| |
| 5000m Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2008 |
| Outdoor |
| 20:19.31 | 1 | | Matsumoto | 13 Jul |
| 2010 |
| Outdoor |
| 19:28.66 | 1 | Hokuren | Kushiro | 10 Jul |
| 2011 |
| Outdoor |
| 19:22.93 | 1 | | Kumagaya | 21 May |
| 2013 |
| Outdoor |
| 20:00.04 | 3 | | Naka | 18 May |
| 2014 |
| Outdoor |
| 19:18.27 | 1 | East Japan Ch | Fukushima | 17 May |
| 19:19.2h | 2 | | Melbourne | 6 Dec |
| 2015 |
| Outdoor |
| 19:44.86 | 4 | | Kumagaya | 16 May |
| 2019 |
| Outdoor |
| 19:45.62 | 3 | | Kumagaya | 19 May |
| 2020 |
| Outdoor |
| 19:35.58 | 6 | Corp Ch | Kumagaya | 19 Sep |
|
| 2008
20:19.31w | 1 | Matsumoto | 13 Jul | |
| 2010
19:28.66w | 1 | Kushiro | 10 Jul | |
| 2011
19:22.93w | 1 | Kumagaya | 21 May | |
| 2013
20:00.04w | 3 | Naka | 18 May | |
| 2014
19:18.27w | 1 | Fukushima | 17 May | |
| 2015
19:44.86 w | 4 | Kumagaya | 16 May | |
| 2019
19:45.62w | 3 | Kumagaya | 19 May | |
| 2020
19:35.58w | 6 | Kumagaya | 19 Sep | |
| |
| 10,000m Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2006 |
| Outdoor |
| 42:40.13 | 6 | Kokutai | Kobe | 9 Oct |
| 2007 |
| Outdoor |
| 41:33.51 | 3 | Kanto Coll | Tokyo | 18 May |
| 41:53.78 | 5 | Kokutai | Akita | 8 Oct |
| 2008 |
| Outdoor |
| 41:26.06 | 1 | | Kofu | 5 Apr |
| 42:28.99 | 2 | | Tokyo | 18 May |
| 41:09.87 | 1 | Univ Ch | Hiratsuka | 7 Jun |
| 41:37.18 | 2 | Univ Ch | Tokyo | 12 Sep |
| 40:48.00 | 3 | Kokutai | Oita | 6 Oct |
| 2009 |
| Outdoor |
| 39:15.0h AR | 1 | | Tokyo | 17 May |
| 40:30.47 | 2 | Univ Ch | Tokyo | 4 Sep |
| 40:40.00 | 2 | Kokutai | Niigata | 4 Oct |
| 2010 |
| Outdoor |
| 39:29.36 | 2 | Corp Ch | Niigata | 25 Sep |
| 40:32.29 | 3 | Kokutai | Chiba | 3 Oct |
| 2011 |
| Outdoor |
| 39:55.21 | 1 | Corp Ch | Naruto | 24 Sep |
| 40:13.62 | 1 | Kokutai | Yamaguchi | 9 Oct |
| 2012 |
| Outdoor |
| 41:57.09 | 6 | Kokutai | Gifu | 7 Oct |
| 2013 |
| Outdoor |
| 40:38.44 | 2 | Corp Ch | Kumagaya | 21 Sep |
| 40:36.01 | 5 | Kokutai | Chofu | 6 Oct |
| 2014 |
| Outdoor |
| 39:25.70 | 3 | Corp Ch | Yamaguchi | 11 Oct |
| 39:41.69 | 4 | Kokutai | Isahaya | 21 Oct |
| 2015 |
| Outdoor |
| 41:35.51 | 7 | Corp Ch | Gifu | 26 Sep |
| 42:26.80 | 7 | Kokutai | Wakayama | 4 Oct |
| 2016 |
| Outdoor |
| 41:11.90 | 6 | Corp Ch | Osaka | 24 Sep |
| 2017 |
| Outdoor |
