Naofumi Oya
JapanActive- Born
- Jul 4, 1997 (29 years old)
- Events
- 400 m · 300 Metres
Naofumi Oya is a Japan sprinter, born on July 4, 1997. He competes primarily in the 100m, 200m and 400m.
His personal bests include 11.19 in the 100m, 21.13 in the 200m, 46.65 in the 400m, 3:10.44 in the 4x400m and 33.46 in the 300m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m46.65
2026 season best49.24May 16, 2026 · ND Soft Stadium, Tendo
Personal best · 300 Metres33.46
Last competition68th East Japan Corporate Athletics ChampionshipsMay 17, 2026 · 3:17.41
As of Oct 29, 2026: 400 m 46.65, 300 Metres 33.46, 2026 season best 49.24 (May 16, 2026, ND Soft Stadium, Tendo (JPN)) · Last competition: 68th East Japan Corporate Athletics Championships, May 17, 2026, 3:17.41 · 29 years old
Personal bests
WA points calculator →DisciplineResultAll-time
4x400mKumagaya 20253:10.44–
300mIse 202133.461,031 pts–
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 200m | 22.54 | -1.0 | May 17, 2026 | 68th East Japan Corporate Athletics Championships |
| 2026 | 400m | 49.24 | – | May 16, 2026 | 68th East Japan Corporate Athletics Championships |
| 2026 | 4x400m | 3:17.41 | – | May 17, 2026 | 68th East Japan Corporate Athletics Championships |
| 2025 | 200m | 21.91 | +0.7 | May 25, 2025 | 67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya |
| 2025 | 400m | 48.28 | – | May 24, 2025 | 67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya |
| 2025 | 4x400m | 3:10.44 | – | May 25, 2025 | 67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya |
| 2024 | 400m | 48.67 | – | Apr 6, 2024 | The 57th Tokyo Big 6, Keio Univ. Hiyoshi Athletics Field, Yokohama - Open Event |
| 2024 | 4x400m | 3:10.83 | – | Sep 23, 2024 | 72nd Japan Corporate Teams Athletics Championships, Ishin Me-Life Stadium, Yamaguchi |