Personal Bests| Event | Result | Venue | Date |
|---|
| 1500m | 3:43.94 | Joensuu (FIN) | 24.07.2014 | | 3000m | 7:44.63 | Oordegem (BEL) | 03.07.2010 | | 5000m | 13:13.60 | Heusden-Zolder (BEL) | 13.07.2013 | | 10,000m | 27:38.25 | Berkeley, CA (USA) | 24.04.2009 | | 10 Miles Road | 46:35 | Kosa (JPN) | 09.12.2007 | | Half Marathon | 1:00:35 | Ishin Me-Life Stadium, Yamaguchi (JPN) | 12.02.2023 | | 30 km Road | 1:30:57 | Kumamoto (JPN) | 19.02.2023 | | Marathon | 2:08:17 | Tokyo (JPN) | 06.03.2022 | | Road Relay | 1:58:58 | Chiba (JPN) | 23.11.2005 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2003 | 3:50.18 | Nagasaki (JPN) | 30.07.2003 | | 2004 | 3:49.86 | Hamayama (JPN) | 03.08.2004 | | 2005 | 3:47.30 | Tokyo (JPN) | 13.05.2005 | | 2007 | 3:45.07 | Kumamoto (JPN) | 07.04.2007 | | 2012 | 3:47.27 | Kumagaya (JPN) | 19.05.2012 | | 2013 | 3:46.73 | Ibaraki (JPN) | 18.05.2013 | | 2014 | 3:43.94 | Joensuu (FIN) | 24.07.2014 | | 2015 | 3:51.12 | Kumamoto (JPN) | 04.04.2015 | | 2021 | 3:53.69 | Yanmar Stadium Nagai, Osaka (JPN) | 16.05.2021 | | 2023 | 3:50.74 | Naruto Sports Park, Tokushima (JPN) | 14.05.2023 |
| Year | Result | Venue | Date |
|---|
| 2002 | 8:19.19 | Haruno (JPN) | 24.10.2002 | | 2003 | 8:38.45 | Sherbrooke (CAN) | 10.07.2003 | | 2006 | 7:56.23 | Malmö (SWE) | 22.08.2006 | | 2009 | 7:53.56 | Gent (BEL) | 21.07.2009 | | 2010 | 7:44.63 | Oordegem (BEL) | 03.07.2010 | | 2013 | 8:05.01 | Tokyo (JPN) | 01.06.2013 | | 2018 | 7:56.73 | Yanmar Stadium Nagai, Osaka (JPN) | 20.05.2018 |
| Year | Result | Venue | Date |
|---|
| 2002 | 14:06.99 | Yokohama (JPN) | 01.12.2002 | | 2003 | 14:02.82 | Fukuroi (JPN) | 29.10.2003 | | 2004 | 13:45.23 | Hamayama (JPN) | 05.08.2004 | | 2005 | 13:31.72 | Nobeoka (JPN) | 21.05.2005 | | 2006 | 13:23.57 | Stadio Quercia, Rovereto (ITA) | 30.08.2006 | | 2007 | 13:52.57 | Tokyo (JPN) | 10.06.2007 | | 2008 | 13:51.52 | Tokyo (JPN) | 14.09.2008 | | 2009 | 13:30.46 | Nobeoka (JPN) | 30.05.2009 | | 2010 | 13:27.36 | Heusden-Zolder (BEL) | 10.07.2010 | | 2011 | 13:25.53 | Nobeoka (JPN) | 28.05.2011 | | 2012 | 13:28.79 | Sollentuna (SWE) | 05.07.2012 | | 2013 | 13:13.60 | Heusden-Zolder (BEL) | 13.07.2013 | | 2014 | 13:34.97 | Incheon (KOR) | 27.09.2014 | | 2015 | 13:47.02 | Kumamoto (JPN) | 04.04.2015 | | 2017 | 13:43.44 | Setagaya, Tokyo (JPN) | 08.04.2017 | | 2018 | 13:42.92 | Nobeoka (JPN) | 05.05.2018 | | 2020 | 13:34.71 | Athletics Stadium, Hadano (JPN) | 17.10.2020 | | 2021 | 13:35.74 | Athletics Stadium, Shibetsu (JPN) | 03.07.2021 | | 2022 | 13:33.61 | Aoba Park Athletic Field, Chitose (JPN) | 16.07.2022 |
| Year | Result | Venue | Date |
|---|
| 2004 | 28:07.39 | Hachioji (JPN) | 27.11.2004 | | 2005 | 28:27.50 | Kobe (JPN) | 24.04.2005 | | 2006 | 28:07.02 | Kobe (JPN) | 23.04.2006 | | 2007 | 27:51.65 | Fukuroi (JPN) | 14.10.2007 | | 2008 | 29:03.54 | Tokyo (JPN) | 29.11.2008 | | 2009 | 27:38.25 | Berkeley, CA (USA) | 24.04.2009 | | 2010 | 28:18.62 | Niigata (JPN) | 24.09.2010 | | 2011 | 27:59.60 | Palo Alto, CA (USA) | 01.05.2011 | | 2012 | 27:57.07 | Palo Alto, CA (USA) | 29.04.2012 | | 2013 | 27:39.50 | Palo Alto, CA (USA) | 28.04.2013 | | 2014 | 27:46.59 | Palo Alto, CA (USA) | 04.05.2014 | | 2015 | 27:57.13 | Palo Alto, CA (USA) | 02.05.2015 | | 2017 | 28:09.01 | Nobeoka (JPN) | 06.05.2017 | | 2019 | 28:08.34 | Abashiri (JPN) | 22.07.2019 | | 2020 | 27:41.84 | Yanmar Stadium Nagai, Osaka (JPN) | 04.12.2020 | | 2021 | 28:22.74 | Yanmar Stadium Nagai, Osaka (JPN) | 25.09.2021 | | 2022 | 28:37.70 | Athletics Stadium, Fukagawa (JPN) | 06.07.2022 |
| Year | Result | Venue | Date |
|---|
| 2007 | 46:35 | Kosa (JPN) | 09.12.2007 | | 2009 | 47:09 | Kosa (JPN) | 06.12.2009 |
| Year | Result | Venue | Date |
|---|
| 2007 | 1:04:08 | Kyoto (JPN) | 11.03.2007 | | 2017 | 1:02:53 | Valencia (ESP) | 22.10.2017 | | 2018 | 1:02:33 | Marugame (JPN) | 04.02.2018 | | 2019 | 1:02:30 | Sendai (JPN) | 12.05.2019 | | 2020 | 1:01:06 | Marugame (JPN) | 02.02.2020 | | 2022 | 1:00:46 | Yamaguchi (JPN) | 13.02.2022 | | 2023 | 1:00:35 | Ishin Me-Life Stadium, Yamaguchi (JPN) | 12.02.2023 |
|
