| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 2 | HUTCHINSON, TYLER | HOLLIS/BROOKLINE | 30.48 | Sanborn Regional High School --May 1, 2018 |
| 3 | HOULE, DOMINIC | HOLLIS/BROOKLINE | 28.50 | |
| 4 | LEE, TIM | CONANT | 29.30 | Merrimack Valley Invitational |
| 5 | BILIK, MICHAEL | MILFORD | 28.94 | John Stark vs. Milford, West |
| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | ARRUDA, ZACHARY | CONANT | 27.40 | Hollis Brookline vs. ConVal, Trinity, Conant & Mascenic |
| 2 | CLIFFORD, PATRICK | CAMPBELL | 26.90 | Merrimack Valley Invitational |
| 3 | HANRAHAN, SEAN | MILFORD | 26.34 | NH D-II Southern Cluster Meet |
| 4 | AUGER, CALEB | MILFORD | 26.76 | CBNA Home Meet #1 |
| 5 | MCDONALD, MAX | MILFORD | 27.34 | John Stark vs. Milford, West |
| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | ST. JEAN, JARROD | SANBORN REGIONAL | 26.09 | Sanborn Regional High School --May 8, 2018 |
| 2 | PARADIS, JACKSON | SANBORN REGIONAL | 25.31 | Sanborn Regional High School --May 8, 2018 |
| 3 | BAZZOCCHI, NATHAN | CAMPBELL | 23.80 | 5-8 Gilford |
| 4 | GARCIA, VICTOR | MILFORD | 24.27 | 16th Annual Black Bear Invitational |
| 5 | BARDANI, ROB | HOLLIS/BROOKLINE | 25.69 | Home Meet #1 |
| 6 | HART, RYAN | CAMPBELL | 26.09 | DougSargent FrSo Invitational 2018 |