400 m Freestyle, Men
| Competition | 1947 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Tyler, TX; Chicago, IL
 USA
|
| Held | 2 August 1947 |
| Status | Medal |
| Competitors | 5 |
| Countries | 2 |
Tyler, Texas / Fun Forest Park / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Jimmy McLane New Haven Swim Club |
USA |
4:41.9 | * | |
| 🥈 | Bill Smith The Ohio State University |
USA |
— | ||
| 🥉 | Charles Oda Hawai'i Swim Club |
USA |
— | ||
| 4 | Matt Mann, III University of Michigan |
 CAN |
— | ||
| 5 | Bunmei Nakama Hawai'i Swim Club |
USA |
— |