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1948 Summer Olympics London, United Kingdom Swimming |
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Click on Country to view all medals for this country during this Olympics
Click on Athlete to view all medals for this athlete
| Event | Athlete | Country | Result | Medal |
| 100m Freestyle Men | Walter Ris | USA | 57.3 | GOLD |
| Alan Ford | USA | 57.8 | SILVER | |
| Géza Kádas | HUN | 58.1 | BRONZE | |
| 400m Freestyle Men | William Smith | USA | 4:41.0 | GOLD |
| James McLane | USA | 4:43.4 | SILVER | |
| John Marshall | AUS | 4:47.4 | BRONZE | |
| 1500m Freestyle Men | James McLane | USA | 19:18.5 | GOLD |
| John Marshall | AUS | 19:31.3 | SILVER | |
| György Mitró | HUN | 19:43.2 | BRONZE | |
| 100m Backstroke Men | Allen Stack | USA | 1:06.4 | GOLD |
| Robert Cowell | USA | 1:06.5 | SILVER | |
| Georges Vallerey | FRA | 1:07.8 | BRONZE | |
| 200m Breaststroke Men | Joseph Verdeur | USA | 2:39.3 | GOLD |
| Keith Carter | USA | 2:40.2 | SILVER | |
| Bob Sohl | USA | 2:43.9 | BRONZE | |
| 4x200m Freestyle Relay Men | Wallace Wolf | USA | 8:46.0 | GOLD |
| William Smith | USA | 8:46.0 | GOLD | |
| Walter Ris | USA | 8:46.0 | GOLD | |
| James McLane | USA | 8:46.0 | GOLD | |
| György Mitró | HUN | 8:48.4 | SILVER | |
| Imre Nyéki | HUN | 8:48.4 | SILVER | |
| Géza Kádas | HUN | 8:48.4 | SILVER | |
| Elemér Szathmáry | HUN | 8:48.4 | SILVER | |
| Alexandre Jany | FRA | 9:08.0 | BRONZE | |
| Henri Padou | FRA | 9:08.0 | BRONZE | |
| René Cornu | FRA | 9:08.0 | BRONZE | |
| Joseph Bernardo | FRA | 9:08.0 | BRONZE | |
| 100m Freestyle Women | Greta Andersen | DEN | 1:06.3 | GOLD |
| Ann Curtis | USA | 1:06.5 | SILVER | |
| Marie-Louise Linssen-Vaessen | NED | 1:07.6 | BRONZE | |
| 400m Freestyle Women | Ann Curtis | USA | 5:17.8 | GOLD |
| Karen Harup | DEN | 5:21.2 | SILVER | |
| Catherine Gibson | GBR | 5:22.5 | BRONZE | |
| 100m Backstroke Women | Karen Harup | DEN | 1:14.4 | GOLD |
| Winona Zimmerman | USA | 1:16.0 | SILVER | |
| Judy Davies | AUS | 1:16.7 | BRONZE | |
| 200m Breaststroke Women | Nelly van Vliet | NED | 2:57.2 | GOLD |
| Beatrice Lyons | AUS | 2:57.7 | SILVER | |
| Éva Novák | HUN | 3:00.2 | BRONZE | |
| 4x100m Freestyle Relay Women | Brenda Helser | USA | 4:29.2 | GOLD |
| Thelma Kalama | USA | 4:29.2 | GOLD | |
| Marie Corridon | USA | 4:29.2 | GOLD | |
| Ann Curtis | USA | 4:29.2 | GOLD | |
| Greta Andersen | DEN | 4:29.6 | SILVER | |
| Fritze Carstensen-Nathansen | DEN | 4:29.6 | SILVER | |
| Karen Harup | DEN | 4:29.6 | SILVER | |
| Eva Riise-Arndt | DEN | 4:29.6 | SILVER | |
| Margot Marsman | NED | 4:31.6 | BRONZE | |
| Marie-Louise Linssen-Vaessen | NED | 4:31.6 | BRONZE | |
| Irma Heijting-Schuhmacher | NED | 4:31.6 | BRONZE | |
| Hanny Termeulen | NED | 4:31.6 | BRONZE |
