| MR | Merrimack Invitational Records | 49.38 | Noah Woodman | Pinkerton | 2018 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | FERULLO, Kyle | SR | Alvirne | 53.78 |
| 2 | LEBLANC, Alexander | SR | Pinkerton | 53.50 |
| 3 | ODONNELL, Keith | JR | Nashua South | 53.34 |
| 4 | SMITH, Zackary | SO | Pinkerton | 53.43 |
| 5 | THIBEAULT, Alex | SR | Nashua South | 53.70 |
| 6 | MADDOCK, Jeffrey | SO | Nashua North | 53.93 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 2 | PETERS, Carl | JR | Coe-Brown | 54.81 |
| 3 | SAFSTROM, Tyler | JR | Merrimack | 54.55 |
| 4 | BEHN, Carson | SO | Souhegan | 54.80 |
| 5 | SIMONE, Gavin | JR | Salem | 55.00 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 2 | BASOLI, Benjamin | SO | Merrimack | 55.60 |
| 3 | KLEIN, Ben | SR | Nashua North | 55.01 |
| 4 | KNIGHT, Keegan | SR | Exeter | 55.55 |