400 m Individual Medley, Women
| Competition | 1964 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Los Altos, California
 USA
|
| Held | 31 July 1964 |
| Status | Medal |
| Competitors | 8 |
| Countries | 2 |
Los Altos, California / Foothill College Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Donna de Varona Santa Clara Swim Club |
USA |
5:17.7 | * | |
| 🥈 | Jana Haroun Santa Clara Swim Club |
USA |
5:24.2 | ||
| 🥉 | Sharon Finneran Santa Clara Swim Club |
USA |
5:26.1 | ||
| 4 | Joan Ferris Arden Hills Swim Club |
USA |
5:26.9 | ||
| 5 | Jeanne Hallock City of Commerce Swim Club |
USA |
5:27.2 | ||
| 6 | Carolyn House Los Angeles Athletic Club |
USA |
5:28.7 | ||
| 7 | Claudia Kolb Santa Clara Swim Club |
USA |
5:33.4 | ||
| 8 | Barbara Hounsell Circle City Aquatics |
 CAN |
5:35.7 |