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Ryusei ISHIKAWA
400m
 Japan
Born02 FEB 2006 (20)
Ryusei's code15328849
Personal bests
resultResult
3:18.92
dateDate
23 MAY 2026
scoreScore
921
competitionCompetition & venue
Kanseki Stadium, Utsunomiya (JPN)
resultResult
49.51
dateDate
22 SEP 2026
scoreScore
887
competitionCompetition & venue
National Stadium, Tokyo (JPN)
* Not legal
Season’s bests (2026)
* Not legal
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