Naoko Koizumi

Events
10 000 m
2021 season best34:56.50Jul 17, 2021
Last competitionHokuren Distance Challenge, Aoba Park Athletic Field, ChitoseJul 17, 2021 · 34:56.50

As of Nov 15, 2026: 2021 season best 34:56.50 (Jul 17, 2021) · Last competition: Hokuren Distance Challenge, Aoba Park Athletic Field, Chitose, Jul 17, 2021, 34:56.50

Personal bests

No personal bests

Progression

SeasonDisciplineResultWindDateCompetitions
202110000m 34:56.50–Jul 17, 2021Hokuren Distance Challenge, Aoba Park Athletic Field, Chitose