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John FLACK
400m
400m sh
 Poland
Born28 AUG 2008 (18)
John's code15158165
Personal bests
resultResult
49.90
dateDate
11 JUL 2025
scoreScore
864
competitionCompetition & venue
Golęcin Stadion, Poznan (POL)
resultResult
49.90=
dateDate
11 JUL 2025
scoreScore
864
competitionCompetition & venue
Golęcin Stadion, Poznan (POL)
resultResult
51.40
dateDate
08 FEB 2025
scoreScore
836
competitionCompetition & venue
English Institute of Sport, Sheffield (GBR) (i)
resultResult
23.44
dateDate
17 JAN 2026
scoreScore
795
competitionCompetition & venue
Lee Valley Athletics Centre, London (GBR) (i)
resultResult
23.44
dateDate
17 JAN 2026
scoreScore
795
competitionCompetition & venue
Lee Valley Athletics Centre, London (GBR) (i)
* Not legal
Season’s bests (2026)
* Not legal
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