August 13, 2013 The 14th IAAF World track and field championships in Moscow, Russia; Athletics - women's 400 meter hurdles semifinals (2 heats). First 3 in each heat advance to the final along with the next two fastest times.
Heat 1
1. Zuzana HEJNOVÁ (CZE) - 53.52 - Q
2. Dalilah MUHAMMAD (USA) - 54.08 - Q
3. Eilidh CHILD (GBR) - 54.32 - Q
4. Anna YAROSHCHUK (UKR) - 54.92 - q
5. Nickiesha WILSON (JAM) - 54.94 - q
6. Meghan BEESLEY (GBR) - 54.97
7. Irina DAVYDOVA (RUS) - 55.05
8. Christine SPENCE (USA) - 58.35
Heat 2:
1. Perri SHAKES-DRAYTON (GBR) - 53.92 - Q
2. Lashinda DEMUS (USA) - 54.22 - Q
3. Anna TITIMETS (UKR) 54.63 - Q
4. Denisa ROSOLOVÁ (CZE) - 55.14 -
5. Ristananna TRACEY (JAM) - 55.43
6. Natalya ANTYUKH (RUS) - 55.55
7. Lauren BODEN (AUS) - 55.75
8. Vania STAMBOLOVA (BUL) - 56.68
