Ryo Kajihara
JapanActive- Born
- Apr 7, 2004 (22 years old)
- Events
- 400 m · 300 Metres
Ryo Kajihara is a Japan sprinter, born on April 7, 2004. He competes primarily in the 100m, 200m and 400m.
His personal bests include 11.21 in the 100m, 22.01 in the 200m, 47.17 in the 400m, 3:07.71 in the 4x400m and 33.85 in the 300m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m47.17
2026 season best47.91Jun 19, 2026 · Yanmar Stadium Nagai, Osaka
Personal best · 300 Metres33.85
Last competition95th Japan Inter-University Athletics ChampionshipsSep 5, 2026 · 47.92
As of Nov 13, 2026: 400 m 47.17, 300 Metres 33.85, 2026 season best 47.91 (Jun 19, 2026, Yanmar Stadium Nagai, Osaka (JPN)) · Last competition: 95th Japan Inter-University Athletics Championships, Sep 5, 2026, 47.92 · 22 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
300mFukuroi 202233.85997 pts–#249
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 300m | 34.43 | – | Mar 8, 2026 | Spring Track and Field Meet |
| 2026 | 400m | 47.91 | – | Jun 19, 2026 | The 79th West-Japan Inter-Unversity Track＆ Field Championships |
| 2026 | 4x400m | 3:07.71 | – | Jun 21, 2026 | The 79th West-Japan Inter-Unversity Track＆ Field Championships |
| 2025 | 300m | 35.18 | – | Mar 9, 2025 | 29th Spring Record Meeting |
| 2025 | 400m | 47.17 | – | Jun 27, 2025 | Osaka Athletics Championships |
| 2025 | 4x400m | 3:07.74 | – | Sep 14, 2025 | The 78th West-Japan Inter-Unversity Athletc Championships |
| 2024 | 200m | 22.01 | -0.8 | Jul 13, 2024 | Shizuoka Championship |
| 2024 | 400m | 47.72 | – | Nov 2, 2024 | Ecopa Track Games, Prefectural Shizuoka Stadium, Fukuroi |