300 m Individual Medley, Men
| Competition | 1948 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Cuyahoga Falls, OH; San Diego, CA
 USA
|
| Held | 5 September 1948 |
| Status | Medal |
| Competitors | 6 |
| Countries | 1 |
Cuyahoga Falls, Ohio / Waterworks Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Joe Verdeur Brighton-Drake Swim Club, Atlantic City, NJ |
USA |
4:00.0 | ||
| 🥈 | Charles Moss, Jr. University of Michigan |
USA |
— | ||
| 🥉 | Ronnie Johnson St. Louis Downtown YMCA |
USA |
— | ||
| 4 | Roy Stickney Cincinnati Coca-Cola Swim Club |
USA |
— | ||
| 5 | Don DeForrest Brighton-Drake Swim Club, Atlantic City, NJ |
USA |
— | ||
| 6 | John McCarthy University of Michigan |
USA |
— |