Marina Arai

Born
Aug 10, 2009 (17 years old)
Events
400 m
2025 season best60.46Oct 17, 2025
Last competitionThe 30th Hokushinetsu High School Newcomer Track and Field ChampionshipsOct 17, 2025 · 60.46

As of Nov 15, 2026: 2025 season best 60.46 (Oct 17, 2025) · Last competition: The 30th Hokushinetsu High School Newcomer Track and Field Championships, Oct 17, 2025, 60.46 · 17 years old

Personal bests

No personal bests

Progression

SeasonDisciplineResultWindDateCompetitions
2025400m 60.46–Oct 17, 2025The 30th Hokushinetsu High School Newcomer Track and Field Championships