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Yuichiro KOZAI
Half Marathon
10,000m
5000m
Marathon
 Japan
Born08 OCT 2002 (23)
Yuichiro's code15010025
Personal bests
resultResult
1:06:13
dateDate
01 FEB 2026
scoreScore
949
competitionCompetition & venue
Marugame (JPN)
resultResult
31:20.94
dateDate
04 DEC 2021
scoreScore
843
competitionCompetition & venue
NITTAIDAI Athletic Stadium, Yokohama (JPN)
resultResult
14:58.40
dateDate
24 APR 2022
scoreScore
814
competitionCompetition & venue
NITTAIDAI Athletic Stadium, Yokohama (JPN)
resultResult
2:30:13
dateDate
14 DEC 2025
scoreScore
794
competitionCompetition & venue
Nara (JPN)
* Not legal
Season’s bests (2026)
* Not legal
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