Kai Nonoyama

JapanJapanActive
Born
Dec 11, 2000 (25 years old)
Events
400 m

Kai Nonoyama is a Japan sprinter, born on December 11, 2000. He competes primarily in the 200m, 400m and 4x400m.

His personal bests include 22.37 in the 200m, 46.38 in the 400m, 3:11.81 in the 4x400m and 34.21 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m46.38
2026 season best47.83May 24, 2026 · Takebishi Stadium, Kyoto
2026 season best
Last competition70th Kansai Inter-Corporate Track & Field ChampionshipsMay 24, 2026 · 47.83
70th Kansai Inter-Corporate Track & Field Championships

As of Nov 13, 2026: 400 m 46.38, 2026 season best 47.83 (May 24, 2026, Takebishi Stadium, Kyoto (JPN)) · Last competition: 70th Kansai Inter-Corporate Track & Field Championships, May 24, 2026, 47.83 · 25 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
200mTottori 2021Japan 200 m all-time list22.37*875 pts–
400mKumagaya 2023Japan 400 m all-time list46.381,086 pts–
4x400mKumagaya 2025Japan 4 × 400 m all-time list3:11.81–
300mTottori 202234.21967 pts–

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026400m 47.83–May 24, 202670th Kansai Inter-Corporate Track & Field Championships
20264x400m 3:13.42–May 17, 202668th East Japan Corporate Athletics Championships
2025300m 34.93–Apr 13, 202579th Yoshioka Memorial Izumo Meet, Hamayama Park Athletic Field, Izumo
2025400m 46.86–Jul 4, 2025Japanese Championships, National Stadium, Tokyo
20254x400m 3:11.81–May 25, 202567th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya
2024400m 46.70–Sep 20, 202493rd Japan Inter-University Athletics Championships
2023400m 46.38–Sep 15, 202392nd Japan Inter-University Athletics Championships, Prefectural Stadium, Kumagaya
2022300m 34.21–Jul 17, 2022Athletic Stadium, Tottori (JPN)
FAQ

Frequently asked questions

Kai Nonoyama's 400 m personal best is 46.38, set on Sep 15, 2023 in Prefectural Stadium, Kumagaya (JPN).

Kai Nonoyama competes in the 400 m.

2026 season best: 47.83, set on May 24, 2026 in Takebishi Stadium, Kyoto (JPN). Last competition: 70th Kansai Inter-Corporate Track & Field Championships on May 24, 2026, 47.83.