| Final Wind +1.9m/s | time | +time | L | t.a. | Y | | 1. Fanny Blankers-Koen |  NED | 11.2s | | 2 | 11.4 | 30 | | 2. Maureen Gardner |  GBR | 11.2s | +0.05 | 3 | | 19 | | 3. Shirley Strickland de la Hunty |  AUS | 11.4s | +0.10 | 6 | | 23 | | 4. Yvette Monginou |  FRA | 11.8?s | +0.59 | | | 21 | | 5. Maria Oberbreyer-Trösch |  AUT | 11.8?s | +0.64 | | | 26 | | 6. Libuše Lomská |  TCH | 11.9ests | +0.68 | | | 25 |
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| | Venue: Empire Stadium, Wembley. |
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| | | First 2 from each 2 semi-finals progress to Final. |
| Semi 1 | time | +time | t.a. | Y | | 1. Fanny Blankers-Koen | NED | 11.4s | | 11.5 | 30 | | 2. Maria Oberbreyer-Trösch | AUT | 11.9s | +0.57 | | 26 | | 3. Libuše Lomská | TCH | 12.0s | +0.64 | | 25 | | 4. Joan Upton | GBR | &s | +0.73 | | 25 | | 5. Jeanine Toulouse | FRA | &s | +0.75 | | 25 | | 6. Jean Walraven |  USA | &s | +1.49 | | 21 |
| Semi 2 | time | +time | t.a. | Y | | 1. Shirley Strickland de la Hunty | AUS | 11.7 | | 11.9 | 23 | | 2. Yvette Monginou | FRA | 11.8s | +0.08s | 11.8 | 21 | | 3. Maureen Gardner | GBR | 11.8s | +0.15s | 11.8 | 19 | | 4. Noemí Simonetto de Portela |  ARG | | +0.17s | | 22 | | 5. Gerda van der Kade-Koudijs | NED | | +0.23s | | 24 | | 6. Elfriede Steurer | AUT | | +0.65s | | 23 |
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| Heat 1 | time | | t.a. | Y | | 1. Fanny Blankers-Koen | NED | 11.3s | OR | 11.4 | 30 | | 2. Joan Upton | GBR | 11.8s | | | 25 | | 3. Jeanine Toulouse | FRA | 12.0s | | | 25 | | 4. Mirja Jämes |  FIN | | | | 23 | | 5. Marion Huber |  CHI | | | | | | 6. Theresa Manuel | USA | | | | 22 |
| Heat 2 | time | t.a. | Y | | 1. Maureen Gardner | GBR | 11.6s | 11.8 | 19 | | 2. Libuše Lomská | TCH | 11.8s | | 25 | | 3. Noemí Simonetto de Portela | ARG | 11.8s | | 22 | | 4. Janine Magnin-Lamouche | FRA | 11.9?s | | 27 | | 5. Domnitsa Lanitou-Kavounidou |  GRE | | | 34 |
| Heat 3 | time | t.a. | Y | | 1. Yvette Monginou | FRA | 11.7s | 11.8 | 21 | | 2. Shirley Strickland de la Hunty | AUS | 11.9s | | 23 | | 3. Maria Oberbreyer-Trösch | AUT | 11.9s | | 26 | | 4. Bernice Robinson | USA | | | 21 | | 5. Bertha Crowther | GBR | | | 26 |
| Heat 4 | time | t.a. | Y | | 1. Elfriede Steurer | AUT | 12.2s | 12.3 | 23 | | 2. Gerda van der Kade-Koudijs | NED | 12.2s | | 24 | | 3. Jean Walraven | USA | 12.6s | | 21 | | 4. Kyllikki Naukkarinen | FIN | | | 23 | | 5. Vinton Beckett |  JAM | | | 25 |
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