Record holders and times as printed in the official record book—not live meet results.
As printed: 2026年10月25日. Official source (PDF)
50 Free50 Freestyle
Kosuke Matsui20.9526 Oct 2019
Kosuke Matsui20.9526 Oct 2019100 Free100 FreestyleKatsumi Nakamura46.2211 Dec 2018
Katsumi Nakamura46.2211 Dec 2018200 Free200 FreestyleKatsuhiro Matsumoto1:41.2918 Dec 2022
Katsuhiro Matsumoto1:41.2918 Dec 2022400 Free400 FreestyleKatsuhiro Matsumoto3:36.8715 Dec 2022
Katsuhiro Matsumoto3:36.8715 Dec 2022800 Free800 FreestyleKaito Tabuchi7:32.7610 Oct 2026
Kaito Tabuchi7:32.7610 Oct 20261500 Free1500 FreestyleKaito Tabuchi14:14.1610 Oct 2026
Kaito Tabuchi14:14.1610 Oct 202650 Back50 BackstrokeJunya Koga22.818 Dec 2016
Junya Koga22.818 Dec 2016100 Back100 BackstrokeMasaki Kaneko49.6511 Aug 2017
Masaki Kaneko49.6511 Aug 2017200 Back200 BackstrokeMasaki Kaneko1:48.2517 Jan 2016
Masaki Kaneko1:48.2517 Jan 201650 Breast50 BreaststrokeTaku Taniguchi25.4311 Oct 2026
Taku Taniguchi25.4311 Oct 2026100 Breast100 BreaststrokeYuya Hinomoto55.7716 Oct 2021
Yuya Hinomoto55.7716 Oct 2021200 Breast200 BreaststrokeShin Ohashi2:00.1212 Oct 2026
Shin Ohashi2:00.1212 Oct 202650 Fly50 ButterflyHiroto Naito22.1615 Feb 2025
Hiroto Naito22.1615 Feb 2025100 Fly100 ButterflyTomonobu Gomi48.5812 Oct 2026
Tomonobu Gomi48.5812 Oct 2026200 Fly200 ButterflyTomoru Honda1:46.8522 Oct 2022
Tomoru Honda1:46.8522 Oct 2022100 IM100 IMKosuke Makino51.0610 Oct 2026
Kosuke Makino51.0610 Oct 2026200 IM200 IMTomoyuki Matsushita1:50.4212 Oct 2026
Tomoyuki Matsushita1:50.4212 Oct 2026400 IM400 IMTomoyuki Matsushita3:54.3311 Oct 2026
Tomoyuki Matsushita3:54.3311 Oct 20264×50 Free4×50 FreestyleJapanKosuke MatsuiMasahiro KawaneTakeshi KawamotoKatsumi Nakamura1:23.8015 Dec 2022
JapanKosuke MatsuiMasahiro KawaneTakeshi KawamotoKatsumi Nakamura1:23.8015 Dec 20224×100 Free4×100 FreestyleJapanKatsumi NakamuraShinri ShiouraReo SakataKosuke Hagino3:07.793 Dec 2014
JapanKatsumi NakamuraShinri ShiouraReo SakataKosuke Hagino3:07.793 Dec 20144×200 Free4×200 FreestyleJapanTenma WatanabeKatsuhiro MatsumotoHidenari ManoShuya Matsumoto6:52.0416 Dec 2022
JapanTenma WatanabeKatsuhiro MatsumotoHidenari ManoShuya Matsumoto6:52.0416 Dec 20224×50 Medley4×50 MedleyJapanTakeshi KawamotoYuya HinomotoYuya TanakaMasahiro Kawane1:31.2817 Dec 2022
JapanTakeshi KawamotoYuya HinomotoYuya TanakaMasahiro Kawane1:31.2817 Dec 20224×100 Medley4×100 MedleyJapanRyosuke IrieYasuhiro KosekiTakeshi KawamotoKatsumi Nakamura3:21.0716 Dec 2018
JapanRyosuke IrieYasuhiro KosekiTakeshi KawamotoKatsumi Nakamura3:21.0716 Dec 20184×50 Free4×50 FreestyleJapanKatsumi NakamuraKosuke MatsuiAya SatoRuna Imai1:29.5112 Dec 2018
JapanKatsumi NakamuraKosuke MatsuiAya SatoRuna Imai1:29.5112 Dec 20184×50 Medley4×50 MedleyJapanKaiya SekiTaku TaniguchiMizuki HiraiYume Jinno1:37.2911 Dec 2024
JapanKaiya SekiTaku TaniguchiMizuki HiraiYume Jinno1:37.2911 Dec 2024