| Final | time | | L | | 1. Stanisława Walasiewicz |  Poland | 11.9s | =WR | 6 | | 2. Hilda Strike |  Canada | 11.9s | =WR | 4 | | 3. Wilhelmina von Bremen |  United States | 12.0s | | 3 | | 4. Marie Dollinger |  Germany | 12.2s | | 5 | | 5. Eileen Hiscock |  Great Britain | 12.3s | | 7 | | 6. Elizabeth Wilde | United States | 12.3s | | 2 |
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| | | Venue: Los Angeles Memorial Coliseum 100,000. 20 competitors from 10 nations. |
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| | | First 3 from each Semi advanced to Final. |
| Semi 1 | time | | | 1. Hilda Strike | Canada | 12.4s | Q | | 2. Elizabeth Wilde | United States | 12.4s | Q | | 3. Marie Dollinger | Germany | 12.4s | Q | | 4. Tollien Schuurman |  Netherlands | 12.4s | | | 5. Sumiko Watanabe |  Japan | Unknown | | | 6. Thelma Kench |  New Zealand | Unknown | |
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| Semi 2 | time | | | 1. Stanisława Walasiewicz | Poland | 11.9s | Q, =WR | | 2. Wilhelmina von Bremen | United States | 12.1s | Q | | 3. Eileen Hiscock | Great Britain | 12.3s | Q | | 4. Mary Vandervliet | Canada | 12.3s | | | 5. Mary Frizzell | Canada | 12.3s | | | 6. Cornelia Aalten | Netherlands | 12.4s | |
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| Heat 1 | time | | | 1. Marie Dollinger | Germany | 12.2s | Q | | 2. Wilhelmina von Bremen | United States | 12.3s | Q | | 3. Hilda Strike | Canada | 12.3s | Q | | 4. Gwendoline Alice Porter | Great Britain | 12.4s | | | 5. Marjorie Clark |  South Africa | 12.5s | |
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| Heat 2 | time | | | 1. Stanisława Walasiewicz | Poland | 11.9s | Q | | 2. Mary Frizzell | Canada | 12.1s | Q | | 3. Sumiko Watanabe | Japan | 12.2s | Q | | 4. Elisabet du Mée | Netherlands | 12.3s | |
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| Heat 3 | time | | | 1. Tollien Schuurman | Netherlands | 12.2s | Q | | 2. Mary Vandervliet | Canada | 12.3s | Q | | 3. Eileen Hiscock | Great Britain | 12.3s | Q | | 4. Alice Eileen Wearne |  Australia | 12.5s | | | 5. Ethel Harrington | United States | 12.7s | | | 6. Taka Shibata | Japan | 12.7s | |
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| Heat 4 | time | | | 1. Elizabeth Wilde | United States | 12.4s | Q | | 2. Cornelia Aalten | Netherlands | 12.4s | Q | | 3. Thelma Kench | New Zealand | 12.4s | Q | | 4. Asa Dogura | Japan | 12.9s | | | 5. Ethel Johnson | Great Britain | 13.9s | |
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