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| 3000m Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2008 |
| Outdoor |
| 13:45.56 | 1 | | Tokyo | 20 Jun |
| 12:42.96 | 1 | | Kumagaya | 20 Jul |
| 13:11.19 | 1 | HS Ch | Kumagaya | 30 Jul |
| 2009 |
| Outdoor |
| 13:28.19 | 1 | | Kumagaya | 8 May |
| 12:44.38 | 1 | | Kumagaya | 19 Jul |
| 12:55.38 | 1-HS | HS Ch | Nara | 30 Jul |
|
| 2008
12:42.96w | 1 | Kumagaya | 20 Jul | |
| 2009
12:44.38w | 1 | Kumagaya | 19 Jul | |
| |
| 5000m Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2009 |
| Outdoor |
| 21:45.09 | 1 | | Chiba | 22 Aug |
| 2010 |
| Outdoor |
| 22:43.51 | 1 | | Kumagaya | 25 Jun |
| 2011 |
| Outdoor |
| 22:08.60 | 1 | | Kumagaya | 29 Apr |
| 2013 |
| Outdoor |
| 23:08.60 | 1 | | Nagano | 1 Jun |
| 2014 |
| Outdoor |
| 22:10.03 | 1 | East Japan Ch | Fukushima | 17 May |
| 2015 |
| Outdoor |
| 21:17.97 | 1 | | Kumagaya | 16 May |
| 2016 |
| Outdoor |
| 21:21.00 | 1 | | Kumagaya | 21 May |
| 21:24.94 | 1 | Kokutai | Kitakami | 10 Oct |
| 2017 |
| Outdoor |
| Mixed competition |
| Mixed competition |
| 21:28.23 mx | 1 | | Yuwa | 20 May |
| 2019 |
| Outdoor |
| 20:42.25 NR | 1 | | Kumagaya | 19 May |
| 2020 |
| Outdoor |
| 21:33.22 | 1 | | Inzai | 25 Oct |
|
| 2009
21:45.09w | 1 | Chiba | 22 Aug | |
| 2010
22:43.51w | 1 | Kumagaya | 25 Jun | |
| 2011
22:08.60w | 1 | Kumagaya | 29 Apr | |
| 2013
23:08.60w | 1 | Nagano | 1 Jun | |
| 2014
22:10.03w | 1 | Fukushima | 17 May | |
| 2015
21:17.97w | 1 | Kumagaya | 16 May | |
| 2016
21:21.00w | 1 | Kumagaya | 21 May | |
| 2019
20:42.25w NR | 1 | Kumagaya | 19 May | |
| 2020
21:33.22w | 1 | Inzai | 25 Oct | |
| |
| 10,000m Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2008 |
| Outdoor |
| 48:26.48 | 2 | | Kanazawa | 4 May |
| 47:01.45 | 3-19 | AsC | Jakarta | 14 Jun |
| 46:10.26 | 8-19 | WJ | Bydgoszcz | 9 Jul |
| 2009 |
| Outdoor |
| 45:41.80 NU20R | 3 | Kokutai | Niigata | 5 Oct |
| 2010 |
| Outdoor |
| 46:23.18 | 1-19 | NC-j | Kanazawa | 2 May |
| 45:23.83 NU20R | 1 | Kanto Coll Ch | Tokyo | 16 May |
| 45:56.15 | 2-19 | WJ | Moncton | 21 Jul |
| 46:56.21 | 1 | Coll Ch | Tokyo | 12 Sep |
| 44:34.13 NU20R | 2 | Kokutai | Chiba | 4 Oct |
| 2011 |
| Outdoor |
| 46:37.85 | 1 | Kanto Ch | Tokyo | 21 May |
| 46:48.76 | 1 | Coll Ch | Kumamoto | 11 Sep |
| 46:34.62 | 2 | Kokutai | Yamaguchi | 10 Oct |
| 2012 |
| Outdoor |
| 47:43.47 | 1 | Univ Ch | Tokyo | 10 Sep |
| 2013 |
| Outdoor |
| 47:07.79 | 1 | | Yokohama | 25 May |
| 47:08.70 | 1 | Univ Ch | Tokyo | 8 Sep |
| 2014 |
| Outdoor |
| 44:10.29 | 1 | Corp Ch | Yamaguchi | 11 Oct |
| Mixed competition |
| 44:32.02 mx | 1 | | Tama | 13 Dec |
| 2015 |
| Outdoor |
| 43:26.13 | 1 | Hokuren | Abashiri | 16 Jul |
| 43:55.05 | 1 | Corp Ch | Gifu | 26 Sep |
| 44:10.91 | 1 | Kokutai | Wakayama | 5 Oct |
| 2016 |
| Outdoor |
| 45:18.13 | 1 | Corp Ch | Osaka | 24 Sep |
| 2017 |
| Outdoor |
