| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 2 | ANTHONY, SEAN | KEARSARGE | 58.19 | Kearsarge Home Meet # 2 4:00 |
| 3 | ERICKSON, QUINN | HILLSBORO-DEERING | 54.45 | Kearsarge Home Meet # 2 4:00 |
| 4 | BURKE-SMITH, TIARNAN | HILLSBORO-DEERING | 56.09 | |
| 5 | POIKONEN, AUSTIN | CONANT | 58.60 | Merrimack Valley Invitational |
| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | PAULING, EVAN | KEARSARGE | 54.44 | Souhegan Home Opener |
| 2 | JONES, RILEY | HILLSBORO-DEERING | 53.00 | |
| 3 | ESTEVEZ, EMILIO | SOMERSWORTH | 50.60 | Pinkerton v Spaulding v Salem v Somersworth |
| 4 | SIAGIAN, NICK | SOMERSWORTH | 52.56 | Belmont 4-13 |
| 5 | GEFFRARD, TYLER | TRINITY | 53.00 |
| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | ANTOW, RIO | SOMERSWORTH | 50.00 | |
| 2 | WALKER, WILLIAM | KEARSARGE | 46.59 | 2018 NHIAA Div III Outdoor Battlenotes & Entries |
| 3 | SUWU, JASON | SOMERSWORTH | 44.40 | Seacoast Championships |
| 4 | COTE, HUNTER | TRINITY | 46.50 | |
| 5 | BUCK, MICA | TRINITY | 49.00 |