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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