| |
| 2008 |
| Outdoor |
| 47.12 | 3 | | Nagoya | 3 Nov |
| 2009 |
| Outdoor |
| 46.84 | 9q-17 | WY | Bressanone | 10 Jul |
| 48.14 | 9-17 | WY | Bressanone | 11 Jul |
| 2010 |
| Outdoor |
| 51.95 | 5 | | Fukuroi | 3 May |
| 49.72 | 1 | | Higashiosaka | 22 May |
| 53.44 | 1 | | Osaka | 28 May |
| 53.52 | 4 | NC | Marugame | 5 Jun |
| 51.07 | 1 | | Kobe | 17 Jun |
| 48.46 | 3-19 | AsC | Hanoi | 2 Jul |
| 57.31 NU20R | 1-HS | HS Ch | Okinawa | 29 Jul |
| 52.69 | 1-18 | Kokutai | Chiba | 3 Oct |
| 52.96 | 1-19 | NC-j | Nagoya | 15 Oct |
| 2011 |
| Outdoor |
| 49.99 | 2 | | Osaka | 5 Apr |
| 46.79 | 6 | | Wakayama | 24 Apr |
| 52.03 | 1 | | Nara | 5 May |
| 52.22 | 1 | | Osaka | 15 May |
| 54.03 | 4 | NC | Kumagaya | 11 Jun |
| 54.50 | 1 | | Hiratsuka | 17 Jun |
| 53.99 | 1 | Osaka Ch | Osaka | 26 Jun |
| 54.16 | 3 | AsC | Kobe | 7 Jul |
| 51.41 | 1 | | Gifu | 16 Jul |
| 53.13 | 1 | | Tokyo | 24 Jul |
| 50.65 | 1 | | Osaka | 13 Aug |
| 53.43 | 1 | Coll Ch | Kumamoto | 9 Sep |
| 52.71 | 1 | | Nagoya | 21 Oct |
| 2012 |
| Outdoor |
| 50.97 | 1 | | Kyoto | 19 Mar |
| 53.89 | 1 | | Osaka | 5 Apr |
| 55.13 | 4 | | Fukuroi | 3 May |
| 59.22 | 1 | | Osaka | 13 May |
| 57.35 | 4 | NC | Osaka | 10 Jun |
| 52.17 | 1 | | Hiratsuka | 22 Jun |
| 54.85 | 1 | Univ Ch | Tokyo | 9 Sep |
| 2013 |
| Outdoor |
| 52.93 | 1 | | Nara | 30 Mar |
| 52.96 | 2 | | Nara | 31 Mar |
| 53.00 | 3 | | Osaka | 4 Apr |
| 52.85 | 7 | Oda | Hiroshima | 29 Apr |
| 51.72 | 4 | | Osaka | 12 May |
| 51.38 | 11 | NC | Chofu | 7 Jun |
| 54.68 | 2 | Univ Ch | Tokyo | 6 Sep |
| 2014 |
| Outdoor |
| 47.93 | 1 | | Nara | 22 Mar |
| 47.48 | 1 | | Higashiosaka | 29 Mar |
| 48.26 | 2 | | Nara | 31 Mar |
| 54.42 | 1 | | Osaka | 3 Apr |
| 52.64 | 1 | | Kyoto | 11 Apr |
| 53.71 | 5 | Oda | Hiroshima | 29 Apr |
| 52.45 | 3 | | Osaka | 10 May |
| 50.32 | 1 | | Otsu | 25 May |
| 52.16 | 7 | NC | Fukushima | 6 Jun |
| 53.70 | 2 | | Hiratsuka | 20 Jun |
| 51.91 | 4 | | Osaka | 29 Jun |
| 51.61 | 3 | | Fukuoka | 5 Jul |
| 50.54 | 1 | | Kyoto | 12 Jul |
| 51.22 | 1 | | Osaka | 12 Aug |
| 47.44 | 2 | | Kashihara | 13 Aug |
| 51.86 | 7 | Univ Ch | Kumagaya | 5 Sep |
| 47.84 | 4 | | Osaka | 22 Oct |
| 2015 |
| Outdoor |
| 50.08 | 11 | Oda | Hiroshima | 19 Apr |
| 52.51 | 9 | NC | Niigata | 26 Jun |
| 48.69 | 7 | Corp Ch | Gifu | 26 Sep |
| 2016 |
| Outdoor |
| 53.69 | 2 | Classic | Brisbane | 19 Mar |
| | 51.10 51.30 53.69 49.38 X 50.19 |
