| Date | 7 August 1948 — 16:40 |
|---|---|
| Location | Empire Stadium, Wembley, London |
| Pos | Lane | Competitors | NOC | Time (Hand) | Time (Automatic) | |||
|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Netherlands |  NED | 47.5 | 47.60 | |||
| Lead-Off | 694 | Xenia Stad-de Jong | – | – | ||||
| 2nd Leg | 814 | Nettie Witziers-Timmer | – | – | ||||
| 3rd Leg | 737 | Gerda van der Kade-Koudijs | – | – | ||||
| Anchor | 692 | Fanny Blankers-Koen | – | – | ||||
| 2 | 1 | Australia |  AUS | 47.6 | 47.69 | |||
| Lead-Off | 668 | Shirley Strickland | – | – | ||||
| 2nd Leg | 757 | June Maston | – | – | ||||
| 3rd Leg | 667 | Betty McKinnon | – | – | ||||
| Anchor | 666 | Joyce King | – | – | ||||
| 3 | 2 | Canada |  CAN | 47.8 | 48.08 | |||
| Lead-Off | 680 | Viola Myers | – | – | ||||
| 2nd Leg | 717 | Nancy Mackay | – | – | ||||
| 3rd Leg | 715 | Diane Foster | – | – | ||||
| Anchor | 679 | Pat Jones | – | – | ||||
| 4 | 3 | Great Britain |  GBR | 48.0 | 48.15 | |||
| Lead-Off | 691 | Dorothy Manley | – | – | ||||
| 2nd Leg | 813 | Muriel Pletts | – | – | ||||
| 3rd Leg | 722 | Margaret Walker | – | – | ||||
| Anchor | 735 | Maureen Gardner | – | – | ||||
| 5 | 6 | Denmark |  DEN | 48.2 | 48.23 | |||
| Lead-Off | 685 | Grethe Lovsø Nielsen | – | – | ||||
| 2nd Leg | 683 | Bente Bergendorff | – | – | ||||
| 3rd Leg | 684 | Birthe Nielsen | – | – | ||||
| Anchor | 812 | Hilde Nissen | – | – | ||||
| 6 | 4 | Austria |  AUT | 49.2 | 49.25 | |||
| Lead-Off | 711 | Grete Jenny | – | – | ||||
| 2nd Leg | 671 | Elfriede Steurer | – | – | ||||
| 3rd Leg | 670 | Grete Pavlousek | – | – | ||||
| Anchor | 669 | Maria Oberbreyer-Trösch | – | – |
