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Sum LAM
400m
400mH
 Hong Kong, China
Born
Sum's code15152678
Personal bests
resultResult
49.73
dateDate
29 MAR 2025
scoreScore
874
competitionCompetition & venue
Wan Chai Sports Ground, Hong Kong (HKG)
resultResult
55.63
dateDate
11 MAY 2025
scoreScore
867
competitionCompetition & venue
Wan Chai Sports Ground, Hong Kong (HKG)
resultResult
1:58.81
dateDate
16 FEB 2025
scoreScore
790
competitionCompetition & venue
Tsueng Kwan O Sports Ground, Hong Kong (HKG)
* Not legal
Season’s bests (2025)
* Not legal
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