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Women's 400 Meter Dash Final


Event Records
 Record TagTime Athlete Affiliation Date 
World 47.60 Marita Koch   GDR   October 6 1985 
American 48.70 Sanya Richards   Nike   September 17 2006 
Meet 49.28 Chandra Cheeseborough   Ath. West   June 19 1984 
OG A  51.55      

Advance 16 -- Top 3 + 4 on time to semis
Advance top 4 in each semi to final


 PlaceAthlete NameAffiliationTime     ReacTime 
 1Sanya Richards-Ross Nike49.28    0.232  
 2Dee Dee Trotter Saucony50.02      0.269  
 3Francena McCorory adidas50.43     0.259  
 4Diamond DixonKansas50.88     0.340  
 5Keshia BakerSaucony51.23     0.273  
 6Natasha HastingsUnder Armour51.28     0.200  
 7Jessica Beardadidas51.52     0.264  
 DVDebbie DunnNike