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
Shuya Matsumoto21.6427 Jul 2025
Shuya Matsumoto21.6427 Jul 2025100 Free100 FreestyleTatsuya Murasa47.833 Sep 2026
Tatsuya Murasa47.833 Sep 2026200 Free200 FreestyleTatsuya Murasa1:44.5429 Jul 2025
Tatsuya Murasa1:44.5429 Jul 2025400 Free400 FreestyleKosuke Hagino3:43.9012 Apr 2014
Kosuke Hagino3:43.9012 Apr 2014800 Free800 FreestyleKaito Tabuchi7:43.8624 Sep 2026
Kaito Tabuchi7:43.8624 Sep 20261500 Free1500 FreestyleKazushi Imafuku14:42.5915 Aug 2026
Kazushi Imafuku14:42.5915 Aug 202650 Back50 BackstrokeJunya Koga24.242 Aug 2009
Junya Koga24.242 Aug 2009100 Back100 BackstrokeRyosuke Irie52.245 Sep 2009
Ryosuke Irie52.245 Sep 2009200 Back200 BackstrokeRyosuke Irie1:52.5131 Jul 2009
Ryosuke Irie1:52.5131 Jul 200950 Breast50 BreaststrokeTaku Taniguchi26.6529 Jul 2025
Taku Taniguchi26.6529 Jul 2025100 Breast100 BreaststrokeShin Ohashi58.5413 Aug 2026
Shin Ohashi58.5413 Aug 2026200 Breast200 BreaststrokeShin Ohashi2:04.8324 Sep 2026
Shin Ohashi2:04.8324 Sep 202650 Fly50 ButterflyShoon Mitsunaga24 Sep 2026Shoon Mitsunaga19 Mar 2026Taikan Tanaka20 Mar 2025
Shoon Mitsunaga24 Sep 2026Shoon Mitsunaga19 Mar 2026Taikan Tanaka20 Mar 202523.0623.0623.06
24 Sep 2026
19 Mar 2026
20 Mar 2025
100 Fly100 ButterflyShoon Mitsunaga50.5623 Sep 2026
Shoon Mitsunaga50.5623 Sep 2026200 Fly200 ButterflyDaiya Seto1:52.5318 Jan 2020
Daiya Seto1:52.5318 Jan 2020200 IM200 IMKosuke Hagino1:55.079 Apr 2016
Kosuke Hagino1:55.079 Apr 2016400 IM400 IMTomoyuki Matsushita4:05.833 Sep 2026
Tomoyuki Matsushita4:05.833 Sep 20264×50 Free4×50 FreestyleJapanShinri ShiouraAkira NambaKaiya SekiKatsumi Nakamura1:27.483 Jul 2021
JapanShinri ShiouraAkira NambaKaiya SekiKatsumi Nakamura1:27.483 Jul 20214×100 Free4×100 FreestyleJapanTatsuya MurasaShuya MatsumotoKatsuhiro MatsumotoShoon Mitsunaga3:11.9624 Sep 2026
JapanTatsuya MurasaShuya MatsumotoKatsuhiro MatsumotoShoon Mitsunaga3:11.9624 Sep 20264×200 Free4×200 FreestyleJapanTatsuya MurasaKatsuhiro MatsumotoKazusa KurodaTomoyuki Matsushita7:01.0521 Sep 2026
JapanTatsuya MurasaKatsuhiro MatsumotoKazusa KurodaTomoyuki Matsushita7:01.0521 Sep 20264×50 Medley4×50 MedleyJapanRiku MatsuyamaTaku TaniguchiKatsuhiro MatsumotoAkira Namba1:36.447 Jun 2025
JapanRiku MatsuyamaTaku TaniguchiKatsuhiro MatsumotoAkira Namba1:36.447 Jun 20254×100 Medley4×100 MedleyJapanHidekazu TakeharaShin OhashiShoon MitsunagaTatsuya Murasa3:28.7022 Sep 2026
JapanHidekazu TakeharaShin OhashiShoon MitsunagaTatsuya Murasa3:28.7022 Sep 20264×100 Free4×100 FreestyleJapanKatsumi NakamuraKatsuhiro MatsumotoRika OmotoAya Sato3:24.6727 Jul 2019
JapanKatsumi NakamuraKatsuhiro MatsumotoRika OmotoAya Sato3:24.6727 Jul 20194×100 Medley4×100 MedleyJapanRyosuke IrieYasuhiro KosekiRikako IkeeTomomi Aoki3:40.989 Aug 2018
JapanRyosuke IrieYasuhiro KosekiRikako IkeeTomomi Aoki3:40.989 Aug 2018