| 56.57 | 1 | | Nara | 2 Apr |
| 54.89 | 5 | Oda | Hiroshima | 29 Apr |
| | 51.91 X 54.89 54.89 50.86 51.01 |
| 50.85 | 9 | Seiko | Kawasaki | 8 May |
| 54.37 | 3 | Kansai Ch | Nagai | 22 May |
| 56.19 | 4 | NC | Nagoya | 24 Jun |
| | 56.44 53.43 54.52 50.70 51.07 56.19 |
| 55.85 | 2 | Corp Ch | Osaka | 25 Sep |
| | 51.35 50.79 51.34 51.66 55.85 54.02 |
| 2017 |
| Outdoor |
| 54.06 | 2 | | Brisbane | 11 Mar |
| 53.60 | 1 | | Nara | 30 Mar |
| 53.71 | 1 | | Osaka | 8 Apr |
| 56.27 | 1 | | Osaka | 23 Apr |
| 57.95 | 4 | Oda | Hiroshima | 29 Apr |
| | 49.15 53.56 57.95 54.67 X 57.10 |
| 53.58 | 1 | | Nara | 5 May |
| 54.49 | 3 | | Osaka | 21 May |
| 59.10 | 4 | NC | Osaka | 24 Jun |
| | 58.38 54.05 59.10 56.71 58.74 58.65 |
| 58.94 | 2 | Nambu | Sapporo | 9 Jul |
| 55.90 | 2 | | Mokpo | 3 Sep |
| 56.88 | 2 | Corp Ch | Osaka | 23 Sep |
| | 56.70 56.88 54.46 53.68 53.41 54.40 |
| 54.86 | 1 | | Tajimi | 14 Oct |
| 2018 |
| Outdoor |
| 54.04 | 7 | Oda | Hiroshima | 29 Apr |
| | 53.32 X 54.04 X 52.93 53.82 |
| 59.18 | 2 | NC | Yamaguchi | 23 Jun |
| | 52.66 52.09 49.08 X 53.21 59.18 |
| 55.82 | 2 | v2Nat | Sapporo | 8 Jul |
| 56.38 | 1 | | Mokpo | 16 Sep |
| 59.12 | 1 | | Osaka | 22 Sep |
| 57.65 | 1 | | Kita-Kyushu | 28 Oct |
| 2019 |
| Outdoor |
| 54.80 | 2 | | Hamilton | 9 Feb |
| 51.91 | 7 | Classic | Brisbane | 23 Mar |
| 53.44 | 10 | Oda | Hiroshima | 28 Apr |
| | 52.80 X 53.44 |
| 53.29 | 6 | Kinami | Osaka | 6 May |
| | 49.44 53.29 52.89 51.78 X 53.22 |
| 55.54 | 1 | | Jyväskylä | 23 May |
| | 50.64 52.99 53.47 51.45 51.51 55.54 |
| 55.21 | 1 | | Kuortane | 30 May |
| | X 52.85 53.92 53.45 54.27 55.21 |
| 62.88 | 2 | NC | Fukuoka | 28 Jun |
| | 58.39 57.45 59.34 X X 62.88 |
| 52.82 | 3 | | Hiratsuka | 27 Jul |
| 56.86 | 1 | | Yokohama | 28 Jul |
| 56.48 | 2 | | Äänekoski | 8 Aug |
| | 50.02 55.14 50.73 55.74 56.48 56.25 |
| 53.25 | 2 | | Helsinki | 12 Aug |
| | 51.62 X 52.34 52.20 51.89 53.25 |
| 58.07 | 2 | | Fujiyoshida | 1 Sep |
| 55.03 | 29q | WC | Doha | 30 Sep |
| | 51.88 X 55.03 |
| 2020 |
| Outdoor |
| 60.59A | 1 | | Potchefstroom | 25 Feb |
| 52.62A | 2 | | Potchefstroom | 3 Mar |
| 53.30A | 3 | | Potchefstroom | 10 Mar |
| | 51.88 X 53.30 51.77 X 50.70 |
| 57.95 | 3 | Seiko | Tokyo | 23 Aug |
| 56.97 | 2 | Corp Ch | Kumagaya | 19 Sep |
| | 55.04 56.97 56.45 X 56.21 55.16 |
| 59.32 | 1 | NC | Niigata | 1 Oct |
| 60.69 | 1 | | Osaka | 24 Oct |
| | 51.37 53.12 57.12 58.08 58.19 60.69 |