400 m Freestyle, Men
| Competition | 1948 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Cuyahoga Falls, OH; San Diego, CA
 USA
|
| Held | 4 September 1948 |
| Status | Medal |
| Competitors | 6 |
| Countries | 2 |
Cuyahoga Falls, Ohio / Waterworks Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Jimmy McLane New Haven Swim Club |
USA |
4:53.5 | ||
| 🥈 | Jack Taylor Firestone Akron Swim Team |
USA |
— | ||
| 🥉 | Eddie Gilbert University of Texas |
USA |
— | ||
| 4 | Forbes Norris Harvard University |
USA |
— | ||
| 5 | Ted Stevens Cleveland University Circle YMCA |
USA |
— | ||
| 6 | Matt Mann, III University of Michigan |
 CAN |
— |