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Riyu NISHIO
400mH
 Japan
Born05 APR 2006 (20)
Riyu's code15050305
World Ranking
#24318 Men's overall ranking
Personal bests
resultResult
52.54
dateDate
23 MAY 2026
scoreScore
1007
competitionCompetition & venue
Kanseki Stadium, Utsunomiya (JPN)
resultResult
49.68
dateDate
07 JUL 2024
scoreScore
877
competitionCompetition & venue
Nagaragawa Stadium, Gifu (JPN)
resultResult
11.30 *
dateDate
07 MAR 2026
scoreScore
783
resultResult
16.56
dateDate
29 OCT 2022
scoreScore
653
* Not legal
Season’s bests (2026)
* Not legal
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