North American Championships - Miami, USA - July 24-26 1975
Quarterfinals (incomplete)
| 1975-07-24 | 48kg | Peterson Marie | PUR | Claudell Adkins | USA | PTS |
| 1975-07-24 | 54kg | Derrick Holmes | USA | Alejandro Silva | PUR | PTS |
| 1975-07-24 | 54kg | ??? | ??? | Tony Salvatore | CAN | ??? |
| 1975-07-24 | 57kg | Jose Lizano | COS | Carlos Gonzalez | ELS | DQ 2 |
| 1975-07-24 | 67kg | ??? | ??? | Leo Pelletier | CAN | ??? |
| 1975-07-24 | 75kg | Tommy Brooks | USA | Marciano Herrera | GUA | RSC 1 |
| 1975-07-24 | 81kg | Ernest Barr | BAH | Clive Arnold | GUA | AB 1 |
Semifinals
| 1975-07-25 | 48kg | Dennis Francisco Lizano | COS | Peterson Marie | PUR | PTS |
| 1975-07-25 | 48kg | Nestor Obregon | NIC | Milciades Alvarez | PAN | PTS |
| 1975-07-25 | 51kg | Ian Clyde | CAN | Sergio del Cid | PAN | PTS |
| 1975-07-25 | 51kg | Jose Morales | GUA | Dennis Edy Xutan | NIC | PTS |
| 1975-07-25 | 54kg | Derrick Holmes | USA | Bienvenido Vargas | PAN | PTS |
| 1975-07-25 | 57kg | Davey Armstrong | USA | Jose Lizano | COS | PTS |
| 1975-07-25 | 57kg | Chris Clarke | CAN | Clarence Robinson | JAM | PTS |
| 1975-07-25 | 60kg | Richie Lee Roberts | USA | Clive Ellis | JAM | PTS |
| 1975-07-25 | 63,5kg | Ray Leonard | USA | Manuel Billaruez | PAN | TKO 3 |
| 1975-07-25 | 63,5kg | Michel Briere | CAN | Hector Maldonado | GUA | PTS |
| 1975-07-25 | 67kg | Mike McCallum | JAM | Fernando de Leon | GUA | TKO |
| 1975-07-25 | 67kg | Clinton Jackson | USA | Walter Sawyer | BAH | TKO |
| 1975-07-25 | 75kg | Nathaniel Knowles | BAH | Pietro Contarini | CAN | PTS |
| 1975-07-25 | 75kg | Tommy Brooks | USA | Osborne Grinnan | JAM | TKO |
| 1975-07-25 | 81kg | Bryan Gibson | CAN | Woody Clark | USA | PTS |
| 1975-07-25 | 81kg | Ernest Barr | BAH | Auzaley Thompson | JAM | DQ |
Finals
| 1975-07-26 | 48kg | Dennis Francisco Lizano | COS | Nestor Obregon | NIC | PTS |
| 1975-07-26 | 51kg | Ian Clyde | CAN | Jose Morales | GUA | TKO 1 |
| 1975-07-26 | 54kg | Derrick Holmes | USA | Jorge Prendas | COS | PTS |
| 1975-07-26 | 57kg | Davey Armstrong | USA | Chris Clarke | CAN | PTS |
| 1975-07-26 | 60kg | Cleveland Denny | CAN | Richie Lee Roberts | USA | PTS |
| 1975-07-26 | 63,5kg | Ray Leonard | USA | Michel Briere | CAN | TKO 2 |
| 1975-07-26 | 67kg | Clinton Jackson | USA | Mike McCallum | JAM | TKO 1 |
| 1975-07-26 | 71kg | Chuck Walker | USA | Michael Prevost | CAN | PTS |
| 1975-07-26 | 75kg | Tommy Brooks | USA | Nathaniel Knowles | BAH | TKO 1 |
| 1975-07-26 | 81kg | Bryan Gibson | CAN | Ernest Barr | BAH | PTS |
| 1975-07-26 | +81kg | Mike Dokes | USA | Gilberto Acuna | COS | TKO 1 |