| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 3 | 1381 | Tiffany JAMES |
JAM |
51.77 Q PB |
| 2 | 1 | 1 | 1655 | Lynna IRBY-JACKSON |
USA |
51.90 Q SB |
| 3 | 1 | 2 | 1006 | Jessica Thornton |
AUS |
52.12 Q PB |
| 4 | 2 | 2 | 1376 | Junelle BROMFIELD |
JAM |
52.18 Q |
| 5 | 2 | 1 | 1141 | Roxana GÓMEZ |
CUB |
52.26 Q PB |
| 6 | 3 | 2 | 1424 | Maureen Nyatichi THOMAS |
KEN |
52.52 q |
| 7 | 3 | 1 | 1622 | Dzhois Koba |
UKR |
52.79 q PB |
| 8 | 4 | 1 | 1264 | Hannah WILLIAMS |
GBR |
52.80 PB |
| 9 | 4 | 2 | 1680 | Karrington Winters |
USA |
53.04 PB |
| 10 | 2 | 3 | 1085 | Natassha MCDONALD |
CAN |
53.06 Q PB |
| 11 | 3 | 3 | 1445 | Paola MORÁN |
MEX |
53.08 |
| 12 | 5 | 1 | 1080 | Ashlan Best |
CAN |
53.27 PB |
| 13 | 4 | 3 | 1543 | Jeanelle Griesel |
RSA |
53.68 SB |
| 14 | 5 | 3 | 1276 | Hendrikje Richter |
GER |
53.85 |
| 15 | 6 | 1 | 1346 | Rebecca BORGA |
ITA |
53.93 |
| 16 | 5 | 2 | 1153 | Zdeňka SEIDLOVÁ |
CZE |
53.95 PB |
| 17 | 7 | 1 | 1278 | Hannah MERGENTHALER |
GER |
54.13 |
| 18 | 6 | 2 | 1506 | Natalia KACZMAREK |
POL |
54.32 |
| 19 | 6 | 3 | 1613 | Ivanna Avramchuk |
UKR |
54.64 |
| 20 | 7 | 3 | 1436 | Erika Kruminaité |
LTU |
54.87 SB |
| 21 | 7 | 2 | 1253 | Lily Beckford |
GBR |
54.88 |
| 22 | 8 | 3 | 1327 | Jenna Bromell |
IRL |
55.20 |
| 23 | 8 | 1 | 1431 | Vijona Kryeziu |
KOS |
55.95 |
| 2 | 1040 | Shaquania Dorsett |
BAH |
DNS |