400 m Individual Medley, Men
| Competition | 1979 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Fort Lauderdale, Florida
 USA
|
| Held | 17 August 1979 |
| Status | Medal |
| Competitors | 8 |
| Countries | 2 |
Fort Lauderdale, Florida / International Swimming Hall of Fame Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Jesse Vassallo Mission Viejo Nadadores |
USA |
4:25.19 | ||
| 🥈 | John Simmons DeAnza-Cupertino Aquatics |
USA |
4:28.50 | ||
| 🥉 | Djan Madruga Mission Viejo Nadadores |
 BRA |
4:28.75 | ||
| 4 | Scot Matsuda Beach Swim Club |
USA |
4:29.11 | ||
| 5 | David Santos Concord-Pleasant Hill Swim Team |
USA |
4:29.99 | ||
| 6 | Brian Goodell Mission Viejo Nadadores |
USA |
4:30.27 | ||
| 7 | Jeff Float Arden Hills Swim Club |
USA |
4:31.34 | ||
| 8 | Kyle Miller Florida Aquatics Swim Team (FAST) |
USA |
4:31.80 |