400 m Freestyle, Men
| Competition | 1958 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Indianapolis, IN; Topeka, KS
 USA
|
| Held | 10 August 1958 |
| Status | Medal |
| Competitors | 6 |
| Countries | 2 |
Indianapolis, Indiana / Broad Ripple Park Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Murray Rose Los Angeles Athletic Club |
 AUS |
4:24.5 | * | |
| 🥈 | Harrison Merrill Atlanta Athletic Club |
USA |
4:39.6 | ||
| 🥉 | Alan Somers Indianapolis Aquatic Club |
USA |
4:40.9 | ||
| 4 | Gene Lenz Santa Maria Aquatic Club |
USA |
4:41.1 | ||
| 5 | George Breen Indianapolis Aquatic Club |
USA |
4:42.5 | ||
| 6 | Dennis Devine Los Angeles Athletic Club |
USA |
4:42.5 |