400 m Individual Medley, Men
| Competition | 1981 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Brown Deer, Wisconsin
 USA
|
| Held | 14 August 1981 |
| Status | Medal |
| Competitors | 8 |
| Countries | 2 |
Brown Deer, Wisconsin / Walter Schroeder Aquatic Center / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Jesse Vassallo Mission Viejo Nadadores |
USA |
4:20.33 | * | |
| 🥈 | Ricardo Prado Mission Viejo Nadadores |
 BRA |
4:22.06 | ||
| 🥉 | Jeff Float Arden Hills Swim Club |
USA |
4:25.14 | ||
| 4 | Chuck Bauman Georgetown University |
USA |
4:28.68 | ||
| 5 | Roger Von Jouanne Southern Illinois University |
USA |
4:30.21 | ||
| 6 | Carter Cast Cincinnati Pepsi Marlins |
USA |
4:30.62 | ||
| 7 | Ron Neugent Wichita Swim Club |
USA |
4:31.20 | ||
| 8 | Dennis Baker David Douglas Swim Club |
USA |
4:33.66 |