| MAY | 2-4 | RAYS v. COA Dual | Mason, OH | All RAYS groups |
| MAY | 11 | Milford Sprint Meet | Milford, OH | EX, D1, D2 |
| MAY | 16-18 | Marth McKee Charlotte Open | Charlotte, NC | Qualifiers - Futures Cuts |
| MAY | 16-18 | PCY Senior Spring Invite | Cincinnati, OH | 13&O RAYS not attending Martha McKee |
| MAY-JUNE | 30-1 | CAC Summer Classic | Oxford, OH | All RAYS not attending OVC |
| JUNE | 3-7 | USA Swimming National Championships | TBA | Qualifiers - Summer National Cuts |
| JUNE | 5-7 | Ohio Valley Championships | Louisville, KY | All athletes with OVC Qualifying times |
| JUNE | 12-13 | Open Water Zone | Pleasant Prairie, WI | Qualifiers - OW Zone Cuts |
| JUNE | TBD | Rolling Hills Championships | Fairfield, OH | EX, D1, D2 |
| JUNE | 19-22 | City of Mason June Invitational | Mason, OH | All Manta Rays |
| JUNE | 25 | OH Open Water Championshiops | Lake Snowden | |
| JUNE | TBD | Chris McCullough Invite | West Chester, OH | EX, D1, D2 |
| JULY | 11-12 | Senior Intrasquad | Mason, OH | S2, S3, HP |
| JULY | 11-13 | OH Regional Championships | Cincinnati, OH | |
| JULY | 17-20 | OH Junior Championships | Oxford, OH | Qualifiers - 2025 LC JC Cuts |
| JULY | 24-27 | OH Senior Championships | Oxford, OH | |
| JULY-AUG | 30-3 | Summer Junior Nationals | Irvine, CA | Qualifiers - Summer Jr Cuts |
| AUG | 7-10 | Central Zone Championships | Holland, MI | Qualifiers - Zone Cuts |
