KH
Kouya Hayashi
Birth dateAug 24, 2008
Height-
Weight-
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.
Key facts
Last competition
Japanese Half Marathon Race Walking Championships
Feb 15, 2026 · 42:32
Age
18 years old
As of Sep 22, 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
PB
Personal bests
3000m-short-track
11:58.20
10Kilometr
42:32
5000m-short-track
21:43.82