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Ryouma YAMAKAMI
400mH
300m
 Japan
Born27 AUG 2009
Ryouma's code15254596
Personal bests
resultResult
56.04
dateDate
11 OCT 2025
scoreScore
850
competitionCompetition & venue
Prefectural Stadium, Okinawa (JPN)
resultResult
36.19
dateDate
02 AUG 2025
scoreScore
807
competitionCompetition & venue
Municipal Stadium, Oita (JPN)
* Not legal
Season’s bests (2025)
* Not legal
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