Kazuya Yamaguchi
- Born
- Aug 25, 1997 (29 years old)
- Events
- Half Marathon · 10 000 m
Kazuya Yamaguchi is a Japan middle-distance runner, born on August 25, 1997. He competes primarily in the 800m, 1500m and 5000m.
His personal bests include 1:56.82 in the 800m, 3:57.79 in the 1500m, 13:49.18 in the 5000m, 28:43.85 in the 10000m and 1:02:35 in the Semi. He is currently active on the international athletics circuit, representing Japan.
Personal best · Half Marathon1:02:35
2025 season best14:36Mar 15, 2025 · Ohori Park, Fukuoka
Personal best · 10 000 m28:43.85
Last competitionThe Fst in FukuokaMar 15, 2025 · 14:36
As of Nov 14, 2026: Half Marathon 1:02:35, 10 000 m 28:43.85, 2025 season best 14:36 (Mar 15, 2025, Ohori Park, Fukuoka (JPN)) · Last competition: The Fst in Fukuoka, Mar 15, 2025, 14:36 · 29 years old
Personal bests
WA points calculator →DisciplineResultAll-time
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 5Kilometre | 14:36 | – | Mar 15, 2025 | The Fst in Fukuoka |
| 2024 | 5000m | 14:06.17 | – | Apr 29, 2024 | 58th Oda Mikio Memorial |
| 2024 | 10000m | 29:35.42 | – | May 11, 2024 | 63rd Chugoku Corporate Athletics Championship |
| 2024 | Semi | 1:05:47 | – | Feb 11, 2024 | 52nd Yamaguchi All-Corporate Half Marathon Championships |
| 2023 | 5000m | 14:12.13 | – | Sep 24, 2023 | 71st All Japan Corporate Teams Athletics Championships |
| 2023 | 10000m | 28:43.85 | – | Apr 8, 2023 | 1st Chugoku Corporate Long Distance Challenge, Municipal Stadium, Miyoshi |
| 2023 | Marathon | 2:18:52 | – | Feb 12, 2023 | 61st Nobeoka Nishinippon Marathon |
| 2022 | 5000m | 13:49.18 | – | Oct 1, 2022 | Municipal Stadium, Miyoshi (JPN) |