| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1581 | Olivia BAKER | 
                                         
                                        USA
                                     | 
                                    53.08 Q | 0.257 | 
| 2 | 1303 | Yana Glotova | 
                                         
                                        RUS
                                     | 
                                    53.39 Q | 0.215 | 
| 3 | 908 | Tiffany JAMES | 
                                         
                                        JAM
                                     | 
                                    54.06 | 0.181 | 
| 4 | 1509 | Kateryna KARPIUK | 
                                         
                                        UKR
                                     | 
                                    54.63 | 0.195 | 
| 5 | 1344 | Maja POGOREVC | 
                                         
                                        SLO
                                     | 
                                    54.64 | 0.233 | 
| 6 | 166 | Emily Lawson | 
                                         
                                        AUS
                                     | 
                                    55.33 | 0.195 | 
| 7 | 405 | Melissa Torres | 
                                         
                                        COL
                                     | 
                                    55.36 | 0.244 | 
| 8 | 1635 | Liliya Manasipova | 
                                         
                                        UZB
                                     | 
                                    56.72 | 0.314 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1580 | Kendall Baisden | 
                                         
                                        USA
                                     | 
                                    52.52 Q | 0.312 | 
| 2 | 727 | Laura MÜLLER | 
                                         
                                        GER
                                     | 
                                    53.64 Q | 0.177 | 
| 3 | 340 | Madeline PRICE | 
                                         
                                        CAN
                                     | 
                                    54.06 | 0.251 | 
| 4 | 1017 | Gunta VAIČULE | 
                                         
                                        LAT
                                     | 
                                    54.23 | 0.191 | 
| 5 | 870 | Ylenia Vitale | 
                                         
                                        ITA
                                     | 
                                    54.80 | 0.255 | 
| 6 | 905 | Yanique McNeil | 
                                         
                                        JAM
                                     | 
                                    54.98 | 0.181 | 
| 7 | 460 | Helena JIRANOVÁ | 
                                         
                                        CZE
                                     | 
                                    55.06 | 0.189 | 
| 8 | 1373 | Chelsea Zoller | 
                                         
                                        SUI
                                     | 
                                    55.47 | 0.232 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 432 | Gilda Casanova | 
                                         
                                        CUB
                                     | 
                                    52.45 Q | 0.193 | 
| 2 | 1125 | Edidiong Ofinome ODIONG | 
                                         
                                        NGR
                                     | 
                                    53.75 Q | 0.252 | 
| 3 | 333 | Christian Brennan | 
                                         
                                        CAN
                                     | 
                                    53.81 q | 0.219 | 
| 4 | 200 | Susanne GOGL-WALLI | 
                                         
                                        AUT
                                     | 
                                    53.94 q PB | 0.259 | 
| 5 | 726 | Ann-Kathrin Kopf | 
                                         
                                        GER
                                     | 
                                    53.95 | 0.188 | 
| 6 | 1197 | Adrianna Janowicz | 
                                         
                                        POL
                                     | 
                                    54.21 | 0.222 | 
| 7 | 1028 | Modesta Justė MORAUSKAITĖ | 
                                         
                                        LTU
                                     | 
                                    54.25 | 0.249 | 
| 8 | 1646 | María Simancas | 
                                         
                                        VEN
                                     | 
                                    57.10 | 0.360 |