USA Championships Hayward Field - Eugene, OR June 23-26, 2011
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Women's 400 Meter Dash Senior (Semi-Final) 5:30pm


Event Records
 Record TagTime Athlete Affiliation Date 
World W47.60 Marita Koch   GDR   October 6 1985 
American A48.70 Sanya Richards  Nike  September 17 2006 

Preliminaries 16 Advance, Top 3 plus next 4 fastest times
Semis: 8 Advance Top 4 advance from each Semi
Advance top 4 from each semi-final to final
Heat 1

 Lane Bib Name Yr Affiliation
 10Ciara Short Cal-Fullerton
 20Monica Hargrove Under Armour
 30Jessica Beard adidas
 40Sanya Richards-Ross Nike
 50Francena McCorory adidas
 60Natasha Hastings unattached
 70Mary Wineberg New York Athletic Club (NYAC)
 80Aiesha Goggins East Carolina






Heat 2

 Lane Bib Name Yr Affiliation
 10Regina George Arkansas
 20Keshia Baker Saucony
 30DeeDee Trotter Saucony
 40Allyson Felix Nike
 50Debbie Dunn Nike
 60Joanna Atkins Auburn
 70Leslie Cole unattached
 80Jessica Cousins unattached



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