# Athletics at the 1928 Summer Olympics – Women's 100 metres

The women's 100 metres event at the 1928 Olympic Games took place between July 30 & July 31.

## Results
### Heats
#### Heat 1

| Rank | Athlete | Nation | Time | Notes |
| 1 | Anni Holdmann | Germany | 13.0 | Q |
| 2 | Edie Robinson | Australia | Unknown | Q |
| 3 | Derna Polazzo | Italy | Unknown | |

#### Heat 2

| Rank | Athlete | Nation | Time | Notes |
| 1 | Erna Steinberg | Germany | 12.8 | Q |
| 2 | Mary Washburn | United States | 12.8 | Q |
| 3 | Nettie Grooss | Netherlands | 12.8 | |
| 4 | Ruth Svedberg | Sweden | Unknown | |

#### Heat 3

| Rank | Athlete | Nation | Time | Notes |
| 1 | Kinue Hitomi | Japan | 12.8 | Q |
| 2 | Jane Bell | Canada | 13.0 | Q |
| 3 | Anne Vrana-O'Brien | United States | 13.1 | |
| 4 | Matilde Moraschi | Italy | 13.6 | |

#### Heat 4

| Rank | Athlete | Nation | Time | Notes |
| 1 | Leni Junker | Germany | 12.8 | Q |
| 2 | Elta Cartwright | United States | Unknown | Q |
| 3 | Yolande Plancke | France | Unknown | |

#### Heat 5

| Rank | Athlete | Nation | Time | Notes |
| 1 | Georgette Gagneux | France | 13.0 | Q |
| 2 | Maud Sundberg | Sweden | Unknown | Q |
| 3 | Luigia Bonfanti | Italy | Unknown | |

#### Heat 6

| Rank | Athlete | Nation | Time | Notes |
| 1 | Leni Schmidt | Germany | 12.8 | Q |
| 2 | Marjorie Clark | South Africa | 13.0 | Q |
| 3 | Lucienne Velu | France | 13.1 | |
| 4 | Rie Briejèr | Netherlands | 13.5 | |

#### Heat 7

| Rank | Athlete | Nation | Time | Notes |
| 1 | Bobbie Rosenfeld | Canada | 12.6 | Q |
| 2 | Betty Robinson | United States | Unknown | Q |
| 3 | Lies Aengenendt | Netherlands | 13.0 | |

#### Heat 8

| Rank | Athlete | Nation | Time | Notes |
| 1 | Myrtle Cook | Canada | 12.8 | Q |
| 2 | Norma Wilson | New Zealand | 13.0 | Q |
| 3 | Bets ter Horst | Netherlands | 13.0 | |

#### Heat 9

| Rank | Athlete | Nation | Time | Notes |
| 1 | Ethel Smith | Canada | 12.6 | Q |
| 2 | Marguerite Radideau | France | Unknown | Q |
| 3 | Zinaida Liepiņa | Latvia | Unknown | |
| 4 | Sidonie Verschueren | Belgium | Unknown | |

### Semifinals
#### Semifinal 1

| Rank | Athlete | Nation | Time | Notes |
| 1 | Bobbie Rosenfeld | Canada | 12.4 | Q, OR |
| 2 | Ethel Smith | Canada | Unknown | Q |
| 3 | Georgette Gagneux | France | Unknown | |
| 4 | Anni Holdmann | Germany | Unknown | |
| 5 | Mary Washburn | United States | Unknown | |
| 6 | Marjorie Clark | South Africa | Unknown | |

#### Semifinal 2

| Rank | Athlete | Nation | Time | Notes |
| 1 | Betty Robinson | United States | 12.4 | Q, =OR |
| 2 | Myrtle Cook | Canada | Unknown | Q |
| 3 | Edie Robinson | Australia | Unknown | |
| 4 | Kinue Hitomi | Japan | Unknown | |
| 5 | Leni Junker | Germany | Unknown | |
| 6 | Maud Sundberg | Sweden | Unknown | |

#### Semifinal 3

| Rank | Athlete | Nation | Time | Notes |
| 1 | Leni Schmidt | Germany | 12.8 | Q |
| 2 | Erna Steinberg | Germany | 12.9 | Q |
| 3 | Jane Bell | Canada | Unknown | |
| 4 | Elta Cartwright | United States | Unknown | |
| 5 | Norma Wilson | New Zealand | Unknown | |
| 6 | Marguerite Radideau | France | Unknown | |

### Final

| Rank | Athlete | Nation | Time | Notes |
| | Betty Robinson | United States | 12.2 | =WR |
| | Bobbie Rosenfeld | Canada | 12.3 | |
| | Ethel Smith | Canada | 12.3 | |
| 4 | Erna Steinberg | Germany | 12.4 | |
| – | Myrtle Cook | Canada | DQ | |
| – | Leni Schmidt | Germany | DQ | |