RK
Ryo Kajiki

Ryo Kajiki

JPNJPNMen
Birth dateDec 8, 1995
BirthplaceTottori Prefecture, Japan
Height-
Weight-

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.

Key facts
400 m hurdles
48.92
#299 all-time
2026 season best
54.62
May 23, 2026 · Takebishi Stadium, Kyoto (JPN)
2026 season best
Last competition
70th Kansai Inter-Corporate Track & Field Championships
May 23, 2026 · 54.62
70th Kansai Inter-Corporate Track & Field Championships
Age
30 years old

As of Sep 14, 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

PB

Personal bests

11.19*
22.29
47.62
48.92
#299 all-time
3:06.15
33.37

* Wind-assisted (> 2.0 m/s)

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
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)
2019
400m
47.62-May 12, 2019
→
Osaka (JPN)
2019
400mH
48.92-Sep 22, 2019
↓
67th All Japan Corporate Team Championships, Yanmar Stadium Nagai, Osaka
2018
100m
11.19+2.2Mar 10, 2018-Okinawa (JPN)
2018
200m
22.29-0.5Apr 8, 2018-Kobe (JPN)
2018
300m
33.37-Oct 21, 2018-Itami (JPN)
2018
400m
48.50-Jul 6, 2018
→
Osaka (JPN)
2018
400mH
49.46-Jul 21, 2018
↓
Hiratsuka (JPN)
2017
400mH
49.33-Jun 23, 2017
↓
Osaka (JPN)
2016
400mH
50.71-Sep 3, 2016
↓
Kumagaya (JPN)
2015
400mH
50.94-Jun 13, 2015
↓
Hiratsuka (JPN)
2015
4x400m
3:06.15-May 16, 2015-Yokohama (JPN)

2026

1 performance
DisciplineResultWindDateCompetitions
400mH
54.62-May 2370th Kansai Inter-Corporate Track & Field Championships

2025

1 performance
DisciplineResultWindDateCompetitions
400mH
54.92-Jun 769th Kansai Inter-Corporate Track & Field Championships

2024

1 performance

2022

16 performances
DisciplineResultWindDateCompetitions
400mH
50.78-Oct 1077th National Sports Festival
400mH
50.78-Oct 977th National Sports Festival
400mH
53.03-Oct 2Athletics Challenge, Denka Big Swan Stadium, Niigata
400mH
53.03-Oct 1Athletics Challenge, Denka Big Swan Stadium, Niigata
400mH
50.49-Sep 2570th All Japan Corporate Team Championships, Nagaragawa Stadium, Gifu
400mH
50.49-Sep 2470th All Japan Corporate Team Championships, Nagaragawa Stadium, Gifu
400mH
50.56-Sep 2470th All Japan Corporate Team Championships, Nagaragawa Stadium, Gifu
400mH
51.82-Aug 27Fuji Hokuroku World Trials, Prefectural Stadium, Fujiyoshida
400mH
50.57-Jun 11106th Japan Championships, Yanmar Stadium Nagai, Osaka
400mH
50.57-Jun 10106th Japan Championships, Yanmar Stadium Nagai, Osaka
400m
48.50-May 1566th Kansai Business Group Championship, Naruto Sports Park, Tokushima
400m
49.19-May 1566th Kansai Business Group Championship, Naruto Sports Park, Tokushima
400mH
50.25-May 1466th Kansai Business Group Championship, Naruto Sports Park, Tokushima
400mH
50.45-May 3Shizuoka International Athletics Meet
400mH
50.51-Apr 30Kinami Michitaka Memorial Meet
400mH
51.49-Apr 171st Miyazaki Record Meeting, Municipal Stadium, Miyazaki

2021

11 performances
DisciplineResultWindDateCompetitions
400mH
51.54-Sep 2669th All Japan Corporate Team Championships, Yanmar Stadium Nagai, Osaka
400mH
51.94-Aug 2989th Kinki Ch., Konoike Athletics Stadium, Nara
400mH
50.16-Aug 2989th Kinki Ch., Konoike Athletics Stadium, Nara
400mH
50.17-Jul 1189th Hyogo Ch., Universiade Commemorative Stadium, Kobe
400mH
51.60-Jul 1189th Hyogo Ch., Universiade Commemorative Stadium, Kobe
400mH
50.67-Jun 25105th Japan Championships, Yanmar Stadium Nagai, Osaka
400mH
50.67-Jun 24105th Japan Championships, Yanmar Stadium Nagai, Osaka
400mH
50.33-Jun 6Denka Athletics Challenge Cup
400mH
50.16-Jun 1Michitaka Kinami Memorial Athletics Meet, Yanmar Stadium Nagai, Osaka
400mH
50.27-May 1565th Kansai Business Group Championships, Yanmar Stadium Nagai, Osaka
400mH
50.70-May 1565th Kansai Business Group Championships, Yanmar Stadium Nagai, Osaka

2020

5 performances
DisciplineResultWindDateCompetitions
400mH
51.29-Oct 2104th Japan Championships
400mH
51.29-Oct 1104th Japan Championships
400mH
51.25-Sep 2068th All Japan Corporate Teams Championships, Prefectural Stadium, Kumagaya
400mH
51.89-Sep 2068th All Japan Corporate Teams Championships, Prefectural Stadium, Kumagaya
400mH
51.51-Sep 6Fuji Hokuroku World Trial 2020, Prefectural Stadium, Fujiyoshida
Showing 1 - 50 of 116

Honours

No medals

FAQ

Frequently asked questions

What is Ryo Kajiki's 400 m hurdles personal best?

Ryo Kajiki's 400 m hurdles personal best is 48.92, set on Sep 22, 2019 in Yanmar Stadium Nagai, Osaka (JPN), #299 on the all-time list.

Which events does Ryo Kajiki compete in?

Ryo Kajiki competes in the 400 m hurdles.

How did Ryo Kajiki perform in 2026?

2026 season best: 54.62, set on May 23, 2026 in Takebishi Stadium, Kyoto (JPN). Last competition: 70th Kansai Inter-Corporate Track & Field Championships on May 23, 2026, 54.62.