| 40:48.81 | 2 | | Canberra | 29 Jan |
| 41:44.13 | 6 | Kokutai | Matsuyama | 8 Oct |
| 2019 |
| Outdoor |
| 41:11.45 | 6 | | Canberra | 9 Jan |
| 40:09.76 | 4 | Classic | Canberra | 28 Jan |
| 2020 |
| Outdoor |
| 40:10.6h | 3 | | Melbourne | 12 Jan |
| 43:16.6h | 5 | | Melbourne | 27 Jan |
|
| 2006
42:40.13w | 6 | Kobe | 9 Oct | |
| 2007
41:33.51w | 3 | Tokyo | 18 May | |
| 2008
40:48.00w | 3 | Oita | 6 Oct | |
| 2009
39:15.0hw | 1 | Tokyo | 17 May | |
| 2010
39:29.36w | 2 | Niigata | 25 Sep | |
| 2011
39:55.21w | 1 | Naruto | 24 Sep | |
| 2012
41:57.09w | 6 | Gifu | 7 Oct | |
| 2013
40:36.01w | 5 | Chofu | 6 Oct | |
| 2014
39:25.70w | 3 | Yamaguchi | 11 Oct | |
| 2015
41:35.51w | 7 | Gifu | 26 Sep | |
| 2016
41:11.90w | 6 | Osaka | 24 Sep | |
| 2017
40:48.81w | 2 | Canberra | 29 Jan | |
| 2019
40:09.76w | 4 | Canberra | 28 Jan | |
| 2020
40:10.6hw | 3 | Melbourne | 12 Jan | |
| |
| 10km Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2005 |
| Outdoor |
| 44:35 | 2-19 | | Wajima | 17 Apr |
| 2011 |
| Outdoor |
| 39:19 | 6 | IAAF Chall | La Coruña | 17 Sep |
|
| 2005
44:35w | 2-19 | Wajima | 17 Apr | |
| 2011
39:19w | 6 | La Coruña | 17 Sep | |
| |
| 20km Race Walk |
| Outdoor Alltime
Show/hide |
| races under 1:20:00: 6 |
| 2007 |
| Outdoor |
| 1:23:07 | 2 | | Tokyo | 1 Jan |
| 1:23:33 | 5 | AsC | Neagari | 25 Mar |
| 2008 |
| Outdoor |
| 1:23:01 | 6 | NC | Kobe | 27 Jan |
| 1:24:40 | 6 | AsC | Nomi | 16 Mar |
| 2009 |
| Outdoor |
| 1:22:10 | 3 | NC | Kobe | 25 Jan |
| 1:21:00 | 4 | AsC | Nomi | 15 Mar |
| 1:22:12 | 6 | WUG | Beograd | 9 Jul |
| 1:25:12 | 29 | WC | Berlin | 15 Aug |
| 2010 |
| Outdoor |
| 1:22:40 | 5 | NC | Kobe | 31 Jan |
| 1:25:13 | 5 | IAAF Chall | Hobart | 13 Feb |
| 1:20:12 | 2 | AsC | Nomi | 14 Mar |
| 1:27:19A | 22 | WCp | Chihuahua | 16 May |
| 1:22:51 | 12 | | La Coruña | 19 Jun |
| 1:24:00 | 4 | AsianG | Guangzhou | 21 Nov |
| 2011 |
| Outdoor |
| DNF | | NC | Kobe | 20 Feb |
| 1:24:32 | 5 | AsC | Nomi | 13 Mar |
| 1:22:11 | 1 | IAAF Chall | Sesto San Giovanni | 1 May |
| 1:22:01 | 1 | | Takahata | 30 Oct |
| 2012 |
| Outdoor |
| 1:20:38 | 1 | NC | Kobe | 18 Feb |
| 1:21:43 | 4 | AsC | Nomi | 11 Mar |
| 1:22:05 | 10 | WCp | Saransk | 12 May |
| 1:21:48 | 18 | OG | London | 4 Aug |
| 2013 |
| Outdoor |
