Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankTsubasa Amai200 m freestyle1:50.0440Did not advance400 m freestyle3:52.0635colspan=2 Did not advanceTakuro Fujii100 m butterfly51.766 Q51.589Did not advanceRyosuke Irie100 m backstroke53.375 Q53.134 Q53.106200 m backstroke1:56.682 Q1:55.765 Q1:54.814Masaki Kaneko50 m backstroke25.4923Did not advance100 m backstroke54.1917Did not advance200 m backstroke1:57.639 Q1:57.3310Did not advanceTakeshi Kawamoto50 m butterfly23.6113 Q23.7416Did not advance100 m butterfly52.4121Did not advanceYuki Kobori200 m freestyle1:48.0918Did not advanceYasuhiro Koseki50 m breaststroke28.1330Did not advance100 m breaststroke59.9310 Q1:00.3114Did not advance200 m breaststroke2:10.4713 Q2:08.031 Q2:09.125Katsumi Nakamura50 m freestyle22.2510 Q22.1513Did not advance100 m freestyle49.0719Did not advanceMasato Sakai200 m butterfly1:55.977 Q1:54.753 Q1:54.244Daiya Seto200 m butterfly1:55.603 Q1:54.955 Q1:55.156200 m individual medley1:59.117 Q2:00.0514Did not advance400 m individual medley4:12.173 Qcolspan=2 4:08.50Shinri Shioura50 m freestyle22.3412 Q22.0811Did not advance100 m freestyle48.8414 Q48.9615Did not advanceRyo Tateishi100 m breaststroke1:01.2629Did not advance200 m breaststroke2:13.2325Did not advanceKatsumi NakamuraShinri ShiouraYuki KoboriTakuro Fujii4×100 m freestyle relay3:14.765 Qcolspan=2 3:15.046Yuki KoboriTsubasa AmaiNaito EharaDaiya Seto4×200 m freestyle relay7:11.5910colspan=2 Did not advanceTakuro FujiiRyosuke IrieYasuhiro KosekiShinri Shioura4×100 m medley relay3:32.824 Qcolspan=2 3:31.106
Women AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankSayaka Akase100 m backstroke1:01.62=29Did not advanceNatsumi Hoshi100 m butterfly58.4715 Q58.4514Did not advance200 m butterfly2:07.975 Q2:06.361 Q2:05.56Chihiro Igarashi200 m freestyle1:58.31=13 Q1:57.7511Did not advance400 m freestyle4:13.4320colspan=2 Did not advance400 m individual medley4:43.0616colspan=2 Did not advanceRikako Ikee50 m butterfly26.6619Did not advanceRie Kaneto50 m breaststroke31.9931Did not advance100 m breaststroke1:07.7118Did not advance200 m breaststroke2:25.7515 Q2:22.886 Q2:23.196Yayoi Matsumoto50 m freestyle25.9038Did not advance100 m freestyle55.7132Did not advanceSachi Mochida200 m freestyle1:59.3520Did not advanceSakiko Shimizu200 m individual medley2:12.278 Q2:11.5310Did not advance400 m individual medley4:36.166 Qcolspan=2 4:37.196Miki Uchida50 m freestyle25.3322Did not advance100 m freestyle54.22=10 Q54.3012Did not advanceKanako Watanabe100 m breaststroke1:06.815 Q1:06.645 Q1:06.434200 m breaststroke2:23.291 Q2:22.153 Q2:21.15200 m individual medley2:10.373 Q2:09.613 Q2:08.45Misaki Yamaguchi50 m butterfly26.6820Did not advanceMiki UchidaRikako IkeeMisaki YamaguchiYayoi Matsumoto4×100 m freestyle relay3:38.479colspan=2 Did not advanceChihiro IgarashiRikako IkeeSachi MochidaTomomi Aoki4×200 m freestyle relay7:54.586 Qcolspan=2 7:54.627Sayaka AkaseNatsumi HoshiMiki UchidaKanako Watanabe4×100 m medley relay4:00.438 Qcolspan=2
Mixed AthleteEventHeatFinalTimeRankTimeRankYuki KoboriNaito EharaRikako IkeeMisaki Yamaguchi4×100 m freestyle relay3:28.5410Did not advance
Synchronized swimming
Japan fielded a full squad of twelve synchronized swimmers (one male and eleven female) to compete in each of the following events.
Women AthleteEventPreliminariesFinalPointsRankPointsRankYukiko InuiSolo technical routine89.58515 Q90.76035Solo free routine91.73335 Q92.43335Yukiko InuiRisako MitsuiDuet technical routine90.35043 Q92.0079Duet free routine93.53333 Q93.43334Aika HakoyamaYukiko InuiKei MarumoRisako MitsuiKanami NakamakiMai NakamuraKano OmataKurumi YoshidaTeam technical routine91.65164 Q92.4133Aika HakoyamaAiko HayashiYukiko InuiKei MarumoRisako MitsuiKanami NakamakiMai NakamuraKurumi YoshidaTeam free routine93.70003 Q93.9000Aika HakoyamaAiko HayashiYukiko InuiKei MarumoRisako MitsuiKanami NakamakiMai NakamuraKano OmataAsuka TasakiKurumi YoshidaFree routine combination92.60003 Q93.8000
Mixed AthleteEventPreliminariesFinalPointsRankPointsRankAtsushi AbeYumi AdachiDuet technical routine81.87245 Q82.35095Duet free routine84.96677 Q84.90007
Water polo
Men's tournament
Team roster
Katsuyuki Tanamura Seiya Adachi Atsushi Arai Mitsuaki Shiga Akira Yanase Atsuto Iida Yusuke Shimizu Yuki Kadono Koji Takei Kenya Yasuda Keigo Okawa Shota Hazui Tomoyoshi Fukushima
Group play
13th–16th place semifinals
13th place game
Women's tournament
Team roster
Rikako Miura Chiaki Sakanoue Yuri Kazama Shino Magariyama Moe Nakata Ayaka Takahashi Yumi Nakano Mitsuki Hashiguchi Kana Hosoya Tsubasa Mori Marina Tokumoto Kotori Suzuki Yuko Umeda
Group play
13th–16th place semifinals
15th place game
References
External links