400 m Freestyle, Men
| Competition | 1968 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Lincoln, Nebraska
 USA
|
| Held | 1 August 1968 |
| Status | Medal |
| Competitors | 8 |
| Countries | 3 |
Lincoln, Nebraska / Woods Memorial Park Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Ralph Hutton Foothill Aquatic Club |
 CAN |
4:06.5 | * | |
| 🥈 | Mike Burton Arden Hills Swim Club |
USA |
4:06.6 | ||
| 🥉 | Jack Nelson Unattached |
USA |
4:11.6 | ||
| 4 | Frank Lichtner Philadelphia Aquatic Club |
USA |
4:13.7 | ||
| 5 | John Kinsella Oak Park |
USA |
4:14.4 | ||
| 6 | Guillermo EchevarrÃa |  MEX |
4:15.1 | ||
| 7 | Greg Charlton Phillips 66, Long Beach, CA |
USA |
4:16.6 | ||
| 8 | Brent Berk Santa Clara Swim Club |
USA |
4:17.0 |