Koudai Suezaki
- Born
- Jun 13, 2008 (18 years old)
- Events
- 300 Metres · 400 m
Koudai Suezaki is a Japan sprinter, born on June 13, 2008. He competes primarily in the 200m, 400m and 300m.
His personal bests include 22.04 in the 200m, 48.25 in the 400m and 33.82 in the 300m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 300 Metres33.82
2025 season best33.82Oct 19, 2025 · Prefectural Stadium, Ise
Personal best · 400 m48.25
Last competitionTokai High School Newcomers Track and Field ChampionshipsOct 26, 2025 · 22.12
As of Nov 13, 2026: 300 Metres 33.82, 400 m 48.25, 2025 season best 33.82 (Oct 19, 2025, Prefectural Stadium, Ise (JPN)) · Last competition: Tokai High School Newcomers Track and Field Championships, Oct 26, 2025, 22.12 · 18 years old
Personal bests
WA points calculator →DisciplineResultAll-time
300mIse 202533.821,000 pts–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 200m | 22.04 | +1.4 | Oct 26, 2025 | Tokai High School Newcomers Track and Field Championships |
| 2025 | 300m | 33.82 | – | Oct 19, 2025 | 19th JAAF U18 Athletics Competition, Prefectural Stadium, Ise |
| 2025 | 400m | 48.25 | – | Jun 20, 2025 | 78th National High School Track and Field Championships Tokai District Qualifiers, Prefectural Stadium, Ise |
| 2024 | 400m | 49.61 | – | Oct 26, 2024 | Tokai High School Newcomer Championship |