400 m Freestyle, Men
| Competition | 1956 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Cuyahoga Falls, OH; Tyler, TX
 USA
|
| Held | 29 July 1956 |
| Status | Medal |
| Competitors | 6 |
| Countries | 2 |
Cuyahoga Falls, Ohio / Waterworks Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | George Breen Buffalo Aquatic Club |
USA |
4:37.6 | ||
| 🥈 | Bill Woolsey Hawai'i Swim Club |
USA |
— | ||
| 🥉 | Ford Konno Cincinnati Coca-Cola Swim Club |
USA |
— | ||
| 4 | George Onekea Hawai'i Swim Club |
USA |
— | ||
| 5 | Frank Brunnell Philadelphia Aquatic Club |
USA |
— | ||
| 6 | Peter Duncan Santa Monica, CA |
 RSA |
— |