| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 887 | Susanna Kallur |  SWE | 12.64 Q | 0.160 | 
| 2 | 310 | Angela Whyte |  CAN | 12.65 Q | 0.130 | 
| 3 | 579 | Delloreen ENNIS |  JAM | 12.67 Q | 0.137 | 
| 4 | 976 | Lolo JONES |  USA | 12.68 Q | 0.155 | 
| 5 | 957 | Nichole Denby |  USA | 12.80 SB | 0.118 | 
| 6 | 581 | Lacena Golding-Clarke |  JAM | 12.85 SB | 0.134 | 
| 7 | 909 | Nevin Yanit |  TUR | 12.85 | 0.155 | 
| 8 | 527 | Flóra Redoúmi |  GRE | 12.88 SB | 0.148 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 986 | Michelle Perry |  USA | 12.55 Q | 0.137 | 
| 2 | 306 | Perdita Felicien |  CAN | 12.61 Q SB | 0.133 | 
| 3 | 578 | Vonette Dixon |  JAM | 12.65 Q PB | 0.202 | 
| 4 | 990 | Ginnie Crawford |  USA | 12.67 Q | 0.133 | 
| 5 | 213 | Sally PEARSON |  AUS | 12.82 | 0.124 | 
| 6 | 356 | Anay Tejeda |  CUB | 12.89 | 0.153 | 
| 7 | 448 | Adrianna Lamalle |  FRA | 12.93 | 0.164 | 
| 8 | 560 | Derval O'Rourke |  IRL | 12.98 | 0.129 |