| 44:50.80 | 1 | Hokuren | Abashiri | 13 Jul |
| 2018 |
| Outdoor |
| 43:55.22 | 1 | | Osaka | 22 Sep |
| 2019 |
| Outdoor |
| 42:51.82 | 1 | | Nagasaki | 8 Dec |
| 2020 |
| Outdoor |
| 44:11.56 | 1 | | Inzai | 14 Nov |
|
| 2008
46:10.26w | 8-19 | Bydgoszcz | 9 Jul | |
| 2009
45:41.80w NU20R | 3 | Niigata | 5 Oct | |
| 2010
44:34.13w NU20R | 2 | Chiba | 4 Oct | |
| 2011
46:34.62w | 2 | Yamaguchi | 10 Oct | |
| 2012
47:43.47w | 1 | Tokyo | 10 Sep | |
| 2013
47:07.79w | 1 | Yokohama | 25 May | |
| 2014
44:10.29w | 1 | Yamaguchi | 11 Oct | |
| 2015
43:26.13w | 1 | Abashiri | 16 Jul | |
| 2016
45:18.13w | 1 | Osaka | 24 Sep | |
| 2017
44:50.80w | 1 | Abashiri | 13 Jul | |
| 2018
43:55.22w | 1 | Osaka | 22 Sep | |
| 2019
42:51.82w | 1 | Nagasaki | 8 Dec | |
| 2020
44:11.56w | 1 | Inzai | 14 Nov | |
| |
| 5km Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2008 |
| Outdoor |
| 23:08 | 1-19 | | Kobe | 27 Jan |
| 2010 |
| Outdoor |
| 23:02 | 1-19 | NC | Kobe | 31 Jan |
|
| 2008
23:08w | 1-19 | Kobe | 27 Jan | |
| 2010
23:02w | 1-19 | Kobe | 31 Jan | |
| |
| 10km Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2015 |
| Outdoor |
| 43:32 | 1 | | Kanazawa | 19 Apr |
| 2019 |
| Outdoor |
| 44:11 | 1 | | Tokyo | 1 Jan |
|
| 2015
43:32w | 1 | Kanazawa | 19 Apr | |
| 2019
44:11w | 1 | Tokyo | 1 Jan | |
| |
| 20km Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2011 |
| Outdoor |
| 1:34:30 | 4 | AsC | Nomi | 13 Mar |
| 1:54:07 | 15 | WUG | Shenzhen | 19 Aug |
| 2012 |
| Outdoor |
| 1:34:27 | 3 | NC | Kobe | 18 Feb |
| 2013 |
| Outdoor |
| 1:32:22 | 2 | NC | Kobe | 17 Feb |
| 2014 |
| Outdoor |
| 1:33:59 | 4 | NC | Kobe | 16 Feb |
| 1:33:25 | 1 | | Nomi | 16 Mar |
| 1:35:37 | 53 | WCp | Taicang | 3 May |
| 2015 |
| Outdoor |
| 1:31:57 | 1 | NC | Kobe | 15 Feb |
| 1:29:46 | 2 | AsC | Nomi | 15 Mar |
| 1:35:43 | 13 | IAAF Chall | La Coruña | 6 Jun |
| 1:34:56 | 25 | WC | Beijing | 28 Aug |
| 2016 |
| Outdoor |
| 1:29:40 | 1 | NC | Kobe | 21 Feb |
| 1:30:03 | 3 | | Nomi | 20 Mar |
| 1:32:42 | 16 | OG | Rio de Janeiro | 19 Aug |
| 2017 |
| Outdoor |
| 1:29:40 | 1 | NC | Kobe | 19 Feb |
| 1:33:21 | 5 | | Nomi | 19 Mar |
| 1:31:19 | 18 | WC | London | 13 Aug |
| 2018 |
| Outdoor |
| 1:32:22 | 1 | NC | Kobe | 18 Feb |
| 1:31:29 | 22 | WTC | Taicang | 5 May |
| 1:34:02 | 3 | AsianG | Jakarta | 29 Aug |
| 2019 |
| Outdoor |
| 1:28:26 | 2 | NC | Kobe | 17 Feb |
| 1:27:41 NR | 6 | | La Coruña | 8 Jun |
| 1:34:36 | 6 | WC | Doha | 30 Sep |
| 2020 |
| Outdoor |
| 1:29:56 | 1 | NC | Kobe | 16 Feb |
|
| 2011
1:34:30w | 4 | Nomi | 13 Mar | |
| 2012
1:34:27w | 3 | Kobe | 18 Feb | |
| 2013
1:32:22w | 2 | Kobe | 17 Feb | |
| 2014
1:33:25w | 1 | Nomi | 16 Mar | |
| 2015
1:29:46w | 2 | Nomi | 15 Mar | |
| 2016
1:29:40w | 1 | Kobe | 21 Feb | |
| 2017
1:29:40w | 1 | Kobe | 19 Feb | |
| 2018
1:31:29w | 22 | Taicang | 5 May | |
| 2019
1:27:41w NR | 6 | La Coruña | 8 Jun | |
| 2020
1:29:56w | 1 | Kobe | 16 Feb | |