Kako Arai

JapanJapan
Born
Dec 4, 2003 (22 years old)
Events
100 m · 400 m

Kako Arai is a Japan sprinter, born on December 4, 2003. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 12.20 in the 100m, 25.35 in the 200m, 56.93 in the 400m, 46.76 in the 4x100m and 3:48.15 in the 4x400m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m12.20
2024 season best12.36May 9, 2024 · National Stadium, Tokyo
2024 season best
Personal best · 400 m56.93
Last competitionThe 103th Kanto Inter-University Track＆Field Championships, National Stadium, TokyoMay 11, 2024 · 3:50.14
The 103th Kanto Inter-University Track＆Field Championships, National Stadium, Tokyo

As of Nov 14, 2026: 100 m 12.20, 400 m 56.93, 2024 season best 12.36 (May 9, 2024, National Stadium, Tokyo (JPN)) · Last competition: The 103th Kanto Inter-University Track＆Field Championships, National Stadium, Tokyo, May 11, 2024, 3:50.14 · 22 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mSagamihara 2023Japan 100 m all-time list12.20*952 pts–
200mSagamihara 2024Japan 200 m all-time list25.35910 pts–
400mTama 2022Japan 400 m all-time list56.93943 pts–
4x100mSagamihara 2024Japan 4 × 100 m all-time list46.76–
4x400mKumagaya 2023Japan 4 × 400 m all-time list3:48.15–

* Wind-assisted (> 2.0 m/s)

Progression

FAQ

Frequently asked questions

Kako Arai's 100 m personal best is 12.20, set on May 11, 2023 in Gion Stadium, Sagamihara (JPN).

Kako Arai competes in the 100 m and 400 m.

2024 season best: 12.36, set on May 9, 2024 in National Stadium, Tokyo (JPN). Last competition: The 103th Kanto Inter-University Track＆Field Championships, National Stadium, Tokyo on May 11, 2024, 3:50.14.