First 4 in each heat (Q) and the next 4 fastest (q)

Heat 1 27 AUG 2011 20:05 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2011
1 166 Geisa Aparecida Coutinho BRA BRA 51.08 51.08
2 866 Pinar Saka TUR TUR 53.04i
3 503 Marta Milani ITA ITA 51.87 52.02
4 844 Sandrine Thiébaud-Kangni TOG TOG 52.50 57.94
5 935 Allyson Felix USA USA 49.70 49.81
6 412 Graciela Martins GBS GBS
7 479 Joanne Cuddihy IRL IRL 50.73 52.15
8 532 Novlene Williams-Mills JAM JAM 49.63 50.05

Heat 2 27 AUG 2011 20:14 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2011
1 662 Tjipekapora Herunga NAM NAM 52.32 52.32
2 485 Alaa Hikmat Al-Qaysi IRQ IRQ 54.68 54.68
3 910 Antonina Yefremova UKR UKR 50.69 50.69
4 461 Aliann Pompey GUY GUY 50.71 51.66
5 795 Ndeye Fatou Soumah SEN SEN 51.67 51.67
6 920 Jessica Beard USA USA 50.56 50.79i
7 760 Anastasiya Kapachinskaya RUS RUS 49.35 49.35

Heat 3 27 AUG 2011 20:23 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2011
1 1002 Racheal Nachula ZAM ZAM 51.39
2 194 Evodie-Lydie Saramandji CAF CAF 1:01.21
3 768 Antonina Krivoshapka RUS RUS 49.29 49.92
4 892 Nataliia Pygyda UKR UKR 51.38 51.43
5 397 Christine Ohuruogu GBR GBR 49.61 51.49
6 351 Fantu Magiso ETH ETH 52.09 52.09
7 275 Daisurami Bonne CUB CUB 51.81 52.04
8 529 Rosemarie Whyte JAM JAM 49.84 49.84

Heat 4 27 AUG 2011 20:32 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2011
1 332 Maris Mägi EST EST 52.21 52.21
2 163 Amantle Montsho BOT BOT 49.71 49.71
3 959 Francena McCorory USA USA 50.29 50.29
4 258 Norma González COL COL 51.58 51.58
5 395 Lee McConnell GBR GBR 50.82 51.01
6 648 Ambwene Simukonda MAW MAW 54.32 54.32
7 283 Aymeé Martínez CUB CUB 51.74 51.93

Heat 5 27 AUG 2011 20:41 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2011
1 407 Nicola Sanders GBR GBR 49.65 51.84
2 300 Denisa Rosolová CZE CZE 50.84 50.84
3 531 Shericka Williams JAM JAM 49.32 50.64
4 883 Kseniya Karandyuk UKR UKR 52.19 52.24
5 972 Sanya Richards-Ross USA USA 48.70 49.66
6 832 Moa Hjelmer SWE SWE 51.58 51.58
7 700 Betty Burua PNG PNG 54.33 54.79