400 m Freestyle, Men
| Competition | 1983 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Clovis, California
 USA
|
| Held | 5 August 1983 |
| Status | Medal |
| Competitors | 8 |
| Countries | 2 |
Clovis, California / Clovis West High School / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Matt Cetlinski Florida Aquatics Swim Team (FAST) |
USA |
3:52.62 | ||
| 🥈 | Bruce Hayes UCLA Bruins Swimming |
USA |
3:52.99 | ||
| 🥉 | John Mykkanen Irvine Novaquatics |
USA |
3:53.69 | ||
| 4 | Mike O'Brien Mission Viejo Nadadores |
USA |
3:53.85 | ||
| 5 | Jeff Kostoff Industry Hills Aquatic Club |
USA |
3:54.88 | ||
| 6 | George DiCarlo Tucson Farmer John |
USA |
3:55.04 | ||
| 7 | Mike Davidson Mission Viejo Nadadores |
 NZL |
3:57.02 | ||
| 8 | Gary Brinkman Southern Illinois University |
USA |
3:57.35 |