| Final | time | +time | L | t.a. | Y |  | 1. Fanny Blankers-Koen |  NED | 11.9s |   | 3 | 12.2 | 30 |  | 2. Dorothy Manley |  GBR | 12.2s | +0.20 | 6 |   | 21 |  | 3. Shirley Strickland de la Hunty |  AUS | 12.2s | +0.39 | 4 |   | 23 |  | 4. Viola Myers |  CAN | 12.3?s | +0.43 | 5 |   |   |  | 5. Pat Jones |  CAN | 12.4?s | +0.49 | 1 |   | 17 |  | 6. Cynthia Thompson |  JAM | 12.6?s | +0.67 | 2 |   | 25 |   
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 |  | Venue: Empire Stadium, Wembley. |   
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 |   |  | First 2 from each 3 semi-finals progress to Final. |   
| Semi 1 | time | +time | t.a. | Y |  | 1. Fanny Blankers-Koen |  NED | 12.0s |   | 12.3 | 30 |  | 2. Shirley Strickland de la Hunty |  AUS | 12.4s | +0.33 |   | 23 |  | 3. Grethe Lovsø Nielsen |  DEN | 12.7s | +0.64 |   | 22 |  | 4. Doris Batter |  GBR |   | +0.66 |   | 19 |  | 5. Liliana Tagliaferri |  ITA |   | +0.69 |   | 19 |  | 6. Phyllis Lightbourn-Jones |  BER |   | +1.35 |   | 19 |   
| Semi 2 | time | +time | t.a. | Y |  | 1. Dorothy Manley |  GBR | 12.4s |   | 12.5 | 21 |  | 2. Pat Jones |  CAN | 12.6s | +0.11 |   | 17 |  | 3. Daphne Robb-Hasenjäger |  RSA | 12.7s | +0.16 |   | 19 |  | 4. Bente Bergendorff |  DEN |   | +0.32 |   | 19 |  | 5. Xenia Stad-de Jong |  NED |   | +0.33 |   | 26 |  | 6. Kathleen Russell |  JAM |   | +0.58 |   | 20 |   
| Semi 3 | time | +time | t.a. | Y |  | 1. Viola Myers |  CAN | 12.4s |   | 12.7 |   |  | 2. Cynthia Thompson |  JAM | 12.5s | +0.03 |   | 25 |  | 3. Olga Šicnerová |  TCH | 12.5s | +0.08 |   | 20 |  | 3. Birthe Nielsen |  DEN | 12.5s | +0.09 |   | 21 |  | 5. Winnie Jordan |  GBR |   | +0.82 |   | 28 |  | 6. Gré de Jongh |  NED |   | +1.00 |   | 23 |   
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| Heat 1 | time | t.a. | Y |  | 1. Fanny Blankers-Koen |  NED | 12.0s | 12.1 | 30 |  | 2. Viola Myers |  CAN | 12.5s |   |   |  | 3. Betty McKinnon |  AUS | 12.7s |   | 23 |  | 4. Maria Oberbreyer-Trösch |  AUT |   |   | 26 |   
| Heat 2 | time | t.a. | Y |  | 1. Shirley Strickland de la Hunty |  AUS | 12.4s | 12.6 | 23 |  | 2. Birthe Nielsen |  DEN | 12.9s |   | 21 |  | 3. Noemí Simonetto de Portela |  ARG | 13.1s |   | 22 |  | 4. Benedita de Oliveira |  BRA | 13.2? |   | 20 |  | 5. Tilly Decker |  LUX |   |   | 18 |   
| Heat 3 | time | t.a. | Y |  | 1. Grethe Lovsø Nielsen |  DEN | 12.6s | 12.7 | 22 |  | 2. Winnie Jordan |  GBR | 12.7s |   | 28 |  | 3. Mickey Patterson |  USA | 12.8s |   |   | 21 |  | 4. Joyce King |  AUS | 13.1?s |   |   | 27 |  | 5. Betty Kretschmer |  CHI |   |   |   | 20 |   
| Heat 4 | time | t.a. | Y |  | 1. Cynthia Thompson |  JAM | 12.4s | 12.6 | 25 |  | 2. Daphne Robb-Hasenjäger |  RSA | 12.4s |   | 19 |  | 3. Mabel Walker |  USA | 12.8s |   | 19 |  | 4. Millie Cheater |  CAN |   |   | 20 |   
| Heat 5 | time | t.a. | Y |  | 1. Doris Batter |  GBR | 12.6s | 12.7 | 19 |  | 2. Kathleen Russell |  JAM | 12.9s |   | 20 |  | 3. Lillian Young |  USA | 13.0s |   | 20 |  | 4. Elisabeth Müller |  BRA | 13.2? |   | 22 |   
| Heat 6 | time | t.a. | Y |  | 1. Dorothy Manley |  GBR | 12.1s | 12.3 | 21 |  | 2. Phyllis Lightbourn-Jones |  BER | 13.0s |   | 19 |  | 3. Marie-Thérèse Renard |  BEL | 13.6s |   | 23 |   
| Heat 7 | time | t.a. | Y |  | 1. Olga Šicnerová |  TCH | 12.4s | ---- | 20 |  | 2. Bente Bergendorff |  DEN | 12.6s |   | 19 |  | 3. Helena de Menezes |  BRA | 13.2s |   | 21 |  | 4. Teoman Üner |  TUR | 13.6?s |   |   |   
| Heat 8 | time | t.a. | Y |  | 1. Liliana Tagliaferri |  ITA | 12.8s | 13.0 | 19 |  | 2. Xenia Stad-de Jong |  NED | 12.9s |   | 26 |  | 3. Phyllis Edness |  BER | 13.6s |   | 18 |  | 4. Grete Pavlousek |  AUT |   |   | 24 |  | 5. Alma Butia |  YUG |   |   | 19 |   
| Heat 9 | time | t.a. | Y |  | 1. Pat Jones |  CAN | 12.7s | ---- | 17 |  | 2. Gré de Jongh |  NED | 12.9s |   | 23 |  | 3. Jeanine Moussier |  FRA | 12.9s |   | 18 |  | 4. Liv Paulsen |  NOR |   |   | 22 |   
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