400 m Individual Medley, Men
| Competition | 1984 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Fort Lauderdale, Florida
 USA
|
| Held | 16 August 1984 |
| Status | Medal |
| Competitors | 8 |
| Countries | 2 |
Fort Lauderdale, Florida / International Swimming Hall of Fame Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Rob Woodhouse |  AUS |
4:19.97 | * | |
| 🥈 | Jeff Kostoff Industry Hills Aquatic Club |
USA |
4:24.53 | ||
| 🥉 | Jerry Frentsos Cincinnati Pepsi Marlins |
USA |
4:26.68 | ||
| 4 | Christopher Hansen Arden Hills Swim Club |
USA |
4:27.64 | ||
| 5 | Bill Stapleton Sugar Creek |
USA |
4:28.30 | ||
| 6 | Matt Rankin Multnomah Athletic Club |
USA |
4:28.92 | ||
| 7 | Gary Long Anderson |
USA |
4:30.36 | ||
| 8 | Brian Tsuchiya Briarwood |
USA |
4:32.34 |