300 m Individual Medley, Women
| Competition | 1939 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Detroit, MI; Des Moines, IA
 USA
|
| Held | 28 July 1939 |
| Status | Medal |
| Competitors | 6 |
| Countries | 1 |
Des Moines, Iowa / Birdland Pool
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Doris Brennan Olneyville Boys' Club, RI |
USA |
4:32.3 | * | |
| 🥈 | Claudia Eckert Shawnee City Club, Chicago, IL |
USA |
at 9 ft | ||
| 🥉 | Helene Rains Women's Swimming Association, New York, NY |
USA |
— | ||
| 4 | Ann Hardin Lakeside Swim Club, Louisville, KY |
USA |
— | ||
| 5 | Dorothy Leonard Women's Swimming Association, New York, NY |
USA |
— | ||
| 6 | Ruth Howarth Whitinsville Community Association, Hopedale, MA |
USA |
— |