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Jonathan Williams
Born: Aug 29, 1983
United States
400 m Hurdles
  Personal Best:   48.88  San Salvador  Jul 14, 2007 USA Top 10
Top 25 Lists Tournaments Records
Year Result Place Venue Date
2006 49.10 25 Los Angeles Jun 04
2007 48.88 20 San Salvador Jul 14
International
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National
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