| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND | 
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 4132 | Dafne SCHIPPERS |  NED | 22.63 Q | +0.5 | |
| 2 | 1 | 4 | 3654 | Shaunae MILLER-UIBO |  BAH | 22.69 Q | -0.1 | |
| 3 | 1 | 6 | 3772 | Marie-Josée TA LOU-SMITH |  CIV | 22.70 Q | +0.1 | |
| 4 | 1 | 5 | 3880 | Dina ASHER-SMITH |  GBR | 22.73 Q SB | -0.4 | |
| 5 | 1 | 2 | 4327 | Kimberlyn Duncan |  USA | 22.74 Q | -0.6 | |
| 6 | 2 | 2 | 4234 | Mujinga KAMBUNDJI |  SUI | 22.86 Q | -0.6 | |
| 7 | 2 | 5 | 3725 | Crystal EMMANUEL-AHYE |  CAN | 22.87 Q | -0.4 | |
| 8 | 1 | 3 | 4373 | Deajah Stevens |  USA | 22.90 Q | +0.1 | |
| 9 | 2 | 4 | 4025 | Simone Facey |  JAM | 22.98 Q | .973 | -0.1 | 
| 9 | 2 | 1 | 3653 | TyNia GAITHER |  BAH | 22.98 Q | .973 | +0.5 | 
| 11 | 1 | 7 | 3930 | Rebekka HAASE |  GER | 22.99 Q | +0.5 | |
| 12 | 2 | 3 | 3713 | Ivet LALOVA-COLLIO |  BUL | 23.08 Q | +0.1 | |
| 13 | 2 | 6 | 4226 | Sarah ATCHO-JAQUIER |  SUI | 23.09 Q | +0.1 | |
| 14 | 3 | 1 | 3972 | Maria Belimpasaki |  GRE | 23.16 Q | +0.5 | |
| 15 | 3 | 6 | 3656 | Anthonique STRACHAN |  BAH | 23.23 Q | +0.1 | |
| 16 | 3 | 4 | 3708 | Edidiong Ofinome ODIONG |  BRN | 23.24 Q | -0.1 | |
| 17 | 3 | 2 | 3695 | Vitoria Cristina ROSA |  BRA | 23.26 Q | .252 | -0.6 | 
| 18 | 3 | 3 | 4026 | Shashalee FORBES |  JAM | 23.26 Q | .256 | +0.1 | 
| 19 | 4 | 1 | 3921 | Bianca WILLIAMS |  GBR | 23.30 q | +0.5 | |
| 20 | 2 | 7 | 3696 | Rosângela SANTOS |  BRA | 23.34 Q | +0.5 | |
| 21 | 4 | 2 | 4208 | Justine Palframan |  RSA | 23.35 q | -0.6 | |
| 22 | 5 | 1 | 4053 | Jodean WILLIAMS |  JAM | 23.38 q | +0.5 | |
| 23 | 4 | 3 | 3892 | Shannon Hylton |  GBR | 23.39 | +0.1 | |
| 24 | 4 | 4 | 4289 | Yana KACHUR |  UKR | 23.47 | -0.1 | |
| 25 | 6 | 1 | 4176 | Anna KIEŁBASIŃSKA |  POL | 23.48 | +0.5 | |
| 26 | 3 | 7 | 4264 | Semoy HACKETT |  TTO | 23.50 Q | +0.5 | |
| 27 | 4 | 7 | 4233 | Cornelia HALBHEER |  SUI | 23.51 | .505 | +0.5 | 
| 28 | 5 | 7 | 4012 | Gloria HOOPER |  ITA | 23.51 | .507 | +0.5 | 
| 29 | 4 | 6 | 4093 | Sindija Bukša |  LAT | 23.54 | +0.1 | |
| 30 | 5 | 4 | 3659 | Sada WILLIAMS |  BAR | 23.55 | -0.1 | |
| 31 | 6 | 7 | 3879 | Gina Mariam BASS BITTAYE |  GAM | 23.56 | +0.5 | |
| 32 | 5 | 2 | 4073 | Viktoriya Zyabkina |  KAZ | 23.66 | -0.6 | |
| 33 | 3 | 5 | 3872 | Estelle RAFFAI GOUANINDJI |  FRA | 23.72 Q | -0.4 | |
| 34 | 5 | 6 | 4017 | Irene SIRAGUSA |  ITA | 23.73 | +0.1 | |
| 35 | 6 | 4 | 4262 | Kayelle Clarke |  TTO | 23.75 | -0.1 | |
| 36 | 7 | 1 | 3618 | Riley DAY |  AUS | 23.77 | .764 | +0.5 | 
| 37 | 4 | 5 | 3965 | Janet AMPONSAH |  GHA | 23.77 | .770 | -0.4 | 
| 38 | 5 | 3 | 3822 | Estela GARCÍA |  ESP | 23.78 | +0.1 | |
| 39 | 6 | 2 | 4186 | Lorène Dorcas BAZOLO |  POR | 23.85 | -0.6 | |
| 40 | 6 | 3 | 3811 | Mariely Sánchez |  DOM | 23.89 | .884 | +0.1 | 
| 41 | 6 | 6 | 4390 | Isidora JIMÉNEZ |  CHI | 23.89 | .889 | +0.1 | 
| 42 | 7 | 4 | 4164 | Toea Wisil |  PNG | 23.93 | -0.1 | |
| 43 | 7 | 3 | 3630 | Ella Nelson |  AUS | 24.02 | +0.1 | |
| 44 | 5 | 5 | 4388 | Nediam Vargas |  VEN | 24.35 | -0.4 | |
| 45 | 7 | 2 | 3989 | Ulfa Silpiana |  INA | 25.23 | -0.6 | |
| 46 | 6 | 5 | 3978 | Regine TUGADE-WATSON |  GUM | 26.22 | -0.4 | |
| 5 | 4260 | Michelle-Lee AHYE |  TTO | DNS | ||||
| 6 | 3952 | Laura MÜLLER |  GER | DNS | ||||
| 7 | 4317 | Tori BOWIE |  USA | DNS | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second