Kaien Hoshiyama
- Born
- Jun 2, 2006 (20 years old)
- Events
- 300 Metres
Kaien Hoshiyama is a Japan sprinter, born on June 2, 2006. He competes primarily in the 100m, 200m and 300m.
His personal bests include 10.88 in the 100m, 21.52 in the 200m and 34.10 in the 300m. He ranks 54th all-time in the 300m for Japan. He is currently active on the international athletics circuit, representing Japan.
Personal best · 300 Metres34.10
2025 season best10.97Jul 20, 2025 · Athletics Stadium, Nagaoka
Last competition79th Niigata Pref ChampionshipsJul 20, 2025 · 10.97
As of Nov 13, 2026: 300 Metres 34.10, 2025 season best 10.97 (Jul 20, 2025, Athletics Stadium, Nagaoka (JPN)) · Last competition: 79th Niigata Pref Championships, Jul 20, 2025, 10.97 · 20 years old
Personal bests
WA points calculator →DisciplineResultAll-time
300mNiigata 202434.10976 pts–
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 100m | 10.97 | +2.6 | Jul 20, 2025 | 79th Niigata Pref Championships |
| 2024 | 200m | 21.80 | +1.3 | Aug 25, 2024 | 68th Hokuriku area Athletics Championships |
| 2024 | 300m | 34.10 | – | Jul 13, 2024 | 78th Niigata Pref Championships |
| 2023 | 100m | 10.88 | +1.1 | Jul 15, 2023 | 77th Niigata Prefectural Championships, Denka Big Swan Stadium, Niigata |
| 2023 | 200m | 21.52 | +2.4 | Jun 18, 2023 | 62nd Hokushinetsu High School Championships, Athletics Stadium, Toyama |
| 2023 | 300m | 35.17 | – | Oct 21, 2023 | 17th JAAF U18 Athletics Competition |
| 2022 | 100m | 10.90 | +0.6 | Jul 17, 2022 | Niigatashi Field, Niigata (JPN) |
| 2022 | 200m | 22.43 | +0.3 | May 29, 2022 | Niigatashi Field, Niigata (JPN) |