Rikuto Seko

JapanJapan
Born
Aug 8, 2003 (23 years old)
Events
400 m · 300 Metres

Rikuto Seko is a Japan sprinter, born on August 8, 2003. He competes primarily in the 100m, 200m and 400m.

His personal bests include 11.19 in the 100m, 22.31 in the 200m, 47.56 in the 400m, 1:56.46 in the 800m and 3:06.99 in the 4x400m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m47.56
2025 season best48.77Aug 11, 2025 · Takebishi Stadium, Kyoto
2025 season best
Personal best · 300 Metres34.30
Last competitionThe 78th West-Japan Inter-Unversity Athletc ChampionshipsSep 13, 2025 · 3:14.45
The 78th West-Japan Inter-Unversity Athletc Championships

As of Nov 13, 2026: 400 m 47.56, 300 Metres 34.30, 2025 season best 48.77 (Aug 11, 2025, Takebishi Stadium, Kyoto (JPN)) · Last competition: The 78th West-Japan Inter-Unversity Athletc Championships, Sep 13, 2025, 3:14.45 · 23 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mMie 2021Japan 100 m all-time list11.19*831 pts–
200mIse 2020Japan 200 m all-time list22.31883 pts–
400mKyoto 2024Japan 400 m all-time list47.561,009 pts–
800mGifu 2021Japan 800 m all-time list1:56.46850 pts–
4x400mTokyo 2024Japan 4 × 400 m all-time list3:06.99–
300mOkinawa 202534.30959 pts–

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2025200m 22.56-1.9Aug 12, 20252025 the first ICAAK athletic games, Takebishi Stadium, Kyoto
2025300m 34.30–Mar 9, 202529th Spring Record Meeting
2025400m 48.77–Aug 11, 20252025 the first ICAAK athletic games, Takebishi Stadium, Kyoto
20254x400m 3:14.45–Sep 13, 2025The 78th West-Japan Inter-Unversity Athletc Championships
2024200m 22.57-0.8Aug 10, 20242024 1st ICAAK Athletics Games, Yanmar Stadium Nagai, Osaka
2024400m 47.56–May 22, 2024The 101st Kansai Inter University Track&Field Championships, Takebishi Stadium, Kyoto
20244x400m 3:06.99–Oct 6, 2024Japanese Relays Championships, National Stadium, Tokyo
2023400m 48.58–Oct 17, 2023Kansai Inter University Track & Field And 45th Combined Events Challenge Meeting
FAQ

Frequently asked questions

Rikuto Seko's 400 m personal best is 47.56, set on May 22, 2024 in Takebishi Stadium, Kyoto (JPN).

Rikuto Seko competes in the 400 m and 300 Metres.

2025 season best: 48.77, set on Aug 11, 2025 in Takebishi Stadium, Kyoto (JPN). Last competition: The 78th West-Japan Inter-Unversity Athletc Championships on Sep 13, 2025, 3:14.45.