| Event: | Women's 4 × 100 metres relay |
| Games: | 1948 Summer |
| Dates: | August 7 (heats & final) |
| Teams: | 11 |
| Nations: | 11 |
| Win Value: | 47.5 |
| Gold: | Xenia Stad-de Jong Netty Witziers-Timmer Gerda van der Kade-Koudijs Fanny Blankers-Koen |
| Goldnoc: | NED |
| Silver: | Shirley Strickland June Maston Betty McKinnon Joyce King |
| Silvernoc: | AUS |
| Bronze: | Viola Myers Nancy Mackay Diane Foster Patricia Jones |
| Bronzenoc: | CAN |
| Prev: | 1936 |
| Next: | 1952 |
The women's 4 × 100 metres relay event at the 1948 Olympic Games took place on August 7. The Dutch team won with a time of 47.5.[1]
Prior to the competition, the existing World and Olympic records were as follows.
| World record Olympic record | (Emmy Albus, Marie Dollinger, Ilse Dörffeldt, Käthe Krauß) | 46.4 | Berlin, Germany | 8 August 1936 |
All times are British Summer Time (UTC+1)
| Date | Time | Round | ||||
|---|---|---|---|---|---|---|
| Saturday, 7 August 1948 | 15:15 | Round 1 | ||||
| style=background:lemonchiffon | Saturday, 7 August 1948 | style=background:lemonchiffon | 16:40 | style=background:lemonchiffon | Final |
Round 1 took place on 7 August. The first two teams from each heat advanced to the final.
Heat 1
| width=15 | Rank | width=300 | Nation | width=700 | Competitors | width=15 | Time | width=15 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Diane Foster, Patricia Jones, Nancy Mackay, Viola Myers | 47.9 | Q | ||||||
| 2 | Joyce King, June Maston, Betty McKinnon, Shirley Strickland | 48.0 | Q | ||||||
| 3 | Rosine Faugouin, Jeanine Moussier, Liliane Sprécher, Jeanine Toulouse | 48.1 | |||||||
| 4 | Benedicta de Oliveira, Melânia Luz, Gertrudes Morg, Lucila Pini | 49.0 |
Heat 2
| width=15 | Rank | width=300 | Nation | width=700 | Competitors | width=15 | Time | width=15 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Maureen Gardner, Dorothy Manley, Muriel Pletts, Margaret Walker | 48.4 | Q | ||||||
| 2 | Grete Jenny, Maria Oberbreyer, Grete Pavlousek, Elfriede Steurer | 50.0 | Q | ||||||
| 3 | Marion Huber, Betty Kretschmer, Adriana Millard, Annegret Weller-Schneider | 51.5 | |||||||
| 4 | Mirella Avalle, Anna Maria Cantù, Marcella Jeandeau, Liliana Tagliaferri | DNF |
Heat 3
| width=15 | Rank | width=300 | Nation | width=700 | Competitors | width=15 | Time | width=15 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Fanny Blankers-Koen, Xenia Stad-de Jong, Gerda van der Kade-Koudijs, Netti Witziers-Timmer | 47.6 | Q | ||||||
| 2 | Bente Bergendorff, Grethe Lovsø Nielsen, Birthe Nielsen, Hilde Nissen | 48.1 | Q | ||||||
| 3 | Nell Jackson, Theresa Manuel, Mickey Patterson, Mabel Walker | 48.5 |
| width=15 | Rank | width=300 | Nation | width=700 | Competitors | width=15 | Time | width=15 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 47.5 | |||||||||
| Joyce King, June Maston, Betty McKinnon, Shirley Strickland | 47.6 | ||||||||
| Diane Foster, Patricia Jones, Nancy Mackay, Viola Myers | 47.8 | ||||||||
| 4 | Maureen Gardner, Dorothy Manley, Muriel Pletts, Margaret Walker | 48.0 | |||||||
| 5 | Bente Bergendorff, Grethe Lovsø Nielsen, Birthe Nielsen, Hilde Nissen | 48.2 | |||||||
| 6 | Grete Jenny, Maria Oberbreyer, Grete Pavlousek, Elfriede Steurer | 49.2 |
Wind: 0.2 m/s