| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1207 | Natalia KACZMAREK | 
                                         
                                        POL
                                     | 
                                    50.02 Q | 0.179 | 
| 2 | 552 | Cynthia BOLINGO | 
                                         
                                        BEL
                                     | 
                                    50.29 Q SB | 0.187 | 
| 3 | 1019 | Candice MCLEOD | 
                                         
                                        JAM
                                     | 
                                    50.37 Q | 0.191 | 
| 4 | 965 | Sharlene MAWDSLEY | 
                                         
                                        IRL
                                     | 
                                    51.17 q PB | 0.169 | 
| 5 | 1102 | Gunta VAIČULE | 
                                         
                                        LAT
                                     | 
                                    51.36 SB | 0.192 | 
| 6 | 992 | Alice MANGIONE | 
                                         
                                        ITA
                                     | 
                                    51.57 | 0.189 | 
| 7 | 1260 | Miranda Charlene COETZEE | 
                                         
                                        RSA
                                     | 
                                    52.30 | 0.184 | 
| 8 | 1360 | Kateryna KARPIUK | 
                                         
                                        UKR
                                     | 
                                    52.66 | 0.198 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 12.34 | 
                                             
                                            
                                                Miranda CharleneCOETZEE  | 
                                    
                                         
                                        RSA
                                     | 
                                
| 200 m | 23.74 | 
                                             
                                            
                                                NataliaKACZMAREK  | 
                                    
                                         
                                        POL
                                     | 
                                
| 300 m | 36.60 | 
                                             
                                            
                                                CandiceMCLEOD  | 
                                    
                                         
                                        JAM
                                     | 
                                
| POS | BIB | ATHLETE | COUNTRY | MARK | ms* | Reaction Time | 
|---|---|---|---|---|---|---|
| 1 | 1142 | Lieke KLAVER | 
                                         
                                        NED
                                     | 
                                    50.52 Q | 0.203 | |
| 2 | 861 | Ama PIPI | 
                                         
                                        GBR
                                     | 
                                    50.81 Q | .803 | 0.168 | 
| 3 | 1411 | Lynna IRBY-JACKSON | 
                                         
                                        USA
                                     | 
                                    50.81 Q | .805 | 0.187 | 
| 4 | 538 | Susanne GOGL-WALLI | 
                                         
                                        AUT
                                     | 
                                    51.00 q | 0.173 | |
| 5 | 661 | Evelis AGUILAR | 
                                         
                                        COL
                                     | 
                                    51.27 q PB | 0.163 | |
| 6 | 608 | Kyra CONSTANTINE | 
                                         
                                        CAN
                                     | 
                                    52.28 | 0.171 | |
| 7 | 716 | Nicole CAICEDO | 
                                         
                                        ECU
                                     | 
                                    52.82 | 0.227 | |
| 8 | 1133 | Janet RICHARD | 
                                         
                                        MLT
                                     | 
                                    54.50 | 0.172 | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 12.06 | 
                                             
                                            
                                                LynnaIRBY-JACKSON  | 
                                    
                                         
                                        USA
                                     | 
                                
| 200 m | 23.76 | 
                                             
                                            
                                                LiekeKLAVER  | 
                                    
                                         
                                        NED
                                     | 
                                
| 300 m | 36.57 | 
                                             
                                            
                                                LynnaIRBY-JACKSON  | 
                                    
                                         
                                        USA
                                     | 
                                
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 549 | Sada WILLIAMS | 
                                         
                                        BAR
                                     | 
                                    50.78 Q | 0.172 | 
| 2 | 1128 | Paola MORÁN | 
                                         
                                        MEX
                                     | 
                                    51.59 Q | 0.189 | 
| 3 | 1266 | Zenéy GELDENHUYS | 
                                         
                                        RSA
                                     | 
                                    51.76 Q | 0.215 | 
| 4 | 1235 | Cátia AZEVEDO | 
                                         
                                        POR
                                     | 
                                    51.93 | 0.191 | 
| 5 | 806 | Amandine BROSSIER | 
                                         
                                        FRA
                                     | 
                                    51.98 SB | 0.183 | 
| 6 | 1171 | Imaobong Nse UKO | 
                                         
                                        NGR
                                     | 
                                    52.24 | 0.206 | 
| 7 | 545 | Shaunae MILLER-UIBO | 
                                         
                                        BAH
                                     | 
                                    52.65 SB | 0.151 | 
| 8 | 1189 | Rosie ELLIOTT | 
                                         
                                        NZL
                                     | 
                                    52.88 | 0.167 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 12.00 | 
                                             
