Ryo Kajiki
JapanActive- Born
- Dec 8, 1995 (30 years old)
- Birthplace
- Tottori Prefecture, Japan
- Events
- 400 m hurdles
Ryo Kajiki is a Japan sprinter, born on December 8, 1995 in Tottori Prefecture, Japan. He competes primarily in the 100m, 200m and 400m.
His personal bests include 11.19 in the 100m, 22.29 in the 200m, 47.62 in the 400m, 48.92 in the 400mH and 3:06.15 in the 4x400m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m hurdles48.92
2026 season best54.62May 23, 2026 · Takebishi Stadium, Kyoto
Last competition70th Kansai Inter-Corporate Track & Field ChampionshipsMay 23, 2026 · 54.62
As of Nov 4, 2026: 400 m hurdles 48.92 (#299 all-time), 2026 season best 54.62 (May 23, 2026, Takebishi Stadium, Kyoto (JPN)) · Last competition: 70th Kansai Inter-Corporate Track & Field Championships, May 23, 2026, 54.62 · 30 years old
Personal bests
WA points calculator →DisciplineResultAll-time
4x400mYokohama 20153:06.15–
300mItami 201833.371,039 pts–
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 400mH | 54.62 | – | May 23, 2026 | 70th Kansai Inter-Corporate Track & Field Championships |
| 2025 | 400mH | 54.92 | – | Jun 7, 2025 | 69th Kansai Inter-Corporate Track & Field Championships |
| 2024 | 400mH | 56.28 | – | Jun 1, 2024 | 68th Kansai Inter-Corporate Track & Field Championships, Yanmar Stadium Nagai, Osaka |
| 2023 | 400mH | 51.16 | – | May 13, 2023 | 67th Kansai Inter-Corporate Track & Field Championships |
| 2022 | 400m | 48.50 | – | May 15, 2022 | Naruto Sports Park, Tokushima (JPN) |
| 2022 | 400mH | 50.25 | – | May 14, 2022 | Naruto Sports Park, Tokushima (JPN) |
| 2021 | 400mH | 50.16 | – | Jun 1, 2021 | Michitaka Kinami Memorial Athletics Meet, Yanmar Stadium Nagai, Osaka |
| 2020 | 400mH | 51.25 | – | Sep 20, 2020 | Prefectural Stadium, Kumagaya (JPN) |