| Competition | 1978 USA Swimming National Championships (Outdoor/LCM) | 
|---|---|
| Venue | 
The Woodlands, Texas
 | 
| Held | 5 August 1978 | 
| Status | Medal | 
| Competitors | 12 | 
| Countries | 1 | 
The Woodlands, Texas / The Woodlands Swim and Athletic Center Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Florida Aquatics Swim Team (FAST) | 3:23.85 | * | ||
| Rowdy Gaines | 51.25 | ||||
| David McCagg | 49.59 | ||||
| Keith Dickson | 50.95 | ||||
| David Larson | 52.06 | ||||
| 🥈 | DeAnza-Cupertino Aquatics | 3:28.25 | |||
| Paul Sims | 53.26 | ||||
| Chris Cavanaugh | 51.59 | ||||
| Kirk McGowan | 51.24 | ||||
| John Kingery | 52.16 | ||||
| 🥉 | Dutch Boy Swim Club | 3:28.62 | |||
| Kirt Fredericks | 52.83 | ||||
| Chuck Graves | 52.71 | ||||
| Scott Findorff | 52.15 | ||||
| Joe Bottom | 50.93 |