                                            
                                                SadaWILLIAMS  | 
                                    
                                         
                                        BAR
                                     | 
                                
| 200 m | 23.30 | 
                                             
                                            
                                                SadaWILLIAMS  | 
                                    
                                         
                                        BAR
                                     | 
                                
| 300 m | 35.97 | 
                                             
                                            
                                                SadaWILLIAMS  | 
                                    
                                         
                                        BAR
                                     | 
                                
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1023 | Nickisha PRYCE | 
                                         
                                        JAM
                                     | 
                                    50.38 Q | 0.210 | 
| 2 | 676 | Roxana GÓMEZ | 
                                         
                                        CUB
                                     | 
                                    50.86 Q | 0.207 | 
| 3 | 1251 | Gabby SCOTT | 
                                         
                                        PUR
                                     | 
                                    51.07 Q SB | 0.171 | 
| 4 | 638 | Martina WEIL | 
                                         
                                        CHI
                                     | 
                                    51.35 | 0.159 | 
| 5 | 613 | Grace KONRAD | 
                                         
                                        CAN
                                     | 
                                    51.60 PB | 0.193 | 
| 6 | 1309 | Giulia SENN | 
                                         
                                        SUI
                                     | 
                                    52.66 | 0.157 | 
| 7 | 943 | Fanni RAPAI | 
                                         
                                        HUN
                                     | 
                                    52.73 PB | 0.177 | 
| 8 | 1447 | Britton WILSON | 
                                         
                                        USA
                                     | 
                                    53.87 | 0.190 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 12.30 | 
                                             
                                            
                                                NickishaPRYCE  | 
                                    
                                         
                                        JAM
                                     | 
                                
| 200 m | 23.77 | 
                                             
                                            
                                                NickishaPRYCE  | 
                                    
                                         
                                        JAM
                                     | 
                                
| 300 m | 36.31 | 
                                             
                                            
                                                NickishaPRYCE  | 
                                    
                                         
                                        JAM
                                     | 
                                
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 959 | Rhasidat ADELEKE | 
                                         
                                        IRL
                                     | 
                                    50.80 Q | 0.163 | 
| 2 | 1255 | Andrea MIKLÓS | 
                                         
                                        ROU
                                     | 
                                    51.24 Q | 0.192 | 
| 3 | 694 | Tereza PETRŽILKOVÁ | 
                                         
                                        CZE
                                     | 
                                    51.30 Q | 0.152 | 
| 4 | 1180 | Henriette JÆGER | 
                                         
                                        NOR
                                     | 
                                    51.33 | 0.164 | 
| 5 | 921 | Aliyah ABRAMS | 
                                         
                                        GUY
                                     | 
                                    51.44 | 0.229 | 
| 6 | 557 | Helena PONETTE | 
                                         
                                        BEL
                                     | 
                                    51.52 PB | 0.212 | 
| 7 | 779 | Mette BAAS | 
                                         
                                        FIN
                                     | 
                                    52.74 | 0.135 | 
| 8 | 597 | Tabata VITORINO | 
                                         
                                        BRA
                                     | 
                                    54.15 | 0.181 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 12.45 | 
                                             
                                            
                                                AliyahABRAMS  | 
                                    
                                         
                                        GUY
                                     | 
                                
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 711 | Marileidy PAULINO | 
                                         
                                        DOM
                                     | 
                                    49.90 Q | 0.207 | 
| 2 | 858 | Victoria OHURUOGU | 
                                         
                                        GBR
                                     | 
                                    50.60 Q | 0.181 | 
| 3 | 1390 | Talitha DIGGS | 
                                         
                                        USA
                                     | 
                                    50.87 Q | 0.175 | 
| 4 | 698 | Lada VONDROVÁ | 
                                         
                                        CZE
                                     | 
                                    50.92 q PB | 0.232 | 
| 5 | 1112 | Modesta Justė MORAUSKAITĖ | 
                                         
                                        LTU
                                     | 
                                    51.06 q SB | 0.159 | 
| 6 | 1040 | Charokee YOUNG | 
                                         
                                        JAM
                                     | 
                                    51.24 q | 0.222 | 
| 7 | 586 | Tiffani MARINHO | 
                                         
                                        BRA
                                     | 
                                    53.12 | 0.184 | 
| 8 | 1270 | Marlie VILJOEN | 
                                         
                                        RSA
                                     | 
                                    53.73 | 0.189 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 12.34 | 
                                             
                                            
                                                TalithaDIGGS  | 
                                    
                                         
                                        USA
                                     | 
                                
| 200 m | 23.82 | 
                                             
                                            
                                                MarileidyPAULINO  | 
                                    
                                         
                                        DOM
                                     | 
                                
| 300 m | 36.16 | 
                                             
                                            
                                                MarileidyPAULINO  | 
                                    
                                         
                                        DOM
                                     |