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Kosuke TOKUNAGA
400mH
110mH
 Japan
Born13 SEP 2005 (20)
Kosuke's code15112323
Personal bests
resultResult
56.41
dateDate
10 MAY 2025
scoreScore
834
competitionCompetition & venue
Gion Stadium, Sagamihara (JPN)
resultResult
15.46
dateDate
26 SEP 2025
scoreScore
818
resultResult
14.98
dateDate
20 AUG 2023
scoreScore
0
* Not legal
Season’s bests (2025)
* Not legal
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