76.United States National Championships - High Point - April 14-16 1966
Semifinals
| 1966-04-16 | 51kg | Nickey Priola | Robert Jackson | PTS |
| 1966-04-16 | 51kg | Benny Gerolaga | Sam Goss | PTS |
| 1966-04-16 | 54kg | Charles Davis | Charles Spencer | PTS |
| 1966-04-16 | 54kg | Jose Marquez | Albert Robinson | PTS |
| 1966-04-16 | 57kg | Bob Lozada | Jimmy Trosclair | PTS |
| 1966-04-16 | 57kg | Rudy Bolds | Derrick Hill | PTS |
| 1966-04-16 | 60kg | Ronnie Harris | John Cromer | PTS |
| 1966-04-16 | 60kg | Renaldo Victoria | Ronald Miller | PTS |
| 1966-04-16 | 63,5kg | James Wallington | Lyle Randolph | PTS |
| 1966-04-16 | 63,5kg | Stanley Luster | Sixto Rivera | PTS |
| 1966-04-16 | 67kg | Jodie Harris | Hedgemon Lewis | PTS |
| 1966-04-16 | 67kg | Roland Pryor | Ed Donnelly | TKO 3 |
| 1966-04-16 | 71kg | John Howard jr | Arthurell Thomas | PTS |
| 1966-04-16 | 71kg | James Parks | Henry Castro | PTS |
| 1966-04-16 | 75kg | Doyle Baird | William Jenkins | PTS |
| 1966-04-16 | 75kg | Martino Berzewski | Alvin Hugley | PTS |
| 1966-04-16 | 81kg | Arthur Redden | Gene Romero | PTS |
| 1966-04-16 | 81kg | John Griffin | Paul Cardoza | PTS |
| 1966-04-16 | +81kg | Ken Norton | Roy Wallace | PTS |
| 1966-04-16 | +81kg | James Howard | Richard Pettigrew | PTS |
Finals
| 1966-04-16 | 51kg | Nickey Priola | Benny Gerolaga | PTS |
| 1966-04-16 | 54kg | Jose Marquez | Charles Davis | PTS |
| 1966-04-16 | 57kg | Bob Lozada | Rudy Bolds | PTS |
| 1966-04-16 | 60kg | Ronnie Harris | Renaldo Victoria | PTS |
| 1966-04-16 | 63,5kg | James Wallington | Stanley Luster | PTS |
| 1966-04-16 | 67kg | Roland Pryor | Jodie Harris | PTS |
| 1966-04-16 | 71kg | John Howard jr | James Parks | PTS |
| 1966-04-16 | 75kg | Martino Berzewski | Doyle Baird | PTS |
| 1966-04-16 | 81kg | John Griffin | Arthur Redden | PTS |
| 1966-04-16 | +81kg | James Howard | Ken Norton | PTS |