Jann TREFNY
Decathlon
400m
 Switzerland
Born10 JAN 1966
Jann's code14387051
Personal bests
resultResult
7821
dateDate
07 JUL 1991
scoreScore
1099
competitionCompetition & venue
Helmond (NED)
resultResult
7850
dateDate
15 JUN 1991
scoreScore
1079
resultResult
48.06
dateDate
04 JUL 1987
scoreScore
977
competitionCompetition & venue
Basel (SUI)
resultResult
14.76
dateDate
19 JUN 1988
scoreScore
933
resultResult
14.71
dateDate
24 MAY 1987
scoreScore
923
* Not legal
Season’s bests (1991)
* Not legal
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