Japan competed at the 2024 World Aquatics Championships in Doha, Qatar from 2 to 18 February.

Medalists Medal Name Sport Event Date Tomoru Honda Swimming Men's 200 metre butterfly 14 February 2024 Artistic swimming Team free routine 9 February 2024 Artistic swimming Team technical routine 4 February 2024 Daiya Seto Swimming Men's 400 metre individual medley 18 February 2024

Competitors The following is the list of competitors in the Championships. SportMenWomenTotalArtistic swimming 0 10 10Diving 5 5 10Open water swimming 2 2* 4*Swimming 9 3* 12*Water polo 15 0 15Total 31 19* 50* Ichika Kajimoto competed in both open water swimming and pool swimming.

Artistic swimming

Women AthleteEventPreliminariesFinalPointsRankPointsRankMoe HigaMashiro Yasunaga Duet technical routine Did not start Did not advance Mixed AthleteEventPreliminariesFinalPointsRankPointsRank Moe HigaMoeka KijimaUta KobayashiTomoka SatoAyano ShimadaAmi WadaMashiro YasunagaMegumu Yoshida Team technical routine 282.4379 2 Q 275.8787 Moe HigaMoeka KijimaUta KobayashiTomoka SatoAmi WadaAkane YanagisawaMashiro YasunagaMegumu Yoshida Team free routine 319.4124 2 Q 315.2229 Moka FujiiMoe HigaTomoka Sato Ayano ShimadaAmi WadaAkane YanagisawaMashiro YasunagaMegumu Yoshida Team acrobatic routine 209.8801 8 Q 206.7434 7

Diving

Men AthleteEventPreliminariesSemifinalsFinalPointsRankPointsRankPointsRankKai Kaneto1 m springboard290.5523colspan=2 Did not advance10 m platform261.3039 Did not advanceSho Sakai3 m springboard383.5012 Q393.258 Q414.609Haruki Suyama3 m springboard371.4019 Did not advanceReo NishidaShuta Yamada10 m synchro platformcolspan=4 319.98 16 Women AthleteEventPreliminariesSemifinalsFinalPointsRankPointsRankPointsRankMatsuri Arai10 m platform253.2023 Did not advanceHaruka Enomoto3 m springboard258.5014 Q282.408 Q265.2011Rin Kaneto10 m platform279.7515 Q271.1013 Did not advanceSayaka Mikami3 m springboard279.457 Q258.7013 Did not advanceMatsuri AraiMinami Itahashi10 m synchro platformcolspan=4 270.90 9

Open water swimming

Men AthleteEventTimeRank Kaiki Furuhata Men's 10 km 1:53:58.5 45Taishin Minamide Men's 10 km 1:49:57.2 25 Women AthleteEventTimeRankAiri Ebina Women's 10 km 1:57:35.5 11Ichika Kajimoto Women's 10 km 1:58:17.4 21

Swimming

Japan entered 12 swimmers.

Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankRiki Abe200 metre individual medley1:59.484 Q1:59.6010colspan="2" Ikuru Hiroshima200 metre breaststroke2:10.733 Q2:09.434 Q2:09.375Tomoru Honda100 metre butterflyDid not startcolspan="4" 200 metre butterfly1:56.569 Q1:55.202 Q1:53.88400 metre individual medleyDid not startcolspan="2" colspan="2" Nao Horomura200 metre butterfly1:57.521:57.4616 S/off2colspan="4" Osamu Kato100 metre backstroke54.7022colspan="4" 200 metre backstroke1:58.8213 Q1:58.9715colspan="2" Katsuhiro Matsumoto200 metre freestyle1:46.848 Q1:46.5310colspan="2" rowspan=2 100 metre butterfly51.602 Q51.859Daiya Seto200 metre individual medley1:58.262 Q1:57.854 Q1:57.544400 metre individual medley4:13.063 Qcolspan="2" 4:12.51Shinri Shioura50 metre freestyle22.2222colspan="4" rowspan=2 50 metre butterfly24.1631Shogo Takeda800 metre freestyle7:57.5425colspan="2" rowspan=2 colspan="2" rowspan=2 1500 metre freestyle15:04.5014 Osamu Kato Ikuru Hiroshima Nao Horomura Riki Abe 4 × 100 m medley relay 3:39.91 20colspan="2" colspan="2" Women AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankChiharu Iitsuka50 metre butterfly26.8524colspan="4" 100 metre butterfly58.357 Q58.017 Q58.238Nagisa Ikemoto50 metre freestyle25.6528colspan="4" 100 metre freestyle54.7010 Q54.7613colspan="2" 200 metre freestyle2:00.1121colspan="4" 100 metre butterfly58.7311 Q58.6111colspan="2" Ichika Kajimoto400 metre freestyle4:09.6510colspan="2" rowspan="4" colspan="2" 800 metre freestyle8:35.258 Q8:29.2461500 metre freestyle16:27.9613colspan="2" 400 metre individual medley4:42.856 Q4:43.618 Mixed AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRank Osamu Kato Ikuru Hiroshima Chiharu Iitsuka Nagisa Ikemoto 4 × 100 m medley relay 3:46.92 6colspan="2" 3:47.608

Water polo

Summary TeamEventGroup stagePlayoffQuarterfinalSemifinalFinal / OppositionScoreOppositionScoreOppositionScoreRankOppositionScoreOppositionScoreOppositionScoreOppositionScoreRankMen's tournament L 10–17 L 5–18 L 11–13 4 W 17–4 W 22–11 13

Men's tournament

Team roster

Group play

13–16th place semifinals

13th place game

References