Kouya Hayashi
- Born
- Aug 24, 2008 (18 years old)
- Events
- 20 km race walk
Kouya Hayashi is a Japan middle-distance runner, born on August 24, 2008. He competes primarily in the 3000m-short-track, 10Kilometr and 5000m-short-track.
His personal bests include 11:58.20 in the 3000m-short-track, 42:32 in the 10Kilometr and 21:43.82 in the 5000m-short-track. He is currently active on the international athletics circuit, representing Japan.
2026 season best42:32Feb 15, 2026 · Rokko Island Konan Univ. West side, Kobe
Last competitionJapanese Half Marathon Race Walking ChampionshipsFeb 15, 2026 · 42:32
As of Nov 7, 2026: 2026 season best 42:32 (Feb 15, 2026, Rokko Island Konan Univ. West side, Kobe (JPN)) · Last competition: Japanese Half Marathon Race Walking Championships, Feb 15, 2026, 42:32 · 18 years old
Personal bests
WA points calculator →DisciplineResultAll-time
3000m-short-trackIse 202511:58.20123 pts–
10KilometrKobe 202642:32–
5000m-short-trackOkinawa 202521:43.8254 pts–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 10Kilometr | 42:32 | – | Feb 15, 2026 | Japanese Half Marathon Race Walking Championships |
| 2025 | 3000m-short-track | 11:58.20 | – | Oct 17, 2025 | 19th JAAF U18 Athletics Competition, Prefectural Stadium, Ise |
| 2025 | 3Kilometre | 11:58.20 | – | Oct 18, 2025 | 19th JAAF U18 Athletics Competition, Prefectural Stadium, Ise |
| 2025 | 5000m-short-track | 21:43.82 | – | Oct 10, 2025 | All Kyushu High School Rookies' Meeting, Prefectural Stadium, Okinawa |
| 2025 | 20kmW | 21:43.82 | – | Oct 10, 2025 | All Kyushu High School Rookies' Meeting, Prefectural Stadium, Okinawa |