| Rose Bowl Regatta 2018 | Southern Cal | NOT ALLOWED Interconference | 2 Divisions | | Official | 2/28 |
| Women's Atlantic Coast Championship | Connecticut College | NOT ALLOWED Interconference | 2 Divisions | | Official | 2/18 |
| ICSA Match Race Nationals | Charleston | National Championship Finals | 1 Division | | Official | 1/10 |
| The Mike Horn Trophy | Harvard | NOT ALLOWED In-Conference | Team | | Official | 1/6 |
| Hap Moore Team Race | Connecticut College | NOT ALLOWED Two-Conference | Team | | Official | 2/8 |
| Laser Performance Women's Singlehanded Nationals | South Florida | National Championship Finals | Singlehanded | | Official | 1/18 |
| Laser Performance Men's Singlehanded Nationals | South Florida | National Championship Finals | Singlehanded | | Official | 5/18 |
| The 77th Professor Schell Trophy | MIT | Conference Championship | 2 Divisions | | Official | 9/18 |
| 2017 Victorian Urn Trophy | Harvard | Conference Championship | 2 Divisions | | Official | 2/16 |
| Nickerson Trophy 2017 | Tufts | NOT ALLOWED Interconference | 2 Divisions | | Official | 18/18 |
| Sherman Hoyt Trophy | Brown | NOT ALLOWED Interconference | 2 Divisions | | Official | 13/18 |
| Oberg Trophy | Northeastern | NOT ALLOWED In-Conference | 3 Divisions | | Official | 7/18 |
| Mrs. Hurst Bowl | Dartmouth | NOT ALLOWED Interconference | 2 Divisions | | Official | 4/16 |
| Central | Boston College | NOT ALLOWED In-Conference | 2 Divisions | | Pending | 4/16 |
| Franklin Lane Trophy | Tufts | NOT ALLOWED In-Conference | Team | | Official | 4/6 |
| Captain Hurst Bowl | Dartmouth | NOT ALLOWED Interconference | 3 Divisions | | Official | 6/18 |
| NEISA Match Race Championships | MIT | Conference Championship | 1 Division | | Official | 1/8 |
| Norman Reid Team Race | Boston College | NOT ALLOWED In-Conference | Team | | Official | 1/6 |
| Regis Bowl | Boston University | NOT ALLOWED In-Conference | 2 Divisions | | Official | 9/16 |
| 75th Danmark Trophy | Coast Guard | NOT ALLOWED Interconference | 2 Divisions | | Official | 5/20 |
| Hewitt Trophy | Dartmouth | NOT ALLOWED In-Conference | 3 Divisions | | Official | 6/15 |
| The George Warren Smith Trophy | MIT | NOT ALLOWED In-Conference | 2 Divisions | | Official | 1/18 |
| 35th Professor Stedman Hood Trophy | Tufts | NOT ALLOWED Interconference | 2 Divisions | | Official | 9/20 |
| St. Mary's Fall InterConference | St. Mary's | NOT ALLOWED Interconference | 2 Divisions | | Official | 6/18 |
| NEISA Women's Singlehanded Championship | Roger Williams | Conference Championship | Singlehanded | | Official | 5,7/17 |
| NEISA Men's Singlehanded Championship | Roger Williams | Conference Championship | Singlehanded | | Official | 2/27 |
| The Chris Loder Trophy | New Hampshire | NOT ALLOWED In-Conference | 2 Divisions | | Official | 5/15 |
| Hatch Brown Trophy | MIT | NOT ALLOWED Interconference | 3 Divisions | | Official | 2/20 |
| Stu Nelson | Connecticut College | NOT ALLOWED Interconference | 2 Divisions | | Official | 3/18 |
| Central Series | Boston College | NOT ALLOWED In-Conference | 2 Divisions | | Official | 7/17 |
| The Toni Deutsch MIT '58 Trophy | MIT | NOT ALLOWED In-Conference | 2 Divisions | | Official | 1/16 |
| 75th Pine Trophy | Coast Guard | NOT ALLOWED In-Conference | 1 Division | | Official | 3/8 |