Federation · JPN
Japan national best marks
Best mark per athlete by Japan athletes in each event, compiled from the all-time lists we import. Derived national bests — not official national records (see note below).
100
Stored athletes
42
Distinct marks shown
Men's Marathon
Derived 14 Sep 2026
| # | Athlete | Mark | Date | Venue | Age |
|---|---|---|---|---|---|
| 1 | Suguru Osako | 2:04:55 | 7 Dec 2025 | — | — |
| 2 | Kengo Suzuki | 2:04:56 | 28 Feb 2021 | — | — |
| 3 | Yohei Ikeda | 2:05:12 | 29 Sep 2024 | — | — |
| 4 | Yuya Yoshida | 2:05:16 | 1 Dec 2024 | — | — |
| 5 | Ryuta Kondo | 2:05:39 | 24 Feb 2025 | — | — |
| 6 | Ichitaka Yamashita | 2:05:51 | 5 Mar 2023 | — | — |
| 7 | Kyohei Hosoya | 2:05:58 | 24 Feb 2025 | — | — |
| 8 | Kenya Sonata | 2:05:59 | 5 Mar 2023 | — | — |
| 9 | Tsubasa Ichiyama | 2:06:00 | 2 Mar 2025 | — | — |
| 10 | Asahi Kuroda | 2:06:05 | 24 Feb 2025 | — | — |
| 11 | Shunya Kikuchi | 2:06:06 | 24 Feb 2025 | — | — |
| 12 | Hiroki Wakabayasi | 2:06:07 | 2 Feb 2025 | — | — |
| 13 | Yuta Shitara | 2:06:11 | 25 Feb 2018 | — | — |
| 14 | Hirohito Inoue | 2:06:14 | 2 Mar 2025 | — | — |
| 15 | Akira Akasaki | 2:06:15 | 21 Sep 2025 | — | — |
| 16 | Toshinari Takaoka | 2:06:16 | 13 Oct 2002 | — | — |
| 17 | Yuhei Urano | 2:06:23 | 2 Mar 2025 | — | — |
| 18 | Hidekazu Hijikata | 2:06:26 | 28 Feb 2021 | — | — |
| 19 | Yugo Kashiwa | 2:06:28 | 24 Feb 2025 | — | — |
| 20 | Yusuke Nishiyama | 2:06:31 | 3 Mar 2024 | — | — |
| 21 | Shohei Otsuka | 2:06:38 | 2 Feb 2025 | — | — |
| 22 | Ryu Takaku | 2:06:45 | 1 Mar 2020 | — | — |
| 22= | Kazuya Nishiyama | 2:06:45 | 26 Feb 2023 | — | — |
| 24 | Atsushi Fujita | 2:06:51 | 3 Dec 2000 | — | — |
| 24= | Yusuke Ogura | 2:06:51 | 28 Feb 2021 | — | — |
| 26 | Daisuke Uekado | 2:06:54 | 1 Mar 2020 | — | — |
| 27 | Takayuki Inubushi | 2:06:57 | 26 Sep 1999 | — | — |
| 28 | Toshiki Sadakata | 2:07:05 | 1 Mar 2020 | — | — |
| 29 | Tatsuya Maruyama | 2:07:06 | 2 Mar 2025 | — | — |
| 30 | Atsumi Ashiwa | 2:07:11 | 2 Feb 2025 | — | — |
| 30= | Sota Fukutani | 2:07:11 | 1 Feb 2026 | — | — |
| 32 | Shuho Dairokuno | 2:07:12 | 28 Feb 2021 | — | — |
| 33 | Atsushi Sato | 2:07:13 | 2 Dec 2007 | — | — |
| 34 | Shin Kimura | 2:07:20 | 1 Mar 2020 | — | — |
| 34= | Masato Kikuchi | 2:07:20 | 28 Feb 2021 | — | — |
| 36 | Shungo Yokota | 2:07:25 | 3 Mar 2024 | — | — |
| 37 | Kento Kikutani | 2:07:26 | 28 Feb 2021 | — | — |
| 38 | Yuta Shimoda | 2:07:27 | 1 Mar 2020 | — | — |
| 38= | Yuki Kawauchi | 2:07:27 | 28 Feb 2021 | — | — |
| 40 | Koki Yoshioka | 2:07:28 | 26 Feb 2023 | — | — |
| 41 | Riki Nakanishi | 2:07:29 | 24 Feb 2025 | — | — |
| 42 | Gaku Hoshi | 2:07:31 | 27 Feb 2022 | — | — |
| 42= | Shun Yuzawa | 2:07:31 | 6 Mar 2022 | — | — |
| 44 | Sinsaku Kudou | 2:07:34 | 1 Mar 2026 | — | — |
| 45 | Taisuke Kodama | 2:07:35 | 19 Oct 1986 | — | — |
| 46 | Kazuki Muramoto | 2:07:36 | 28 Feb 2021 | — | — |
| 47 | Yusuke Tamura | 2:07:38 | 29 Sep 2024 | — | — |
| 48 | Masato Imai | 2:07:39 | 22 Feb 2015 | — | — |
| 48= | Tadashi Isshiki | 2:07:39 | 1 Mar 2020 | — | — |
| 48= | Naoya Sakuda | 2:07:39 | 16 Mar 2025 | — | — |
One mark per athlete — the athlete's best while representing Japan. Equal marks share a rank ("1=" style). Showing the top 50 of 100 stored. An athlete with marks for two nations appears under each nation represented at the time (e.g. Obikwelu under Nigeria and Portugal).
About this derivation
These lists are derived from the marks in our database — including the complete legal all-time lists imported from alltime-athletics.com — grouped by the nation the athlete was representing at each mark. They are not official national records: federations ratify national records under their own eligibility rules, and some marks here may not qualify.