United States National Championships (AAU Tournament) - Boston - April 8-9 1912
Preliminaries
| 1912-04-08 | 47,6kg | Barney Snyder | John Higgins | PTS |
| 1912-04-08 | 47,6kg | Ed Glover | E.D.Sullivan | PTS |
| 1912-04-08 | 56,7kg | John Clarke | Dave Locke | PTS |
| 1912-04-08 | 61,2kg | Bill Coakley | Willie Jones | PTS |
| 1912-04-08 | 61,2kg | John Harvey | Tom Craven | TKO 1 |
| 1912-04-08 | 61,2kg | Joe White | John Schred | TKO 1 |
Quarter-Finals
| 1912-04-08 | 47,6kg | James Lynch | Jimmy Ford | PTS |
| 1912-04-08 | 47,6kg | Douglas Carnegie | Frank Brogan | PTS |
| 1912-04-08 | 47,6kg | Patsy Green | Artie Simons | PTS |
| 1912-04-08 | 47,6kg | Barney Snyder | Ed Glover | PTS |
| 1912-04-08 | 56,7kg | J.W.McDonald | Jerry McLaughlin | TKO 2 |
| 1912-04-08 | 56,7kg | Edward Desmond | Harry Marshall | TKO 1 |
| 1912-04-08 | 56,7kg | R.E.Williams | Charley Collins | PTS |
| 1912-04-08 | 56,7kg | John Cooper | John Clarke | PTS |
| 1912-04-08 | 61,2kg | Mike Sullivan | Charles Lawrence | TKO 2 |
| 1912-04-08 | 61,2kg | Al Wambgans | Harry McCaffrey | TKO 2 |
| 1912-04-08 | 61,2kg | Harry Rex | Bill Coakley | TKO 1 |
| 1912-04-08 | 61,2kg | Joe White | John Harvey | PTS |
| 1912-04-08 | 71,7kg | Dan McDonald | Fred Beckler | PTS |
Semi-Finals
| 1912-04-09 | 47,6kg | James Lynch | Douglas Carnegie | PTS |
| 1912-04-09 | 47,6kg | Patsy Green | Barney Snyder | PTS |
| 1912-04-09 | 52,2kg | Thomas Reagan | Jack Noonan | PTS |
| 1912-04-09 | 56,7kg | John Cooper | R.E.Williams | PTS |
| 1912-04-09 | 56,7kg | Edward Desmond | J.W.McDonald | PTS |
| 1912-04-09 | 61,2kg | Mike Sullivan | Joe White | PTS |
| 1912-04-09 | 61,2kg | Al Wambgans | Harry Rex | PTS |
| 1912-04-09 | 65,8kg | Charles Askins | George Gamble | DQ 2 |
| 1912-04-09 | 71,7kg | B.A.Lavelle | J.D.Rose | PTS |
| 1912-04-09 | 71,7kg | Arthur Sheridan | Dan McDonald | PTS |
Finals
| 1912-04-09 | 47,6kg | James Lynch | Patsy Green | PTS |
| 1912-04-09 | 52,2kg | Thomas Reagan | George Pritchard | PTS |
| 1912-04-09 | 56,7kg | John Cooper | Edward Desmond | PTS |
| 1912-04-09 | 61,2kg | Al Wambgans | Mike Sullivan | PTS |
| 1912-04-09 | 65,8kg | Charles Askins | W.P.Widdicombe | PTS |
| 1912-04-09 | 71,7kg | Arthur Sheridan | B.A.Lavelle | PTS |
| 1912-04-09 | +71,7kg | John Silverio | Thomas Kelly | AB 2 |