Koshin Yamakawa
JPNMenKoshin Yamakawa is a Japan thrower, born on April 13, 2001. He competes primarily in the SP, DT and HT.
His personal bests include 12.33 in the SP, 43.10 in the DT, 68.10 in the HT and 65.44 in the HammerThro. He is currently active on the international athletics circuit, representing Japan.
As of Sep 29, 2026: Hammer Throw 68.10, 2026 season best 67.34 (Jun 13, 2026, Municipal Mizuho Stadium, Nagoya (JPN)) · Last competition: Japanese Championships, Jun 13, 2026, 67.34 · 25 years old
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | SP | 12.33 | - | May 9, 2026 | - | 70th Central Japan Corporate Teams Athletics Championships |
| 2026 | DT | 43.10 | - | May 10, 2026 | - | 70th Central Japan Corporate Teams Athletics Championships |
| 2026 | HT | 67.34 | - | Jun 13, 2026 | ↓ | Japanese Championships |
| 2025 | HT | 68.10 | - | Jul 5, 2025 | ↓ | Japanese Championships, National Stadium, Tokyo |
| 2024 | HT | 67.11 | - | Jun 27, 2024 | ↓ | Japanese Championships |
| 2023 | HT | 66.79 | - | Sep 16, 2023 | ↓ | 92nd Japan Inter-University Athletics Championships, Prefectural Stadium, Kumagaya |
| 2022 | HT | 63.69 | - | Sep 9, 2022 | ↓ | Takebishi Stadium, Kyoto (JPN) |
| 2021 | HT | 65.82 | - | Sep 19, 2021 | ↓ | Prefectural Stadium, Kumagaya (JPN) |
| 2020 | HT | 59.10 | - | Aug 1, 2020 | ↓ | Chukyo Univ. Stadium, Toyota (JPN) |
| 2020 | HammerThro | 62.50 | - | Oct 23, 2020 | ↓ | Municipal Stadium, Hiroshima (JPN) |
| 2019 | HammerThro | 65.44 | - | Oct 4, 2019 | ↓ | 74th National Sports Festival, Prefectural Kasamatsu Stadium, Hitachinaka |
| 2018 | HammerThro | 60.77 | - | Oct 21, 2018 | ↓ | Nagoya (JPN) |
2026
9 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
HT | 67.34 | - | Jun 13 | Japanese Championships |
HT | 67.34 | - | Jun 12 | Japanese Championships |
DT | 43.10 | - | May 10 | 70th Central Japan Corporate Teams Athletics Championships |
HT | 63.64 | - | May 10 | 70th Central Japan Corporate Teams Athletics Championships |
SP | 12.33 | - | May 9 | 70th Central Japan Corporate Teams Athletics Championships |
HT | 64.19 | - | May 3 | 41st Shizuoka International Athletics Meet |
HT | 58.51 | - | Apr 4 | The 38th Umemura School Athletics Competition |
HT | 60.17 | - | Mar 21 | 8th Chukyo University Saturday Competition |
HT | 59.74 | - | Feb 7 | 7th Chukyo University Saturday Competition |
2025
14 performances2024
13 performances2023
11 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
HT | 66.79 | - | Sep 16 | 92nd Japan Inter-University Athletics Championships, Prefectural Stadium, Kumagaya |
HT | 62.40 | - | Aug 27 | 66th Tokai Athletics Championships |
HT | 62.95 | - | Jul 29 | 20th Tajima Naoto Memorial, Ishin Me-Life Stadium, Yamaguchi |
HT | 63.14 | - | Jun 17 | 76th West Japan Inter-University Championships, Nagaragawa Stadium, Gifu |
HT | 63.14 | - | Jun 16 | 76th West Japan Inter-University Championships, Nagaragawa Stadium, Gifu |
HT | NM | - | Jun 1 | Japanese Championships, Yanmar Stadium Nagai, Osaka |
HT | 65.68 | - | May 27 | Tokai Inter-University Track & Field Championships |
HT | 65.68 | - | May 26 | Tokai Inter-University Track & Field Championships |
HT | 62.15 | - | May 3 | 38th Shizuoka International Athletics Meet, Prefectural Shizuoka Stadium, Fukuroi |
HT | 65.52 | - | Apr 23 | All Japan University Track & Field Challenge |
HT | 65.52 | - | Apr 22 | All Japan University Track & Field Challenge |
2022
3 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
HT | 60.21 | - | Oct 22 | 49th Tokai Student Autumn Ch., Nagaragawa Stadium, Gifu |
HT | 58.29 | - | Oct 16 | 19th Tajima Naoto Memorial, Ishin Me-Life Stadium, Yamaguchi |
HT | 63.69 | - | Sep 9 | 91st Japan Inter-University Athletics Championships, Takebishi Stadium, Kyoto |
Honours
No medals
Frequently asked questions
What is Koshin Yamakawa's Hammer Throw personal best?
Koshin Yamakawa's Hammer Throw personal best is 68.10, set on Jul 5, 2025 in National Stadium, Tokyo (JPN).
Which events does Koshin Yamakawa compete in?
Koshin Yamakawa competes in the Hammer Throw.
How did Koshin Yamakawa perform in 2026?
2026 season best: 67.34, set on Jun 13, 2026 in Municipal Mizuho Stadium, Nagoya (JPN). Last competition: Japanese Championships on Jun 13, 2026, 67.34.