Riu Nagayama

Born
Sep 30, 2008 (18 years old)
Events
400 m · 300 Metres

Riu Nagayama is a Japan sprinter, born on September 30, 2008. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 12.87 in the 100m, 26.44 in the 200m, 58.41 in the 400m and 41.56 in the 300m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m58.41
2025 season best58.41Sep 20, 2025 · Kimiidera Park Athletic Field, Wakayama
Personal best · 300 Metres41.56
Last competition58th Kinki High School Rookies' ChampionshipsSep 20, 2025 · 58.76

As of Nov 14, 2026: 400 m 58.41, 300 Metres 41.56, 2025 season best 58.41 (Sep 20, 2025, Kimiidera Park Athletic Field, Wakayama (JPN)) · Last competition: 58th Kinki High School Rookies' Championships, Sep 20, 2025, 58.76 · 18 years old

DisciplineResultAll-time
100mHikone 2024Japan 100 m all-time list12.87*826 pts–
200mHikone 2025Japan 200 m all-time list26.44814 pts–
400mWakayama 2025Japan 400 m all-time list58.41891 pts–
300mHikone 202541.56879 pts–

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2025200m 26.44+0.3Jul 13, 2025Shiga Athletics Championships, Athletic Stadium, Hikone
2025300m 41.56–Aug 9, 20252025 Summer Games In Hikone
2025400m 58.41–Sep 20, 202558th Kinki High School Rookies' Championships
2024100m 12.87+2.3Aug 10, 20242024 Japan Games Selection Competition, Athletic Stadium, Hikone
2024400m 59.24–Sep 14, 2024Kinki High School Rookies' Championships
FAQ

Frequently asked questions

Riu Nagayama's 400 m personal best is 58.41, set on Sep 20, 2025 in Kimiidera Park Athletic Field, Wakayama (JPN).

Riu Nagayama competes in the 400 m and 300 Metres.

2025 season best: 58.41, set on Sep 20, 2025 in Kimiidera Park Athletic Field, Wakayama (JPN). Last competition: 58th Kinki High School Rookies' Championships on Sep 20, 2025, 58.76.