| 1:20:50 | 6 | NC | Kobe | 17 Feb |
| 1:21:37 | 2 | NC | Nomi | 10 Mar |
| 1:24:43 | 16 | | La Coruña | 1 Jun |
| 2014 |
| Outdoor |
| 1:22:48 | 1 | | Tokyo | 1 Jan |
| 1:20:03 | 3 | NC | Kobe | 16 Feb |
| 1:20:23 | 1 | | Nomi | 16 Mar |
| 1:21:07 | 24 | WCp | Taicang | 4 May |
| 1:21:38 | 5 | | La Coruña | 31 May |
| 1:21:55 | 2 | | Takahata | 26 Oct |
| 1:22:05 | 1 | | Melbourne | 14 Dec |
| 2015 |
| Outdoor |
| races under 1:20:00: 1 |
| DQ | | NC | Kobe | 15 Feb |
| 1:19:08 | 2 | | Nomi | 15 Mar |
| 1:22:49 | 21 | IAAF Chall | La Coruña | 6 Jun |
| 1:21:51 | 13 | WC | Beijing | 23 Aug |
| DNF | | | Melbourne | 13 Dec |
| 2016 |
| Outdoor |
| races under 1:20:00: 1 |
| 1:18:45 | 2 | NC | Kobe | 21 Feb |
| 1:20:49 | 10 | | Nomi | 20 Mar |
| 1:26:54 | 69 | WTC | Roma | 7 May |
| 1:22:03 | 21 | OG | Rio de Janeiro | 12 Aug |
| 2017 |
| Outdoor |
| races under 1:20:00: 1 |
| 1:26:39 | 6 | | Tokyo | 1 Jan |
| 1:18:23 | 2 | NC | Kobe | 19 Feb |
| 1:27:49 | 13 | | Taicang | 15 Apr |
| 1:20:04 | 11 | WC | London | 13 Aug |
| 2018 |
| Outdoor |
| races under 1:20:00: 1 |
| 1:19:15 | 5 | NC | Kobe | 18 Feb |
| 1:22:06 | 5 | | Nomi | 18 Mar |
| 1:22:54 | 7 | WTC | Taicang | 6 May |
| 2019 |
| Outdoor |
| races under 1:20:00: 2 |
| 1:18:53 | 4 | NC | Kobe | 17 Feb |
| 1:17:52 | 5 | AsC | Nomi | 17 Mar |
| 1:24:41 | 56 | | La Coruña | 8 Jun |
| 2020 |
| Outdoor |
| 1:20:15 | 4 | NC | Kobe | 16 Feb |
| Unknown irregularity |
| 1:20:24 | 5 | | Nomi | 15 Mar |
|
| 2007
1:23:07w | 2 | Tokyo | 1 Jan | |
| 2008
1:23:01w | 6 | Kobe | 27 Jan | |
| 2009
1:21:00w | 4 | Nomi | 15 Mar | |
| 2010
1:20:12w | 2 | Nomi | 14 Mar | |
| 2011
1:22:01w | 1 | Takahata | 30 Oct | |
| 2012
1:20:38w | 1 | Kobe | 18 Feb | |
| 2013
1:20:50w | 6 | Kobe | 17 Feb | |
| 2014
1:20:03w | 3 | Kobe | 16 Feb | |
| 2015
1:19:08w | 2 | Nomi | 15 Mar | |
| 2016
1:18:45w | 2 | Kobe | 21 Feb | |
| 2017
1:18:23w | 2 | Kobe | 19 Feb | |
| 2018
1:19:15w | 5 | Kobe | 18 Feb | |
| 2019
1:17:52w | 5 | Nomi | 17 Mar | |
| 2020
1:20:15w | 4 | Kobe | 16 Feb | |
| |
| 50km Race Walk |
| Outdoor Alltime
Show/hide |
| |
| 2018 |
| Outdoor |
| 3:58:49 | 6 | | Takahata | 28 Oct |
| 2019 |
| Outdoor |
| 3:52:21 | 4 | | Takahata | 27 Oct |
|
| 2018
3:58:49w | 6 | Takahata | 28 Oct | |
| 2019
3:52:21w | 4 | Takahata | 27 Oct | |