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ATHLETE OVERVIEW
STATISTICS
Jann
TREFNY
Decathlon
400m
Switzerland
Born
10 JAN 1966
Jann's code
14387051
Personal bests
Decathlon
Result
7821
Date
07 JUL 1991
Score
1099
Competition & venue
Helmond (NED)
Decathlon
Result
7850
Date
15 JUN 1991
Score
1079
400 Metres
Result
48.06
Date
04 JUL 1987
Score
977
Competition & venue
Basel (SUI)
110 Metres Hurdles
Result
14.76
Date
19 JUN 1988
Score
933
110 Metres Hurdles
Result
14.71
Date
24 MAY 1987
Score
923
* Not legal
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Season’s bests (1991)
* Not legal
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