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Kosuke YAMASHIRO
10,000m
Half Marathon
3000m
5000m
Marathon
 Japan
Born03 FEB 2002 (23)
Kosuke's code14966152
Personal bests
resultResult
29:32.60
dateDate
04 OCT 2025
scoreScore
994
competitionCompetition & venue
Athletics Stadium, Setagaya, Tokyo (JPN)
resultResult
1:05:32
dateDate
14 OCT 2023
scoreScore
974
competitionCompetition & venue
Showa Kinen Park, Tachikawa (JPN)
resultResult
8:27.80
dateDate
12 JUN 2021
scoreScore
899
competitionCompetition & venue
Athletics Stadium, Setagaya, Tokyo (JPN)
resultResult
14:33.29
dateDate
13 NOV 2022
scoreScore
892
competitionCompetition & venue
NITTAIDAI Athletic Stadium, Yokohama (JPN)
resultResult
2:26:39
dateDate
25 FEB 2024
scoreScore
849
competitionCompetition & venue
Osaka (JPN)
* Not legal
Season’s bests (2025)
* Not legal
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