| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 550 | Ebony Eutsey |
USA
|
53.99 Q | 0.201 |
| 2 | 12 | Afia Charles |
ANT
|
55.51 Q PB | 0.232 |
| 3 | 3 | Emmy Fraenk |
AHO
|
55.68 q PB | 0.214 |
| 4 | 461 | Trefasana White |
SKN
|
55.93 | 0.184 |
| 5 | 475 | Katarina Ilic |
SRB
|
56.17 | 0.239 |
| 6 | 372 | Kathi Ana Cuadra |
NCA
|
57.61 | 0.212 |
| 7 | 473 | Tamara Zupanic |
SLO
|
58.51 | 0.208 |
| 288 | Sandrae Farquharson |
JAM
|
DNF | 0.312 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 510 | Sandra Wagner |
SWE
|
54.60 Q | 0.221 |
| 2 | 545 | Michelle Brown |
USA
|
54.77 Q | 0.197 |
| 3 | 434 | Justine Palframan |
RSA
|
54.90 q | 0.165 |
| 4 | 62 | Katherine Reid |
CAN
|
56.11 | 0.240 |
| 5 | 516 | Abir Barkaoui |
TUN
|
57.13 | 0.242 |
| 6 | 577 | Sukoluhle Mlalazi |
ZIM
|
57.64 | 0.158 |
| 7 | 223 | Nickheila John |
GRN
|
1:00.99 | 0.218 |
| 32 | Rashan Brown |
BAH
|
DNF | 0.176 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 582 | Chizoba Okodogbe |
NGR
|
55.18 Q PB | 0.193 |
| 2 | 421 | Adelina Pastor |
ROU
|
55.18 Q | 0.167 |
| 3 | 285 | Chantal Duncan |
JAM
|
55.90 | 0.295 |
| 4 | 63 | Brittany Lewis |
CAN
|
55.99 | 0.188 |
| 5 | 33 | Katrina Seymour |
BAH
|
56.24 | 0.253 |
| 6 | 102 | Romana Tea Kirinic |
CRO
|
56.25 | 0.234 |
| 7 | 238 | Lilla Loránd |
HUN
|
56.57 | 0.169 |
| 8 | 476 | Marijela Markovic |
SRB
|
57.15 | 0.217 |